evaluate -x+y+6 for x=-3 and y=-1

Answers

Answer 1

-x + y + 6

-(-3) + (-1) + 6=

3 - 1 + 6=

2 + 6= 8

Answer 2

-x+y+6; x=-3 and y=-1
Sub in the numbers:
-(-3)+(-1)+6
Simplify:
3-1+6
Combine:
2+6
8 :)

Related Questions

The Changs updated their bedroom by purchasing a new lamp for $89.95 and a comforter set for $239.99. They paid 2007-03-04-00-00_files/i0120000.jpg% sales tax on their purchases. If the Changs paid $351.72 total, determine if they paid the correct amount. a. The Changs family paid $0.33 too much for their purchases. b. The Changs family paid $0.99 too much for their purchases. c. The Changs family paid $5.94 too much for their purchases. d. The Changs family paid the correct amount for their purchases

Answers

In order to determine the correct answer, we need to confirm it first by making the solution below:
Costs: $89.95 = New Lamp
$239.99 = Comforter
6 3/5% = Sales Tax (convert this to decimal and we get 6.6%)
$351.72 = Total amount the Chang's paid
Let's get the total costs first which is $329.94
6.6% of 329.94 is $21.78
The total cost with the tax would be $351.72.
Therefore, the Chang's paid the correct amount. The correct answer would be option D. The Chang's family paid the correct amount for their purchases.

In this exercise we will use the knowledge of finance to calculate the total value of the purchase, we have:

Letter D

First, let's organize the information given in the statement as:

$89.95 = New Lamp $239.99 = Comforter 6.6% = Sales Tax $351.72 = Total amount the Chang's paid

Taking the percentage over the total amount, we find:

[tex]6.6\% \ of \ 329.94\ is\ \$21.78\\Total= \$351.72[/tex]

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Bananas are $.59 a pound what is the constant of proportionality?

Answers

[tex]\bf \qquad \qquad \textit{direct proportional variation}\\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array}\\\\ -------------------------------[/tex]

[tex]\bf \begin{array}{ccll} \stackrel{\stackrel{x}{lbs}}{bananas}&\stackrel{\stackrel{y}{lbs}}{price}\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 1&0.59(1)\\ 2&0.59(3)\\ 3&0.59(2)\\ 4&0.59(4)\\ x&0.59(x)\\ \end{array}\implies y=\stackrel{k}{\boxed{0.59}}x[/tex]

What is .58 repeating as a fraction

Answers

0.58.. * 100 = 58.58.....
0.58... * 1 = 00.58..... Subtracting:-
0.58... * 99 = 58

answer is 58/99

State the most appropriate metric units to use to measure the width of an eyelash

Answers

Hmmm A millimeter would be too big for that .
I think millionths of a meter would be about right. Micrometers.

John had a roll containing 24 2/3 feet of wrapping paper. He wants to divide it into 11 pieces. First, though, he must cut off 5/6 foot because it was torn. How long will each piece be?

Answers

We are given a total size of 24 2/3 feet of wrapping paper. Convert this into fraction of denominator 6:

total paper = 24 2/3 = 74/3 = 148/6 feet

Subtract 5/6 foot:

remaining paper = 148/6 – 5/6 = 143/6 feet

Divide by 11:

each piece = (143/6) ft / 11 = 143/66 ft = 2.17 ft

Given

John had a roll containing of wrapping paper

[tex]=24\tfrac{2}{3}[/tex]

First, he must cut off 5/6 foot because it was torn.

He wants to divide it into 11 pieces.

To proof

As given in question

John had a roll containing of wrapping paper

[tex]=24\tfrac{2}{3}[/tex]

[tex]=\frac{74}{3}[/tex] ( solving the mixed fraction form)

First, though, he must cut off 5/6 foot

than we get

[tex]= \frac{74}{3} - \frac{5}{6}[/tex]

Taking the L.C.M of 3 and 6 is 6

[tex]=\frac{148-5}{6}[/tex]

[tex]=\frac{143}{6}[/tex]

=23.83 feet (approx)

He wants to divide it into 11 piece

length of the each piece

[tex]=\frac{23.83}{11}[/tex]

length of the each pieces be 2.16 feet ( approx)

Hence proved

When you subtract one negative integer from another,will your answer be greater than or less than the integer you started with.

Answers

It can be both because if you have -7 minus -4, it will be -11 because a negative plus a negative is always negative. If you have -6 plus 4, that will be -2 because if your negative number is greater than your positive number, it will still be a negative answer.

if you subtract a negative 5 and a negative 6, you get a bigger negative number that's -11, which in some ways, is a greater negative number.

But if you meant it to which would be bigger.. -11 ? 11

Would a -11 be bigger than a positive 11? not really.... a positive 11 is greater than -11

Any positive number is greater than a negative, so just by that it would be -11 < 11.

But yes, i guess it'd be greater? XD did this help out a little?

inverse of y=5x^2+10

Answers

to get the inverse of any expression, start off by doing a switcharoo on the variables.

[tex]\bf y=5x^2+10\qquad inverse\implies \boxed{x}=5\boxed{y}^2+10 \\\\\\ x-10=5y^2\implies \cfrac{x-10}{5}=y^2\implies \sqrt{\cfrac{x-10}{5}}=y\impliedby f^{-1}(x)[/tex]

The inverse of y = 5 x² + 10 is , y = √ ( ( x / 5 ) - 2 )

What is an Inverse Function?

An inverse function is a function that undoes the action of the another function. To find the inverse of a function, write the function y as a function of x i.e. y = f(x) and then solve for x as a function of y.

f⁻¹ ( x ) = y

Given data ,

y = 5 x² + 10

Now interchange the variable x and y , we get

x = 5 y² + 10

Subtract 10 from both sides , we get

x - 10 = 5 y²

Divide by 5 on both sides ,

( x / 5 ) - 2 = y²

Therefore , y = √ ( ( x / 5 ) - 2 )

Hence , the inverse f⁻¹ ( x ) = y = √ ( ( x / 5 ) - 2 )

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What number is 10 times greater than 5?

Answers

50 you multiply 5 and 10

Answer:

Step-by-step explanation:

IN order to find a number that is "x" times greater than another you have to multiply the number by the times greater, for example if you are trying to find a number that is 2 times greater than 8, you multiply 8 by 2=16 so 16 is 2 times greater than 8.

To find the number that is 10 times greater than 5 you just have to multiply 5*10, as the result will be 50, so that would be the answer.

the probability of an engine's failing during a 30 day acceptance test is 0.3 under adverse environmental conditions. Eight engines are included in such a test. What is the probability of the following?

a) None will fail

b)All will fail

Answers

This is an example of binomial probability (pass/fail), with n=8 and p(failure)=0.3.

The probability that none will fail is binompdf(8,0.3,0) = 0.0576.
The prob. that all will fail is found by subtracting this result from 1.0000, and is 1.0000-0.0576=0.9424. "All" is the "complement" of "None."

I used my TI-83 Plus calculator's probability distribution functions to calculate the probability that none will fail.

A money box contains only 10-cent and 20-cent coins. There are 27 coins with a total value of $3.60. How many coins of each? No. of 10-cent coins = No. of 20-cent coins =

Answers

No of 20 cents bc that is bigger

Answer:

18, 20 cent and 36, 10 cent

Step-by-step explanation:

Brad Hamilton's annual salary as an accounting clerk is $32,500. What is his weekly salary?

Answers

$32,500 / 52 = $625

answer
weekly =$625

Brad Hamilton's weekly salary as an accounting clerk is $625.

What is an expression?

An expression is a number, or a variable, or a combination of numbers and variables and operation symbols.

Now it is given that,

Brad Hamilton's annual salary as an accounting clerk is $32,500

So number of weeks in an year = 52

So, Brad Hamilton's weekly salary as an accounting clerk

= Brad Hamilton's annual salary / number of weeks

⇒ Brad Hamilton's weekly salary = $32,500/52

⇒ Brad Hamilton's weekly salary = $625

Thus, Brad Hamilton's weekly salary as an accounting clerk is $625.

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If Dave drives at a steady speed of 50 mph, how long will it take him to drive 10 miles?

Answers

50 miles = 1 hour
10 miles = 1/50 x 10
= 1/5 hours
= 12 minutes

It will take him 12 minutes to drive 10 miles.

Simplify b^4c^3d^4/b^3d^3

Answers

[tex]\bf \left.\qquad \qquad \right.\textit{negative exponents}\\\\ a^{-{ n}} \implies \cfrac{1}{a^{ n}} \qquad \qquad \cfrac{1}{a^{ n}}\implies a^{-{ n}} \qquad \qquad a^{{{ n}}}\implies \cfrac{1}{a^{-{{ n}}}}\\\\ -------------------------------\\\\ \cfrac{b^4c^3d^4}{b^3d^3}\implies b^4c^3d^4b^{-3}d^{-3}\implies b^4b^{-3}c^3d^4d^{-3}\implies b^{4-3}c^3d^{4-3} \\\\\\ b^1c^3d^1\implies bc^3d[/tex]

Two cars leave the same location traveling in opposite directions. One car leaves at 3:00 p.m. traveling at an average rate of 55 miles per hour. The other car leaves at 4:00 p.m. traveling at an average rate of 75 miles per hour. Let x represent the number of hours after the first car leaves. How many hours after the first car leaves will the two cars be 380 miles apart?

Answers

Let the first car travel east (to the right) and the second car west (to the left). Call the distances traveled e and w respectively.

The first car starts out an hour before the second car (that is, at hour 0), traveling at 55 mph. During the first hour, this car travels 55 miles east. A general equation for the distance traveled from the starting point as a function of x (time) is e=(55 mph)(1 hour) + (55mph)x

The other car starts out at time = 1 hour, at 75 mph. A general equation for the distance traveled from the same starting point as a function of x is then w = (75 mph)x.

We want to know when the total distance traveled in opposite directions by the two cars is e + w = (55 miles) + (55 mph)x + (75 mph)x = 380 mi

Solve for x. 55 miles + (55+75)(mph)x = 380 miles
(130 mph)x = 325 miles
Divide both sides by (130 mph):

(130 mph) x 325 miles
------------------ = -------------------- = 2.5 hours (answer)
(130 mph) 13 mph

Stephen lent his friend $100 at a simple annual interest rate of 6%. How much interest will Stephen earn at the end of 3 years?

Answers

I'm pretty sure it's 18.. sorry if it's wrong

$100*.06*3
1. multiply 100*.06=$6
2. then multiply $6*3=$18

Two mechanics worked on a car. The first mechanic worked for 10 hours, and the second mechanic worked for 15 hours. Together they charged a total of $2075 . What was the rate charged per hour by each mechanic if the sum of the two rates was $160 per hour?

Answers

If the first mechanic charged x dollars per hour and the second charged y dollars per hour, we have x+y=160 and 10x+15y=2075 due to that we add x or y for every hour spent.

x+y=160
10x+15y=2075
Multiplying the first equation by -10 and adding it to the second, we get 5y=2075-1600=475. Dividing both sides by 5, we get y=95. For the first mechanic, we can plug 95 for y into the first equation to get x+95=160. Next, we can subtract 95 from both sides to get x=65

May I Please get help?

Answers

5 inches by 7 inches.

To find the area of a parallelogram, you can just do base * height. In this case, all other options, once multiplied, equal 36 square inches, it's only 5 * 7 that equals 35 square inches.

what's the answer for 41

Answers

Pick any negative integer you want for x. Let's say we pick x = -10. Replace x with this value. So replace x with -10

x - y = -1
-10 - y = -1

Now isolate y. We do this in two steps. First we add 10 to both sides. Then we multiply both sides by -1

-10 - y = -1
-10 - y + 10 = -1+10
-y = 9
-1*(-y) = -1*(9)
y = -9

So one ordered pair is (x,y) = (-10,-9). There are infinitely many of these ordered pairs. Another ordered pair is (-11,-10) which is found following the same steps as shown above. The only thing that matter is that x-y is equal to -1. There are infinitely many ways to subtract two values to get -1.

c=2[tex]c=2(pi) r;r[/tex]

Answers

[tex]\bf A=\cfrac{1}{2}bh\implies A=\cfrac{bh}{2}\implies 2A=bh\implies \cfrac{2A}{b}=h[/tex]

12 people fit comfortably in a 4 feet by 6 feet area. Use this value to estimate the side of a crowd that is 15 feet deep on one side of the street along a 4 mile section of a parade route

Answers

4 x 6 = 24 square feet

24/12 = 2

so 1 person for every 2 square feet

1 mile - 5280 feet

4 x 5280 = 21120

21120 x 15 = 316800 square feet

316800/2 = 158,400 people

McDonald's has about 210,000 managers and each makes on average 39,000 dollars per year. How much money does McDonald's spend on managers each year?

Answers

210,000
x39,000
-------------
8,190,000,000

McDonald spends $8,190,000,000 each year on its managers

hope this helps

What is the value of four in the number 3,492 and 704

Answers

The value of 4 in 3,492 is 400...The value of 4 in 704 is 4 ones...

It's in the 100 place so the value of the 4 in 3,492 is 100 times the value of 4 in 704 . This is because 4 in 704 is for the ones place value and 4 in 3,492 is for the hundreds place value

is 84/45 a irrational repeating decimal or just a irrational one

Answers

A rational number is a number that can be expressed as the ratio of two integers. It's general form is [tex]\frac{a}{b}[/tex] where a and b are integers and b does not equal 0.

Since [tex]\frac{84}{45}[/tex] is a ratio of two integers, it is a rational number.

a pro-evolution advocate wants to estimate the percentage of people who favor teaching only evolution in schools. She conducts a nationwide survey of 1980 randomly selected adults 18 years and older. The interviewer asks the respondents, "Do you favor promoting science by teaching only evolution in schools?" Which type of bias is this?

Answers

The type of bias in the questionnaire is question wording bias or survey question bias, influenced by the way the question is phrased to imply evolution being synonymous with promoting science, potentially leading respondents to answer in line with what they perceive to be the socially desirable response.

The type of bias present in the questionnaire regarding teaching only evolution in schools is an example of question wording bias or survey question bias. When the interviewer asks respondents if they favor promoting science by teaching only evolution, the question implies that evolution is synonymous with science and that alternative perspectives are not scientific. This phrasing can lead respondents to answer in a manner that aligns with what they perceive as the socially desirable response, rather than their true beliefs, which can also be similar to the concept of social desirability bias.

Additionally, using the phrase promoting science might influence the respondents' answers because it frames the question in a way that one answer appears more 'pro-science' than the other, potentially leading to an inflated percentage of respondents in favor of teaching only evolution in schools. This kind of bias prevents the collection of accurate data regarding the population's true stance on the issue being surveyed.

2 1/2x − 3/4 ( 2x + 5 ) = 38

0.9(x+1.4)−2.3+0.1x=1.6

What is the value of x in both equations.

Answers

x = 41.75 for the 1st equation, x = 2.64 for the second equation. Let's solve the 1st equation. 2 1/2 x - 3/4(2x+5) = 38 Get rid of the fractions and make everything decimal 2.5x - 0.75(2x + 5) = 38 Distribute the 0.75 to get rid of the parenthesis. 2.5x - 1.5x - 3.75 = 38 Combine the x terms x - 3.75 = 38 Add 3.75 to both sides x = 41.75 So the value of X for the 1st equation is 41.75 Now let's solve the 2nd equation. 0.9(x + 1.4) â’ 2.3 + 0.1x = 1.6 Distribute the 0.9 to get rid of the parenthesis 0.9x + 1.26 - 2.3 + 0.1x = 1.6 Combine terms x -1.04 = 1.6 Add 1.04 to both sides x = 2.64 And the value of X for the 2nd equation is 2.64

Evaluate 4g - 12 when g = 5

Answers

to evaluate this equation, you would do as follows:

4*5 = 20 - 12 = 8

The value of the expression will be "8".

Given expression is:

[tex]4g-12[/tex][tex]g = 5[/tex]

By substituting the value of "g" in the given expression, we get

→ [tex]4g-12[/tex]

→ [tex]4(5) -12[/tex]

→ [tex]20-12[/tex]

→ [tex]8[/tex]

Thus the above answer is correct.

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help me plzzz with part D ly

Answers

If she starts at the fourth level below the ground floor, and wants to get to the fourth floor above ground, then she'll need to take 8 flights of stairs.

You can draw out a number line. Then count the number of steps needed to go from -4 to +4. Or you can subtract the two values and take the absolute value (effectively computing the distance from -4 to +4)

|-4-4| = |-8| = 8

Either way, the final answer is 8

Two angry children 450 feet apart are headed straight towards each other—one at 15 feet per second and the other at 6 feet per second. Their mother responds to the crisis by sprinting back and forth between the children, hoping to calm them before they reach each other. Unfortunately, when she reaches each child, she is immediately rejected and rushes back to the other child. If the mother miraculously maintains a constant speed of 20 feet per second the entire time—while racing back and forth between the children—how far will she have run when all three of them collide? She will have run __________ feet. (Round to the nearest foot.)

Answers

If the amount of time is x seconds, then 15*x is the amount ran by one child and 6*x is the amount ran for the other child due to that they add 15 or 6 feet for each second. In addition, since they are 450 feet apart, 15x+6x=450=21x. Dividing both sides by 21, we get x=around 21.4 seconds. Since the mother is always between them, when those two meet is when the three meet. Therefore, she runs 20* around 21.4= around 428.57 feet

Which expression is equivalent to 2^4 ⋅ 2^−7?

Answers

Final answer:

The expression 2^4 \u00b7 2^{-7} simplifies to 2^{-3}, which is the same as 1/2^3 or 1/8.

Explanation:

The expression 2^4 \u00b7 2^{-7} can be simplified using the properties of exponents, specifically the law that states when multiplying expressions with the same base, you add the exponents. Here, we are multiplying 2 raised to the power of 4 with 2 raised to the power of -7. Therefore, we add the exponents 4 and -7 together to get 2^{4-7} = 2^{-3}.

To simplify further, remember that a negative exponent indicates the reciprocal of the base raised to the positive of that exponent. Hence, 2^{-3} = 1/2^3 = 1/8. Therefore, 2^4 \u00b7 2^{-7} simplifies to 1/8.

Jeff prepares meals in the home of his customers. His fixed cost for transportation and supplies is $14.50. The labor and groceries needed for each family meal is $8.80, so the expense function is E=5.7q +8.8
True or false?

Answers

The formula for expense is given as:

E = V q + F

where, E = expense, V = variable cost, F = fixed cost

Therefore the equation should be:

E = 8.8 q + 14.50

So the answer is “False”

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