Evaluate for a = 7

8a - 4 = _____

Answers

Answer 1

8 (7) - 4 =

56 - 4 = 52


I hope this helps! Have a good night!



Related Questions

What is the hypothesis of the following conditional statement: If a quadrilateral has 4 right angles, then the quadrilateral is a rectangle.

f a quadrilateral has 4 right angles.

A quadrilateral has 4 right angles.

Then the quadrilateral is a rectangle.

The quadrilateral is a rectangle.

Answers

That answer is a quadrilateral has 4 right angles. yeah
Final answer:

The hypothesis of the conditional statement given is a quadrilateral has 4 right angles.

This is the 'If' part of the 'If P then Q' structure of a conditional statement.

Explanation:

In a conditional statement in logic, the statement is usually given in the form 'If P then Q'. Here, 'P' is called the Hypothesis, and 'Q' is the Conclusion. In the statement 'If a quadrilateral has 4 right angles, then the quadrilateral is a rectangle', the Hypothesis (P) is a quadrilateral has 4 right angles. So, to answer your question, the hypothesis of this conditional statement is that a quadrilateral has 4 right angles.

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Calculate the difference between the compound interest and simple
interest on ₹20,000 in 2 years at 8% per annum.

Answers

Answer: ₹128


Step-by-step explanation:

To work out the simple interest, you need to work out 8% of ₹20,000 for 2 years, which is 1.08 * ₹20,000 = ₹21,600 in the first year and ₹23,200 in the second year

To work out the compound interest, you need to work out 8% of the new value

1st year: ₹21,600

2nd year: 8% of ₹21,600 = ₹23,328

The difference is ₹23,328 - ₹23,200 = ₹128

A pet store runs two different training programs. The first program charges a $35 membership fee and $5 for each class. The second program does not have a membership fee, but charges $10 for each class. For how many classes will the programs cost the same? The variable c represents the number of classes and t represents the total cost. Which equations create the system to represent the scenario? Check all that apply.
t = c + 35
t = 5c
t = 5c + 35
t = 10c
t = 10c + 35

Answers

Answer:


Step-by-step explanation:

the answer is

t=5c+35

t=10c

i just did this problem and got it right.

Final answer:

To represent the scenario of two training programs with different costs, we can use the equations t = c + 35 and t = 5c.

Explanation:

In this scenario, we have two different training programs at a pet store. The first program charges a $35 membership fee and $5 for each class.

The second program does not have a membership fee, but charges $10 for each class. We want to find out for how many classes the total cost will be the same for both programs.

To create the system of equations, we can use the variable c to represent the number of classes and t to represent the total cost. The equations that represent the scenario are:

t = c + 35

t = 5c

Answer options are A,B,C. Please help ASAP!!

Answers

I think the answer is

1) B

2) C

3) A

hopes this helps ;)

I am a two digit odd number less than fifty. The sum of my digits is seven and my root is 5. What number am I?

Answers

Answer: 25


Step-by-step explanation:


The ages of Anjali and Aditya are in the ratio 3: 4.Eight years later sum
of their ages will be 44 years. What are their present ages

Answers

Answer:

12 years and 16 years

Step-by-step explanation:

their ages are in the ratio 3 : 4

let Anjali = 3x and Aditya = 4x ← present ages

In 8 years then

Anjali = 3x + 8 and Aditya = 4x + 8, hence

3x + 8 + 4x + 8 = 44 ← sum of their ages in 8 years

7x + 16 = 44 ( subtract 16 from both sides )

7x = 28 ( divide both sides by 7 )

x = 4

Anjali is 3x = 3 × 4 = 12 years old and Aditya = 4x = 4 × 4 = 16 years old



WILL MARK AS BRAINLIEST IF CORRECT!

What is the distance between (0,0) and (3,4)

a. 5
b. 4
c. 3
d. 2

Answers

Answer:

Your answer is A:5


A 10.5 ounce package costs $2.98 a 27.8 ounce package costs $8.99 which is the better deal based on the unit price...

Answers

2.98 ÷ 10.5 = .28
8.99 ÷ 27.8 = .32

The 10.5 ounce package is the better deal. It is 4 cent per ounce less expensive.

The graph shows a proportional relationship between the number of kilometers traveled by a bicycle (y) and the number of minutes (x).
PLS HELP ASAP! WILL GIVE BRAINLIEST TO CORRECT ANSWER!

Answers

Answer:

0.33 Km/Min

Step-by-step explanation:


I used an RX savings card The prescription normally would be $11.00 With the free discount card I only paid $7.00. What was my percentage of savings using the free Rx savings card?

Answers

Answer:

  =36.36 percent

Step-by-step explanation:

First we need to determine what you saved

11-7 = 4

You saved 4 dollars

Percentage of savings = savings /original price * 100

                                      = 4/11 * 100

                                       =36.36 percent

Final answer:

You saved $4.00 using an RX savings card on a prescription that originally cost $11.00. To find how much you saved in percentage terms, you divide the amount saved by the original cost and multiply by 100. In this case, you saved approximately 36.36%.

Explanation:

You are asking about the percentage savings when using a free RX savings card. To get the savings percentage, you first need to know how much money you saved. In your case, you would have paid $11.00, but you only paid $7.00 with the RX savings card. That means you saved $11.00 - $7.00 = $4.00.

Next, to find the savings as a percentage, you divide the amount saved by the original cost, then multiply by 100 to get a percentage. Here's the calculation:

Savings Percentage = ($4.00 / $11.00) * 100

Doing the division first (4 ÷ 11 = 0.3636), then multiplying by 100, you saved approximately 36.36% with your RX savings card.

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Solve. |x+5|>12 Help it would be great

Answers

Answer:

x < - 17 or x > 7

Step-by-step explanation:

Inequalities of the form | x | > a always have solutions of the form

x < - a or x > a

For | x + 5 | > 12, then

x + 5 < - 12 or x + 5 > 12 ( subtract 5 from both sides of the inequalities )

x < - 17 or x > 7


Which polygon has the most sides?

Answers

Answer:

It has 20 regular triangular faces, 30 square faces, 12 regular pentagonal faces, 60 vertices, and 120 edges.

Step-by-step explanation:

hope this helped


Anna, Ivan and Elena are running for class president. On Thursday night Anna had 20% of the votes, Ivan had 35% of the votes and Elena had 45% of the votes. On Friday, final votes were added to the counts and all of them favored Elena. If in the end Anna had 16% of all votes, what percent of the voters chose Ivan?

Answers

Answer:

28%

Step-by-step explanation:

On Thursday night Anna had 20% of the votes, Ivan had 35% of the votes and Elena had 45% of the votes. You can take the number of total votes on Thursday equal to 100, then Anna had 20 votes, Ivan had 35 votes and Elena had 45 votes.

Let x be the number of votes added on Friday. All of them favored Elena, then Elena in total had 45+x votes and the number of all votes became 100+x. In the end Anna had 16%, then

100+x - 100%,

20 - 16%.

Write a proportion:

[tex]\dfrac{100+x}{20}=\dfrac{100}{16},\\ \\16(100+x)=2000,\\ \\1600+16x=2000,\\ \\16x=400,\\ \\x=25.[/tex]

Find the percent of the voters that chose Ivan:

125 - 100%,

35 - y%.

Write a proportion:

[tex]\dfrac{125}{35}=\dfrac{100}{y},\\ \\125y=35\cdot 100,\\ \\y=\dfrac{35\cdot 100}{125}=\dfrac{35\cdot 4}{5}=7\cdot 4=28\%.[/tex]

Estimate the sum or difference. Use the benchmarks,0, 1/2, and 1.
23/40- 11/30
A.0
B.1
C.1/2

Answers

Answer:

A. 0

Step-by-step explanation:

23/40 is approximately 1/2.

11/30 is approximately 1/2.

Sine 1/2 - 1/2 = 0, then 23/40 - 11/30 is approximately 0.

Final answer:

By converting the given fractions to a common denominator and performing subtraction, the result falls closest to the benchmark of 0. Hence, the estimated sum or difference of 23/40 and 11/30 is 0.

Explanation:

The given problem is 23/40 - 11/30 and the student has to estimate the result using the benchmarks 0, 1/2, and 1.Steps to resolve the problem:

First, convert both fractions to a common denominator. The smallest number that both 40 and 30 divide into evenly is 120. Therefore, we multiply 23/40 by 3/3 to get 69/120, and 11/30 by 4/4 to get 44/120.Then, subtract the fractions: 69/120 - 44/120 = 25/120.Here, 25/120 is close to 1/4.

The benchmark that is closest to 1/4 is 0. So, the estimated sum or difference would be 0.

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The bowling club at your school had a car wash last week.
They washed 72 cars in 6.5 hours.

About how many cars did they wash per hour?

Answers

Answer:

This is approximately 11 cars per hour

Step-by-step explanation:

We want to find the the cars per hour so we will divide cars/ hour

72 cars/6.5 hours

11.07692308 cars per hour

This is approximately 11 cars per hour

Answer:

11.08 cars per hour      Please give brainliest.

Step-by-step explanation:

72 ÷ 6.5 = 11.076  = 11.08 cars per hour

Solve for x. The polygons are similar

Answers

[tex]\frac{8x-2}{42}=\frac{63}{49}\\\frac{8x-2}{42}=\frac{9}{7}\\7(8x-2)=9\cdot42\ /:7\\8x-2=9\cdot6\\8x-2=54\\8x=54+2\\8x=56\ /:8\\x=7[/tex]

What is the solution to the system of equations shown below? Be sure to list your solution as an ordered pair in the form (x,y)

Answers

On the graph, the solution to the system of equations is the point of intersection (the point where the lines meet)


So the solution is (-4, 3)

Answer:

The solution for the system is [tex](-4,3)[/tex], that is, [tex]x=-4[/tex] and [tex]y=3[/tex].

Step-by-step explanation:

The solution of a system of equations can be find by using different methods, one of them is the graphic method, which is the one aplied to this problem.

When we use the graphic method to solve a system of equations, the interception point of both line represents the solution of such system.

Therefore, in this case, the solution for the system is [tex](-4,3)[/tex], that is, [tex]x=-4[/tex] and [tex]y=3[/tex].

What's the distance between the points (–9,2) and (–4,2)?

Answers

Final answer:

The distance between the points (–9,2) and (–4,2) is 5 units, calculated as the absolute difference between the x-coordinates since the y-coordinates are equal.

Explanation:

The distance between the points (–9,2) and (–4,2) can be found using the distance formula, which is derived from the Pythagorean theorem. For two points (x1, y1) and (x2, y2) the distance is given by √((x2 - x1)² + (y2 - y1)²). However, because the y-coordinates of the points are the same, we can simplify this to the absolute value of the difference between the x-coordinates.

In this case, the distance is |(–4) - (–9)|, which simplifies to 5 units. There's no need to calculate a square root because there is no vertical change between the points.

Roger Ratkin has three employees who earn $500, $550, and $700, respectively. How much does Roger owe for the first 12 weeks for SUTA and FUTA? Assume a SUTA rate of 5.3% and a FUTA rate of .8%.

Answers

Final answer:

The answer explains how to calculate the SUTA and FUTA amounts owed by Roger Ratkin for the first 12 weeks for his employees' wages.

Explanation:

State Unemployment Tax Act (SUTA) and Federal Unemployment Tax Act (FUTA)

Calculate SUTA amount: ($500 + $550 + $700) * 5.3% * 12 weeks = $744.Calculate FUTA amount: ($500 + $550 + $700) * .8% * 12 weeks = $55.20.Therefore, Roger owes a total of $799.20 for SUTA and FUTA for the first 12 weeks for his three employees.

Don’t mind the writing. Just trying to see if this is right?

Answers

Answer:


Step-by-step explanation:

Yep you are 100% correct grate job!!

All correct! I learned this a couple years ago and still use it! Soo, I’ve had practice. It’s all correct! Great job! And btw, I hope you have a great day!

43.017 round to the nearest hundredth

Answers

Answer:

43.02

Step-by-step explanation:

Note the hundredth place value (underlined and bolded): 43.017

Look at the place value directly to the right of the one you are solving for (thousandth place value). It is a 7. Because 7 is greater than 5, round up

43.017 rounded to the nearest hundredth is 43.02

~

Answer:

43.02

Step-by-step explanation:

tens  ones.  tenths hundredths  thousandths

4          3     .   0          1                   7


The one is in the hundredths place, so we need to look at the 7

7>= 5 so we need to round the 1 up to 2

43.017 rounds to 43.02

solve equation for x

Answers

Question

solve equation for x


Answer:

-3/2

Step-by-step explanation:


1/4 - 2/3x = 3/4 - 1/3x

1/4 - 3/4 = 2/3x - 1/3x

-2/4 = 1/3x

x = -2/4 : 1/3

x = -2/4 * 3

x = -6/4 semplified -3/2


At the start of the 20th century,there were about 100,000 tigers in the wild.In 2014 there were about 3,200.What percent did the population decrease

Answers

the population decreased 31.25%

The population decreased 96.8%.

Initial value = 100,000

Final value = 3,200

The percentage decrease is

= (Final value - initial value) * 100% /initial value

= [tex]\frac{\left(3200-100000\right)}{100000}\cdot100 \%[/tex]

= −96.8%

Negative sign because of decrease.

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solve the system by adding or subtracting:
-3x-3y=9
3x+8y=6

Answers

Answer:

x=-6,  y=3

Step-by-step explanation:

I will use elimination to eliminate the x variable.

Add the two equations.

-3x-3y=9

3x+8y=6

-------------------

   5y  = 15

Divide each side by 5

5y/5 = 15/5

y=3

Now we need to find x

3x+8y=6

Substitute y=3

3x+8*3 =6

3x+24=6

Subtract 24 from each side

3x+24-24 = 6-24

3x = -18

Divide each side by 3

3x/3 = -18/3

x=-6

A store sells four 1 1/8-pound ears of corn in a package for $3.59. The expression 3.59p represents the cost of the corn for a number of packages. What does the variable p represent? PLZZ HELPP

a. The number of ears of corn purchased


b. The cost of one package of corn


c. The number of packages of corn purchased


d. The cost of one ear of corn

Answers

The answer would be c. the number of packages of corn purchased

Answer:

c. The number of packages of corn purchased.

Step-by-step explanation:

We have been given that a store sells four 1 1/8-pound ears of corn in a package for $3.59. The expression [tex]3.59p[/tex] represents the cost of the corn for a number of packages.

Since the cost of each package of corn is $3.59 and [tex]3.59p[/tex] represents the cost of 'p' packages of the corn. So 'p' represents the number of packages of corn purchased.

Upon looking at our given choices, we can see that option C is the correct choice.

Can someone help with the first question

Answers

There are 60 seconds in one minute and 120 seconds in two minutes. The rocket drops 15 feet every second.

120 x 15 = 1800

After two minutes, the rocket was at 11400 feet.

11400 + 1800 = 13200

The rocket's initial elevation was 13200 feet

Find the slope of the line. Write your answer in simplest form.

Answers

Answer:

1/6

Step-by-step explanation:

The rise is 1 and the run is 6

x < 4 and x > -3: I need this in interval notation please.

Answers

x > -3 and x < 4

in interval notation

[tex]x\in(-3,\ 4)[/tex]

>; < - a open circle on the number line and the parenthesis ( or )

≥; ≤ - a filled-in circle on the number line and the parenthesis  [ or ]

mrs tran mowed 1/4 of the lawn. her son mowed 2/5 of it. who mowed more. how much of the lawn still need to be mowed

Answers

Answer:

Her son mowed more and 7/20 need to be mowed

Step-by-step explanation:

1/4 x 5 = 5/20 - Mrs Tran

2/5 x 4 = 8/20 - her son

20/20 - 13/20 = 7/20 needs to be finished

Her son mowed more he mowed 8/20 and she mowed 5/20.

he table shows the total cost for different numbers of jackets. Number of Jackets 2 5 7 Total Cost ($) 46.50 116.25 162.75 What is the cost of 3 jackets?

Answers

Answer:

$69.75

Step-by-step explanation:

2 jackets cost $46.50 and 5 jackets cost $116.25

The different between 5 and 2 is 3.

So the cost of 3 jackets would be  =$116.25 - $46.50

                                                        = $69.75

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