It is a week before the maths festival. A maths exhibitor costs £75.40 and so far 12 have been bought.

Answers

Answer 1
£904.80 have been bought.


Related Questions

What is the solution to the inequality? 5t≤−15

Answers

The solution of the inequality is t<-3. Because -15 divided by 5t is equal to -3
t equals -3 because 5 times -3 would be equal to -15

How many different three digit locker combinations are possible if the digits are able to repeat?
A.30
B.1000
C.300

Answers

the answer is b i think 

There are 1000 three digit locker combinations are possible if the digits are able to repeat.

The correct option is B.

If the digits are able to repeat, there are 10 options for each digit (0-9) in a three-digit combination.

Since each digit can be chosen independently, the total number of different three-digit combinations is given by:

Number of combinations

= Number of options for the first digit x Number of options for the second digit x Number of options for the third digit

Number of combinations = 10 x 10 x 10 = 1000

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please help!!! thx!!!

Answers

i think the answer is b

Recall that 
distance = (speed)*(time)
we're given the speed and time. If we multiply them together, we get the distance

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

The number 1.3 x 10^6 is in scientific notation. The coefficient 1.3 rounds to 1
This means "1.3 x 10^6" turns into "1 x 10^6"

Similarly, with the number 2.8 x 10^3, the coefficient 2.8 rounds to 3
The number "2.8 x 10^3" turns into "3 x 10^3"

When we multiply the numbers (1 x 10^6) and (3 x 10^3), we will
multiply the coefficients 1 and 3 to get 1*3 = 3
add the exponents: 6+3 = 9

So overall, the final answer is 3 x 10^9 indicating that it is choice C
(this is an estimate because we rounded the coefficients)

What is another name for m1?

Answers

M01 or M-1 i think


uh...hope it helps

For her phone service, Lucy pays a monthly fee of $18, and she pays an additional $0.05 per minute of use. The least she has been charged in a month is $81.20What are the possible numbers of minutes she has used her phone in a month? Use m for the number of minutes and solve your inequality for m.

Answers

m = 4.

The reason why is because you first have to add 0.05 and 18 together, and than multiply it by the closes number to 81.20 which is 4, and also it cannot be over 81.20.

IM USING UP SO MANY POINTS CAUSE PEOPLE WONT ANSWER PLZ HELP-A business owes $8000 on a loan. Every month, the business pays 12 of the amount remaining on the loan.

How much will the business pay in the sixth month?

Answers

He pays $125 during the sixth month.

Certain hot water bottles hold up to 1500 milliliters of water. how many liters are in 1500 milliliters

Answers

1,500 milliliters is equal to 1.5 liters. In the metric system, a liter is the basic unit of volume for liquids. Like the rest of the metric system, the naming system uses prefixes derived from Latin and Greek roots that tell the user what fraction or multiplier the unit uses. In this example, "milia" is "thousand" in Latin. Thus, a "milli-liter" is a thousandth of a liter. Learning these prefixes makes the use of the metric system much easier.

Which exponential function goes through the points (1, 8) and (4, 512)?
f(x) = 4(2)^x

f(x) = 8(2)^-x

f(x) = 4(4)^-x

f(x) = 2(4)^x

Answers

Answer:

Therefore, the correct option is: (C.) [tex]\( f(x) = 2 \cdot 4^x \)[/tex]

Explanation:

To determine the exponential function that passes through the given points, we can use the general form of an exponential function:

[tex]\[ f(x) = a \cdot b^x \][/tex]

Where:

[tex]\( a \)[/tex] is the initial value or the value of the function when [tex]\( x = 0 \).[/tex]

[tex]\( b \)[/tex] is the base of the exponential function.

Given the points [tex]\((1, 8)\) and \((4, 512)\)[/tex], we can substitute these coordinates into the general form and solve for [tex]\( a \) and \( b \).[/tex]

Using the point [tex]\((1, 8)\):[/tex]

[tex]\[ 8 = a \cdot b^1 \][/tex]

[tex]\[ 8 = a \cdot b \][/tex]

Using the point [tex]\((4, 512)\):[/tex]

[tex]\[ 512 = a \cdot b^4 \][/tex]

We can divide the equation obtained from the second point by the equation obtained from the first point to eliminate [tex]\( a \)[/tex] and solve for [tex]\( b \):[/tex]

[tex]\[ \frac{512}{8} = \frac{a \cdot b^4}{a \cdot b} \][/tex]

[tex]\[ 64 = b^3 \][/tex]

Taking the cube root of both sides:

[tex]\[ b = 4 \][/tex]

Now that we have found the value of [tex]\( b \)[/tex], we can substitute it back into one of the equations to find \( a \). Let's use the first point [tex]\((1, 8)\):[/tex]

[tex]\[ 8 = a \cdot 4 \][/tex]

[tex]\[ a = 2 \][/tex]

So, the exponential function that passes through the points [tex]\((1, 8)\) and \((4, 512)\)[/tex] is:

[tex]\[ f(x) = 2 \cdot 4^x \][/tex]

What is the 4 digit number in which the first digit is one-fifth of the last, and the second and third digits are the last digit multiplied by 3?

Answers

The last digit is 5, multiplied by 3 is 15, so 15 goes in the middle, so the number is 1155 The sum of the digits is 12 That checks: 1+1+5+5=12.

order the bussiness owners up from youngest to oldest... Mark: 23 3/8 Steve: 23.45 Jeff: 23 1/4

Answers

jeff,
mark, then
steve...
Jeff is the youngest. Mark is in the middle. Steve is the oldest.

in a 30-60-90 Blondie triangle the long leg is half the hypotenuse

A. always
B. sometimes
c never

Answers

Answer:

never

Step-by-step explanation:

In a 30 - 60 - 90 degree triangle , the common ratio is

1  : [tex]\sqrt{3}[/tex] : 2

Shorter leg that is opposite to 30 degree = 1

Longer leg that is opposite to 60 degree = [tex]\sqrt{3}[/tex]

Hypotenuse is opposite to 90 degree = 2

Shorter leg is half the length of the hypotenuse as per the ratio

Long leg is never the half of the hypotenuse

State how many imaginary and real zeros the function has. f(x) = x3 + 5x2 - 28x - 32

Answers

All equation has always even numbers of imaginary roots because they always come in pairs. Therefore there must be either 2 imaginary roots, or zero. 

To determine the types of roots, we could try synthetic division by some of the factors of the number -32. The simplest factors are +1 or -1. Using this, we can quickly show that (x + 1) is a factor, and leaving (x² + 4x - 32) as the remainder. This remainder equation then factorises to (x - 4) (x + 8). 

So to conclude there are three real zeros which are:

 

x = -1

x = 4

x = -8

Write in slope-intercept form of the equation of the line through the given point. Through: (-3,-3) and (4,0)

Answers

You have to use the y2-y1 over x2-x1.
So, let's plug the numbers in.
(-3,-3)
^ ^
X1 Y1
(4,0)
^ ^
X2 Y2
So, that would be
0-(-3)
——
4-(-3)
The two subtraction signs counteract and become a positive, or addition symbol. So it would be
0+3
——
4+ 3
Do the addition to get 3 over 7 or
3

7

Answer:

y = 3/7 x - 12/7

Step-by-step explanation:

The slope is (0+3)/(4+3) = 3/7

So, now you have a point and a slope, so use the point-slope form. That gives you

y-0 = 3/7 (x-4)

Now just rearrange to slope-intercept form.

y = 3/7 x - 12/7

round 2.125 to the nearest hundreth.

Answers

the answer would be 2.125 because it's already rounded to the nearest hundredth

The sum of two numbers is 41 and the difference is 19 . what are the numbers?

Answers

The two numbers are 30 and 11.

Which percent is equivalent to 2.5?


Answers

Answer:

250%

Step-by-step explanation:

The value of percentage of a number 2.5 is,

⇒ 250%

We have to given that,

To change a number 2.5 into percent.

Since, A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.

Now, We can change it as,

⇒ 2.5 × 100%

⇒ 250%

Therefore, The value of percentage of a number 2.5 is,

⇒ 250%

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Write the inverse of the conditional statement. If a polygon is regular, then it has congruent angles and congruent sides.

A. If a polygon has congruent angles and congruent sides, then it is regular.
B. If a polygon does not have congruent angles and congruent sides, then it is not regular.
C. A polygon has congruent angles and congruent sides, if and only if, it is regular.
D. If a polygon is not regular, then it does not have congruent angles and congruent sides.

Answers

The answer would be D because it states the direct opposite of the original statement. Hope this helps!

Answer:

The answer is option D.

Step-by-step explanation:

A conditional statement is a statement where we can symbolize the given statements in a p and q parts. And this contains if-then clause. It says, if p, then q. Here p is a hypothesis and q is a conclusion. Inverse of a statement means the negative form of the statement in the same order. If not p, then not q.

Given statement is :

If a polygon is regular, then it has congruent angles and congruent sides.

The inverse is :

If a polygon is not regular, then it does not have congruent angles and congruent sides.

There are 12 girls and 16 boys and Javier's math class or 26 girls and 14 boys and Javier's core class is the race ratio of girls to boys in the two classes equivalent

Answers

No the ratios are not equivalent.
[tex] \frac{12}{16} [/tex] simplifies to [tex] \frac{3}{4} [/tex]

And  [tex] \frac{26}{14} [/tex] simplifies to [tex] \frac{13}{7} [/tex]

They are not equivalent in simplest form, so they are not equivalent. 

A plane is defined by two lines. What's the counterexample

Answers

A plane that has more than one agent

graph y> 1-3x, I really need someone to answer this.

Answers

the dotted line is the line itself to be drawn

What is the product of (–22.1)(–5.6)?

A)–123.76
B)–27.7
C)27.7
D)123.76

Answers

the answeryour lookig for is D

A man invested $500 in the stock market. During the first week, he gained $200. During the second week, the market was strong and the man doubled his money. During the third week, stocks fell, and the man lost $650. How much money did the man have at the end of three weeks?

Answers

He would have $750 at the end of three weeks
  500 + 200 = 700        700  x  2 + 1400
1400 - 650 = 750
$750 at the end of three weeks

Simplify the expression:

sqrt(4x^2/3y)

Answers

Final answer:

The expression √(4x^2/3y) simplifies to (2x)/√(3y), by taking the square root of the numerator and the denominator separately.

Explanation:

To simplify the expression √(4x^2/3y), we will start by simplifying the square root of a fraction, which can be done by taking the square root of the numerator and the denominator separately. We have √(4x^2) = 2x because the square root of 4 is 2 and the square root of x^2 is x. For the denominator, we have √(3y), which cannot be simplified further without additional information about y. Therefore, the simplified form of the expression is (2x)/√(3y).

Remember, if we encounter an expression with a higher root like a fourth root, we would raise the number to the 0.25 power, which is equivalent to taking the square root twice. While simplifying expressions, we may also need to solve for variables in an equation or work with fractional powers, which represent roots, such as x^2 = √x.

if 16 + 4x is 10 more than 14, what is the value of 8x?

Answers

16 + 4x = 10 + 14
16 + 4x = 24
4x = 24 - 16
4x = 8
x = 8/4
x = 2

so now you plug in what x is, which is 2, into "8x"

8x = 8 × 2
8x = 16

so your answer is 16!

hope this helps, God bless!

1. Main Show Tank Calculation:

The main show tank has a radius of 60 feet and forms a quarter sphere where the bottom of the pool is spherical and the top of the pool is flat. (Imagine cutting a sphere in half vertically and then cutting it in half horizontally.) What is the volume of the quarter-sphere shaped tank? Round your answer to the nearest whole number.

2. Holding Tank Calculations:

The holding tanks are congruent. Each is in the shape of a cylinder that has been cut in half vertically. The bottom of each tank is a curved surface and the top of the pool is a flat surface. What is the volume of both tanks if the radius of tank #1 is 30 feet and the height of tank #2 is 110 feet?

3. The company is building a scale model of the theater’s main show tank for an investor's presentation. Each dimension will be made ⅛ of the original dimension to accommodate the mock-up in the presentation room. What is the volume of the smaller mock-up tank?

4. Using the information from #4, answer the following question by filling in the blank: The volume of the original main show tank is ____% of the mock-up of the tank.

Answers

1. a quarter is a fourth. the volume of a sphere = (4/3)πr³
So the volume of the tank would be = (1/4)(4/3)π(60)³
= (1/3)π(60)³
= 72,000π ft³
2. The holding tanks are half cylinders. Combined they make a whole cylinder. volume of a cylinder is area of circle times length.
volume tank 1&2 = (110)π(30)²
= 99,000π ft³
3. radius of main show tank goes from 60 real tank to 60/8 = 7.5 mock-up tank
= (1/3)π(7.5)³
= 140.625 ft³
4. 72,000/140.625 * 100 = 51,200%
essentially 8³ * 100
very high since you are looking at % real tank to model tank

Find the missing values x and y

Answers

1) The supplement of 72° is 180°-72° = 108° . (bottom // with right secant)

2) (3z + 18)° = 108° ( in a para llelogram opposite angles are equal)
Then 3z+18 = 108 and 3z° = 90° → z = 30°

3) (3y)° = 108° (vertical angles) , 3y° = 108 and y = 36°

4) 3y = x° (corresponding angles) but 3y = 108, then x = 108°

(Mind you I am calculating the ∠ x, y, and z. To find the angles of the parallelogram replace x,y and z by their respective values

Simplify the expression shown.3x + 2 – 3x + 7 +5xwhat is the coefficient in the simplified expression?

Answers

Final answer:

The expression 3x + 2 - 3x + 7 +5x simplifies to 5x

when the terms containing variable 'x' are combined. Therefore, the coefficient in the simplified expression is 5.

Explanation:

The given expression is 3x + 2 – 3x + 7 +5x.

To simplify this expression, we need to combine like terms, which in this case are terms with x.

The like terms are 3x, -3x, and 5x. When added together, they simplify to: 3x - 3x + 5x = 5x.

The number part of the term, excluding x, is referred to as the coefficient. So the coefficient of x in this simplified expression is 5.

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A train travels from Chicago,Illinois to Los Angeles, ca in 1 day and 15 minuets. The distance between the two cities is 2,015.3 miles. How fast was the train going on average

Answers

so speed = distance / time
15 minutes is 0.25 of an hour
24 hours in a day

2015.3/24.25

83.1051546 mph
or 83 mph



A recipe for guacamole uses 12% lime juice. if a batch contains 0.75 cup of kime juice, how large is the batch of guacamole

Answers

0.75/0.12=6.25

the batch is 6.25 cups

Marlene rides her bicycle to her friend​ jon's house and returns home by the same route. marlene rides her bike at constant speeds of 9 mph on level​ ground, 6 mph when going uphill and 18 mph when going downhill. if her total time riding was 1 ​hours, how far is it to​ jon's house?

Answers

To solve the problem:

Let f = distance one way distance on level ground


Let h = distance rode on the hill


Write a time equation; where Time = distance/speed:



level time + uphill time + downhill time + level time = 1hr


f/9 + h/6 + h/18 + f/9 = 1 hr



Multiply equation by 18 to get rid of the denominators


 

2f + 3h + h + 2f = 18


4f + 4h = 18


Simplify by dividing this by 4


f + h = 4.5 miles is took her to get to Jon’s house.

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