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3 years ago

Express each rational number as a fraction or mixed number in simplest form. 25

Mathematics

1 answer:

Sloan [31]3 years ago

4 0

25 expressed as a mixed number is just 25

-Hunter

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Holly is trying to get the best deal for her money. The pizza shop is offering two pizzas for the same price. The round one is 1

patriot [66]

Answer:

Step-by-step explanation:

The pizza shop is offering two pizzas for the same price.

The round one is 12 inches in diameter. To know the size of the round pizza, we will determine its area. It is the same as the area of a circle which is expressed as

Area = πr^2

Radius, r = diameter /2 = 12/2 = 6 inches.

π = 3.14

Area = 3.14 × 6^2 = 3.14 × 36 = 113.04 inches square.

To know the size of the square pizza, we will apply the formula for a square

Area = l^2

Since one side is 10 inches,

The area is 10.5 × 10.5 = 110.25 inches square.

It means that the round pizza is bigger. She should by the round pizza

8 0

4 years ago

What is the equation of this line? y=−1/4x y=1/4x y=−4x y = 4x

Firdavs [7]

Answer:

y=4x

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Pl help is for homwork

HACTEHA [7]

Answer:

Sabrina bought 3 pounds of bananas.

Step-by-step explanation:

Given equations are:

a + b = 8 Eqn 1

0.95a + 1.10b = 8.05 Eqn 2

As we have to find the number of pounds of bananas bought, we will eliminate the variable a from the equation.

Multiplying Eqn 1 by 0.95

0.95(a+b=8)

0.95a+0.95b=7.60 Eqn 3

Subtracting Eqn 3 from Eqn 2

(0.95a+1.10b)-(0.95a+0.95b)=8.05-7.60

0.95a+1.10b-0.95a-0.95b=0.45

0.15b = 0.45

Dividing both sides by 0.15

$\frac{0.15b}{0.15}=\frac{0.45}{0.15}\\b = 3$

Hence,

Sabrina bought 3 pounds of bananas.

3 0

3 years ago

Evaluate ( z^2 + 4 ) ( z^2 – 5)

Kitty [74]

Answer:

z^4-z²-20

Step-by-step explanation:

( z^2 + 4 ) ( z^2 – 5)

z^4+4z²-5z²-20

z^4-z²-20

3 0

3 years ago

-5x-18y=-28 and -10x+9y=-11 solve elimination

Dmitry [639]

Answer:

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$x=2,\:y=1$

Step-by-step explanation:

Given the equations

$-5x-18y=-28$

$-10x+9y=-11$

solving the system of the equation by elimination method

$\begin{bmatrix}-5x-18y=-28\\ -10x+9y=-11\end{bmatrix}$

$\mathrm{Multiply\:}-5x-18y=-28\mathrm{\:by\:}2\:\mathrm{:}\:\quad \:-10x-36y=-56$

$\begin{bmatrix}-10x-36y=-56\\ -10x+9y=-11\end{bmatrix}$

$-10x+9y=-11$

$-$

$\underline{-10x-36y=-56}$

$45y=45$

$\begin{bmatrix}-10x-36y=-56\\ 45y=45\end{bmatrix}$

solve 45y=5 for y:

$45y=45$

$\frac{45y}{45}=\frac{45}{45}$

$y=1$

$\mathrm{For\:}-10x-36y=-56\mathrm{\:plug\:in\:}y=1$

solve $-10x-36\cdot \:1=-56$ for x:

$-10x-36\cdot \:1=-56$

$-10x-36=-56$

Add 36 to both sides

$-10x-36+36=-56+36$

$-10x=-20$

$\frac{-10x}{-10}=\frac{-20}{-10}$

$x=2$

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$x=2,\:y=1$

5 0

3 years ago