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3 years ago

Isaac's rectangle measures 4 1/2 units by 2 1/4. What is it's area?

Mathematics

1 answer:

tensa zangetsu [6.8K]3 years ago

3 0

<h3>Answer:</h3>

$\sf\:Area \: of \: rectangle = l × b$

$\sf\:4 \frac{1}{2} \times 2\frac{1}{4}$

$\sf\frac{9}{2} \times \frac{9}{4}$

$\large\boxed{\sf\frac{81}{8}sq.\:units.}$

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4x−2(x−4)=−3+4x+5 please I need help

love history [14]

Answer:

x=3

Step-by-step explanation:

4x−2(x−4)=−3+4x+5

4x+(−2)(x)+(−2)(−4)=−3+4x+5

4x+−2x+8=−3+4x+5

(4x+−2x)+(8)=(4x)+(−3+5)

2x+8=4x+2

2x+8−4x=4x+2−4x

−2x+8=2

−2x+8−8=2−8

−2x=−6

−2x /−2 = −6 /−2

x=3

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3 years ago

Read 2 more answers

Find the reciprocal of the number. Multiply to check your answer.

Mars2501 [29]

To find the reciprocal of a fraction, you just need to "flip" it. To check your work, you multiply the fraction and the reciprocal to get 1.

the reciprocal if 2/3 is 3/2

$\frac{2}{3} * \frac{3}{2} = \frac{6}{6} = 1$

The answer is B

5 0

3 years ago

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What is the equation of a circle that has a center at (-4, 10) and a radius of 8?

mars1129 [50]

Answer:

The equation of the circle is $(x + 4)^2 + (y - 10)^2 = 64$ , third option is correct.

Step-by-step explanation:

Equation of a circle:

The equation of a circle with center $(x_0,y_0)$ and radius r is given by:

$(x - x_0)^2 + (y - y_0)^2 = r^2$

Center at (-4, 10)

This means that $x_0 = -4, y_0 = 10$ .

Radius of 8:

This means that $r = 8$ . So

$(x - x_0)^2 + (y - y_0)^2 = r^2$

$(x - (-4))^2 + (y - 10)^2 = 8^2$

$(x + 4)^2 + (y - 10)^2 = 64$

The equation of the circle is $(x + 4)^2 + (y - 10)^2 = 64$ , third option is correct.

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3 years ago

15 points PLEASE HELP , and be careful when answering !!

Aleks04 [339]

18.84 because the formula to find the volume of a cone is pie*r^2*h/3 and your radius is 3 and the height is 2, so if you plug those in the equation and calculate it this should be your answer

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3 years ago

Solve the expression: x = 5, y = 8. x² - 3y =

Fed [463]

Answer:

x^2-3y

5^2-3*8

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Step-by-step explanation:

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3 years ago