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3 years ago

What is the value of the expression 3y by the power of 2 when y=-2 plzzz help

Mathematics

1 answer:

seraphim [82]3 years ago

5 0

(3y)^2

After substituting

(3×-2)^2
= (-6)^2
=(-6)×(-6)= 36

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Mamont248 [21]

Answer:

To find c° go with Triangle Sum Theorem .

To find d° go with Supplementary Angle with 58°.

To find a° go with Transverse Angles.

To find b° go with Transverse Angles .

Step-by-step explanation:

c° = 180- 58 - 48 = 74°

b° = 48°

d° = 180 - 58 = 122°

a° = 58°

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3 years ago

at Sam's sandwich shop, toni ate 3/4 of a medium sandwich, Becky ate 3/4 of a small sandwich, and Mary jo ate 6/8 of a medium sa

Contact [7]

Answer:

Here's what I get

Step-by-step explanation:

Let's assume that the sandwiches are circular (because I couldn't find a good rectangular fraction maker.

Toni ate ¾ of a medium sandwich (Figure below).

Mary Jo ate ⁶/₈ of a medium sandwich.

Mary Jo ate the same amount as Toni, because ¾ = ⁶/₈

Becky ate ¾ of a small sandwich and Toni ate ¾ of a medium sandwich.

Becky ate less than Toni, because ¾ of a small amount is less than ¾ of a large amount.

6 0

3 years ago

Follow the rule to find the output for an input of -4. output = input x 17

vladimir2022 [97]

Answer:

output = - 68

Step-by-step explanation:

given

output = input × 17

when input = - 4 , then

output = - 4 × 17 = - 68

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2 years ago

Find the surface area of the sphere.

Mila [183]

$A = 201.1\:\text{cm}^2$

Step-by-step explanation:

Given: r = 4 cm

The surface area A of a sphere is given by

$A = 4\pi r^2 = 4\pi(4\:\text{cm})^2$

$\:\:\:\:\:= 201.1\:\text{cm}^2$

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3 years ago

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Alex Ar [27]

237.5 is greater because 2 8/24 = 2.333, and 237.5 is definitely a bigger number than 2.333

5 0

3 years ago

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