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3 years ago

I need the answer asappppppppp

Mathematics

2 answers:

Nostrana [21]3 years ago

8 0

-2 on the number line

Evgesh-ka [11]3 years ago

8 0

-2, right?

I need 20 characters, so la

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What is the value of 3x² + 2y3 when x = -4 and y = -2

skad [1K]

Ummmmmmm -26 ......... in

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3 years ago

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−3(y+5)=15 someone please help me with this question my assignment is already late

AnnyKZ [126]

Answer: -10

Step-by-step explanation:

Simplifying

-3(y + 5) = 15

Reorder the terms:

-3(5 + y) = 15

(5 * -3 + y * -3) = 15

(-15 + -3y) = 15

Solving

-15 + -3y = 15

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '15' to each side of the equation.

-15 + 15 + -3y = 15 + 15

Combine like terms: -15 + 15 = 0

0 + -3y = 15 + 15

-3y = 15 + 15

Combine like terms: 15 + 15 = 30

-3y = 30

Divide each side by '-3'.

y = -10

Simplifying

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2 years ago

Sketch the net of the following figure on a sheet of paper and describe in words what is would look like.

tatiyna

The net would look like a square surrounded with four triangles, one on each side.

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3 years ago

what is the equation of the line in standard form through each point? (3,1) & perpendicular to -4c + y - 1= 0

ad-work [718]

C = 1/4 y + -1/4 is the answer

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3 years ago

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1. What is the constant of proportionality, k, of Kevin's wage? Greg's? Savannah's?

Gala2k [10]

Answer:

Part a) The constant of proportionality of Kevin's wage is $k=\$8.25\ per\ hour$

Part b) The constant of proportionality of Greg's wage is $k=\$9.00\ per\ hour$

Part c) The constant of proportionality of Savannah's wage is $k=\$9.50\ per\ hour$

Step-by-step explanation:

See the attached figure to better understand the problem

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

To find out the constant of proportionality k , divide the variable y (total earned) by the variable x (number of hours)

Kevin's wage

Take any point from the table

I take the point (2,16.50)

$k=\frac{16.50}{2}=\$8.25\ per\ hour$

Greg's wage

Take any point from the table

I take the point (3,27.00)

$k=\frac{27.00}{3}=\$9.00\ per\ hour$

Savannah's wage

Take any point from the table

I take the point (2,19.00)

$k=\frac{19.00}{2}=\$9.50\ per\ hour$

3 0

3 years ago