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ANEK [815]
3 years ago
6

Use substitution to solve the following system of equations. - 2x + 4y = -18AND x = y + 3

Mathematics
1 answer:
Dima020 [189]3 years ago
7 0
The anwser is (-6,-9)
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Sasha is cutting a cake into 42 equal-sized pieces. If 14 people want cake, then they can each have 3 slices. And if 21 people w
kupik [55]

Answer:

k = 42

the constant of proportionality in this inverse variation is 42.

Step-by-step explanation:

Let x represent the number of people that want cake

And y the number of slices each can have;

Since x is inversely proportional to y;

x = k/y .....1

Where k is the proportionality constant;

To solve for k, we will substitute any of the case scenario given into equation 1.

If 14 people want cake, then they can each have 3 slices;

x = 14 , y = 3

substituting;

14 = k/3

k = 14 × 3 = 42

k = 42

the constant of proportionality in this inverse variation is 42.

Therefore,

x = 42/y

4 0
3 years ago
What is 2+2? I NEED HELP ASAP!
FromTheMoon [43]

Answer:

4

Step-by-step

dam its so simple it hurts my brain

8 0
3 years ago
What is the value of x?
denis-greek [22]

Answer:

x = 17

Step-by-step explanation:

Hi there!

Because this is an isosceles triangle, we know that the angles measuring (x+17°) and (4x+34°) are congruent. Knowing this, we can set up the following equation and solve for <em>x</em>:

x+17 = 4x-34

17 = 3x-34

0 = 3x-51

3x = 51

x = 17

Therefore, the value of <em>x</em> is 17.

I hope this helps!

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2 years ago
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1/5y + 1/8 =3/20 solve for y
Eddi Din [679]

Answer:

y=\frac{1}{8}

Step-by-step explanation:x_{3}

\frac{1}{5}y+\frac{1}{8}=\frac{3}{20}

multiply both sides

8y+5=6

move the constant to the right

8y=6-5

calculate

8y=1

divide both sides

y=\frac{1}{8} or y=0.125

4 0
3 years ago
On a map of a town, a school is located at (–6, 2) and a movie theater is located at (–6, –15). What is the distance from the sc
sweet-ann [11.9K]
I think it’s 17 units
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3 years ago
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