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3 years ago

⭐️ Anyone know how to work this?...

Mathematics

1 answer:

Alenkasestr [34]3 years ago

6 0

4 + 16 + 36 + 64
so its 120

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Solving systems of equations using substitution y=7 3x-3y=-18

oksano4ka [1.4K]

Answer:

x = 1

Step-by-step explanation:

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5 0

3 years ago

F(x)=23x−1 and g(x)=−4x+6.

USPshnik [31]

The transformation occurs from function g is a vertical translation 6 units down.

<h3>What is Transformation?</h3>

A function f, usually with some geometrical underpinning, that maps a set X to itself, i.e. f : X → X.

Given:

g(x) = 4x + 6

g(x) = 0

4x + 6=0

x= -6/4

Now,

f(-6/4) = 2 - 1

=-1

By seeing g(x), we can say that function g is a vertical translation 6 units down.

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2 years ago

If 9 people had a some pizza and there was 2 boxes how many pizzas was left

Afina-wow [57]

They are 18 pizzas left

8 0

4 years ago

your classroom received 150 books. You are placing them in bins. Each bin holds 20 books. How man bins do you need?

Serhud [2]

You will need 7 because 150 divided by 20 is 7

7 0

3 years ago

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What is the solution to this system of equations? x 2 y = 4. 2 x minus 2 y = 5. (3, Negative 5 and one-half) (3, one-half) no so

Talja [164]

The solution of the equation is (3, 1/2).

<h2>We have to determine</h2>

What is the solution to this system of equations?

<h3>According to the question</h3>

The given system of the equation;

$\rm x+2y=4\\
\\
2x-2y=5$

<h3>The standard form for linear equations in two variables is;</h3>

$\rm Ax+By = C$

On comparing equation 1 and equation 2 with the standard form we get,

$\rm a_1 = 1,\ b_1 = 2,\ c_1=4\\
\\
a_2=2, \ b_2=-2, \ c_1 = 5$

Here,

$\rm \dfrac{a_1}{a_2} = \dfrac{1}{2}\\
\\
\dfrac{b_1}{b_2} = \dfrac{-2}{2} = -1\\
\\
\dfrac{a_1}{a_2} \neq \dfrac{b_1}{b_2}$

Here, $\rm \dfrac{a_1}{a_2} \neq \dfrac{b_1}{b_2}$ so, the given system of equations has a unique solution.

Then,

The solution of the equation is;

$\rm x+2y=4\\\\2x-2y=5$

On adding both the equation;

$\rm x+2y+2x-2y=4+5\\
\\
3x=9\\
\\
x = \dfrac{9}{3}\\
\\
x = 3$

Substitute the value of x in equation 1,

$\rm x+2y=4\\
\\
3+2y = 4\\
\\
2y = 4-3\\
\\
2y=1\\
\\
y =\dfrac{1}{2}$

Hence, the solution of the equation is (3, 1/2).

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7 0

3 years ago

Read 2 more answers