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3 years ago

Someone, please answer this question and I will mark brailiest.

Mathematics

1 answer:

klio [65]3 years ago

5 0

Answer:

7 1/2

Step-by-step explanation:

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Solve the system below by substitution. Give your answer as an ordered pair.

bearhunter [10]

Work:
2x+5(6x+23)=-13
2x+30x+115=-13
32x=-128
x=-4

y=6(-4)+23
y=-24+23
y=-1

The answer is (-4,-1)

Hopefully this helps!

6 0

4 years ago

Please help!<br><br> Find the product AB, if possible. Explain if it's not possible.

soldi70 [24.7K]

Answer: c

<u>Step-by-step explanation:</u>

When multiplying matrices, multiply ACROSS with the left matrix and DOWN with the right matrix.

$\text{Example}:\left[\begin{array}{cc}a&b\\c&d\end{array}\right] \times \left[\begin{array}{c}x\\y\end{array}\right] =\left[\begin{array}{c}ax+by\\cx+dy\\\end{array}\right]$

$\left[\begin{array}{cc}5&2\\3&-1\end{array}\right] \times \left[\begin{array}{c}2\\3\end{array}\right] =\left[\begin{array}{c}5(2)+2(3)\\3(2)-1(3)\\\end{array}\right] = \left[\begin{array}{c}16\\3\end{array}\right]$

8 0

3 years ago

PLEASE HELP

Andru [333]

ANSWER

$q = - 7p$

EXPLANATION

The constant difference of p values is

4-2=2

The constant difference of the 'q' values is

-28--14=-14

The function is of the form:

$q = m(p - p_1) + q_1$

where

$m = \frac{change \: in \:q }{change \: in \: p}$

$m = \frac{ - 14}{2} = - 7$

We plug in the values to get;

$q = - 7(p - 2) + - 14$

Expand:

$q = - 7p + 14+ - 14$

Simplify:

$q = - 7p$

8 0

3 years ago

(60 Points)

ziro4ka [17]

Answer:

Graph 1

Step-by-step explanation:

The reason for the answer being graph one is because the equation |x| = 1 means the absolute value of x could either be 1 or -1 , resulting in points rather than lines as the equation is already solved rather then being less than or greater than.

Hope this helps!

8 0

3 years ago

Can someone answer this

eduard

The denominator would be is 2-1

8 0

3 years ago

Read 2 more answers