3 years ago

Evaluate the expression for x= 13, y = 7: y + 5 Enter the correct answer.

Mathematics

2 answers:

lara [203]3 years ago

8 0

Answer:

Step-by-step explanation:

Alenkinab [10]3 years ago

7 0

The answer is 12 because the x does not matter, due to the fact that there is no x in the equation. Hence forth, the answer is 12, because it is 7+5

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2. Find (w2 + 1)(w3 - W+1).

12345 [234]

Answer:

$w^{5} + w^{2} - w + 1$

Step-by-step explanation:

We have to find the simplified expression of $(w^{2} + 1) (w^{3} - w + 1)$ .

Now, we have to multiply each term using the distributive property of multiplication.

So, $(w^{2} + 1) (w^{3} - w + 1)$

= $w^{2} \times (w^{3} - w + 1) + 1 \times (w^{3} - w + 1)$

= $(w^{5} - w^{3} + w^{2} ) + (w^{3} - w + 1)$

= $w^{5} + w^{2} - w + 1$ (Answer)

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3 years ago

Three of the angles of a polygon are

Liono4ka [1.6K]

Answer:

three angles of a polygon are each 105.5,the sum of the angles in the polygon is 2520. find each of the other angles if they are equal to each other. For a polygon with n sides and n angles, the sum of the measures of all the interior angles equals (n-2)180 degrees. 16-3=13

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3 years ago

What is the solution of the system of equations? y = –3x + 8 y = –5x – 2

jekas [21]

$y=-3x+8 \\ y=-5x-2 \\ \\ -3x+8=-5x-2 \\ -3x+5x=-2-8 \\ 2x=-10 \\ x=- \frac{10}{2} \\ x=-5 \\ y=-3(-5)+8=15+8=23 \\ \\ \boxed{-5,23}$