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3 years ago

9

Please Tell me what the answer

1 answer:

Helga [31]3 years ago

3 0

OK for number 3is 70because you add the number that they give you and then subtract 36 106 and you get your answer

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One solution of x^2-25=0 is 5 what is the other solution

zepelin [54]

Add 25 to both sides:

$x^2 = 25$

Square root both sides.

When you square root a perfect square, you will get a plus/minus result:

$\sqrt{25} = \pm 5$

$x = \pm 5$

$\boxed{x = -5} \land \boxed{x = 5}$

The other solution to this answer is x = -5.

5 0

3 years ago

The measure of an interor angle of a regular polygon is given. Find the number of sides in the polygon.

EleoNora [17]

Let side be n

#1

$\\ \sf\longmapsto 120n=(n-2)180$

$\\ \sf\longmapsto 120n=180n-360$

$\\ \sf\longmapsto -60n=-360$

$\\ \sf\longmapsto n=6$

#2

$\\ \sf\longmapsto 160n=(n-2)180$

$\\ \sf\longmapsto 160n=180n-240$

$\\ \sf\longmapsto -20n=-240$

$\\ \sf\longmapsto n=12$

#3

$\\ \sf\longmapsto 144n=(n-2)180$

$\\ \sf\longmapsto 144n=180n-360$

$\\ \sf\longmapsto -36n=-360$

$\\ \sf\longmapsto n=10$

6 0

2 years ago

A(x)=(x-3)(x-8)<br> how do you re-write to standard form

pshichka [43]

Answer:

Step-by-step explanation:

$x^{2} -8x-3x+24$

$x^{2} -11x+24$

6 0

3 years ago

What is the slope of the line that passes through the points ( −8,−1) and (-12,-2)

omeli [17]

Answer:

1/4

Step-by-step explanation:

We can find the slope of a line given two points from the formula

m = (y2-y1)/(x2-x1)

= (-2--1)/(-12--8)

= (-2+1)/(-12+8)

=-1/-4

= 1/4

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2 years ago

Write a word problem using the numbers 506 and 8. Then solve

natka813 [3]

Answer:

Billy is a fly enthusiast! He has a huge glass container filled with 506 flies! One day when Billy went to feed the flies, he accidentally left the screw opened for too long, and 8 flies escaped! How many flies are left in the tank?

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3 years ago