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Ilia_Sergeevich [38]

3 years ago

15

This spring it rained a total of 11.5 inches. This was 3 inches less than last spring. Write and solve an equation to find the a

mount of rain last season.

1 answer:

inna [77]3 years ago

5 0

Answer:

11.5-3= 8.5

Step-by-step explanation:

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SOLVE EQUATION BY TAKING SQUARE ROOTS.<br> -100+81a^2=0

IceJOKER [234]

Answer:

a = ±10/9

Step-by-step explanation:

$-100+81a^2=0\\81a^2=100\\a^2=\frac{100}{81}\\\sqrt{a^2}=\sqrt{\frac{100}{81} }\\a=10/9\\a=-10/9$

7 0

3 years ago

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PLS HELP ME FIND THE ANSWER TO THESE 2 QUESTIONS PLEASE

lisov135 [29]

Answer:

Step-by-step explanation:

116f) 5 - |p + 6| = -8

|p + 6| = 13

p + 6 = 13 OR p + 6 = -13

p = 7 OR p = -19

In this case, I think you have to plot a point at 7 and -19.

116a) |7x| = 5

7x = 5 OR 7x = -5

x = $\frac{5}{7}$ OR x = $-\frac{5}{7}$

Again, I think you need to plot points at $\frac{5}{7}$ and $-\frac{5}{7}$ .

3 0

3 years ago

Which property explains why these two expressions are equal?

ratelena [41]

Re-written, I believe the equation is:

(W+23)+5=W+(23+5)

With this, the parenthesis have nothing multiplying into it, so we can drop the parenthesis to get:

W+23+5=W+23+5
Which is the same thing.

So I'd assume it is the Associative property, because you are combining the like terms of 23 and 5.

Hope this helps!

7 0

3 years ago

Miguel conducts a survey of 750 college students to see how many of them have a part-time job. His results show that 500 of the

4vir4ik [10]

Answer:

B. 700 put of 1100

Step-by-step explanation:

Mark me as brainliest if this helps!

5 0

3 years ago

Find the missing angle

inna [77]

THEOREM:

Angle sum property —: The sum of interior angles of a triangle is 180°.

ANSWER:

Let the missing angle be x.

By angle sum property,

∠x + 20° + 80° = 180°
∠x + 100 = 180°
∠x = 180° – 100°
∠x = 80°

So, <u>Correct choice</u> - [C] 80°.

7 0

3 years ago

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