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inn [45]
4 years ago
11

What is the solution to the system of equation

Mathematics
1 answer:
Alla [95]4 years ago
8 0

Hello,

Please, see the attached file.

Thanks.

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Find the value of each variable. Write the<br> equation and solve showing ALL the work.
Anit [1.1K]
The angles must add up to 360 degrees, so we can set the sum of the interior angles equal to 360 and solve for x.

106 + 94 + 135 + x + (x + 5) = 360

Combine like terms:

340 + 2x = 360

2x = 20

x = 10
6 0
3 years ago
Show steps in solving ax^2+bx+c=0
Helen [10]
Solving for A.

STEP 1 ● Add -bx to both sides.
ax^2 + bx + c + -bx = 0 + -bx
ax^2 + c = -bx

STEP 2 ● Add -c to both sides.
ax^2 + c + -c = -bx + -c
ax^2 = -bx -c

STEP 3 ● Divide both sides by x^2
ax^2 / x^2 = -bx -c / x^2
a = -bx -c / x^2

ANSWER ● a = -bx -c / x^2

Hope I helped
6 0
4 years ago
What is compare the values of the 2s and 5s in 55,220
Alina [70]

Compare Values of 2's   and   5's:

55,220

<u>5   ==>   Hundred-Thousands  Place</u>

<u>5   ==>      Ten-Thousands  Place</u>

<u>2   ==>      Thousands  Place</u>

<u>2    ==>    Hundreds  Place</u>

0   ======>          Tens  Place



Hope that helps!!!                                  : )

5 0
3 years ago
A family is tracking its spending habits. Over the
saw5 [17]

Answer: a) What is a good scale to use for the y axis? -20 units.

(b) What is a good interval to use for the y axis?- 20 units

Step-by-step explanation:

A family is tracking its spending habits. Over the  

past year, the grocery bill has ranged from $120 to $180.

We need to plot these points on a coordinate grid.

If we plot the grocery bills along the y-axis, and past years will be plotted along the x-axis.

So, a) Good scale to use for the y-axis will be

1 scale = 20 units

As 120  and 180 are both divisible by 20.

So, it will be a good scale to use for the y-axis.

b) Good interval to use for the y-axis:

It will be again of 20 units.

5 0
4 years ago
-9x+2&gt;18 AND 13x+15≤-4
meriva

Answer:

for -9x+2>18 its x<-16/9 and for 13x+15≤-4 its x<-19/13

Step-by-step explanation:

4 0
3 years ago
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