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vekshin1
3 years ago
6

Simplify the expression. 1) 10x - x + 2 + 10

Mathematics
1 answer:
dsp733 years ago
5 0

Answer:

9x+12

Step-by-step explanation:

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Solve system by Substitution<br> method, provide steps.<br> y = 5x - 18<br> -5x+6y = 17
Sedaia [141]

Answer:

x=5

Step-by-step explanation:

-5x+6(5x-18)=17

-5x+30x-108=17

25x-108=17

25x=17+108

25x=125

x=5

5 0
3 years ago
Rain fell on four days in June. These amounts were recorded: 5 mm, 9 mm, 2 cm, and 2.6 cm. What was the total rainfall for June?
ivolga24 [154]
Hello there

The correct answer in mm would be 60 mm

1 cm = 10 mm

So it would 5+9+20+26 = 60

In cm it would be 6 cm

10 mm = 1 cm

.5+.9+2+2.6 = 6

I hope this helped ^^
8 0
3 years ago
Three sets of a sum of a number and four are added to the sum of 7 times the same number and 13
Reika [66]
Let
x--------------> a number

we know that
<span>three sets of a sum of a number and four----------> 3(x+4)
t</span><span>he sum of 7 times the same number and 13--------> 7x+13

therefore

</span>(Three sets of a sum of a number and four) are added (to the sum of 7 times the same number and 13) ----------> [3(x+4)] + [7x+3]

[3(x+4)] + [7x+3]------> [3x+12] + [7x+3]=10x+15

the answer is 10x+15


5 0
3 years ago
Which credit card should receive the highest payment if Max snowballs his debt according to the interest rate?
irina [24]

Answer:D

Step-by-step explanation:

4 0
3 years ago
What is the value of x?<br><br> - 40<br> - 70<br> - 140<br> - 160
Lilit [14]
70
because the little lines on the lines mean that the bottom two angles are the same
180-40=140
140/2=70
8 0
3 years ago
Read 2 more answers
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