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KIM [24]
3 years ago
12

X + 4.2 = 7 what is x

Mathematics
1 answer:
ANEK [815]3 years ago
6 0

In this question, you're solving for x.

Solve for x:

x + 4.2 = 7

You need to get x by itself, to do so, you would need to subtract 4.2 from both sides:

x = 2.8

Answer:

x = 2.8

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Which is the longest?<br> A. 2 km<br> B. 25 m<br> C. 2,500 cm<br> D. 3,000 mm
Leona [35]
2km=2000m
25m=25m
2500cm=25m
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Hence the longest is 2km=2000m
8 0
2 years ago
{4x+10y=8<br>{4x+3y=22<br><br>x=<br>y=​
Damm [24]

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Step-by-step explanation:

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8 0
3 years ago
In ∆abc, m∠cab = 2x and m∠​acb = x + 30. if line segment a b is extended through point b to point d, m∠​cbd = 5x − 50. what is t
Allisa [31]
The answer is option "3, 40".

<span>m∠cab = 2x
m∠​acb = x + 30
m∠​cbd = 5x − 50
Now,
</span>m∠cab + m∠​acb = m∠​cbd 
2x+x+30 = 5x-50
2x+x-5x = -50-30
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x = 40


7 0
3 years ago
-<br> Which of the following are alternate exterior angles?
faust18 [17]

Answer:

Are a pair of angles on the outer side of each of those two lines but on opposite sides of the transversal.

4 0
3 years ago
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