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Nimfa-mama [501]
3 years ago
13

-30=4-8x solve for x

Mathematics
1 answer:
Alisiya [41]3 years ago
8 0

Answer: x=4.25

Step-by-step explanation:

-30=4-8x

subtract 4 from both sides

-8x=-34

divide by -8 on both sides

x=4.25

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Mount Everest is 8,850m tall. Convert the height to kilometers.
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Step-by-step explanation:

8,850m = 8,850 m⋅1 km / 1,000 m

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H is the circumcenter, or point of concurrency, of the perpendicular bisectors of ΔACE.
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Answer:

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Step-by-step explanation:

yup

7 0
3 years ago
What is 5 2/5 subtract 2 1/15?
STatiana [176]
5 2/5 would be converted to 5 6/15. you would then subtract the numerators and the whole numbers, giving you 3 5/15, which simplifies to 3 1/5
7 0
2 years ago
Read 2 more answers
If 2a-b:2a+b=1:2find the value of a:b​
weqwewe [10]

Answer & Step-by-step explanation:

2a - b : 2a + b = 1 : 2

2a - b = 1

-                         Elimination

2a + b = 2

-b - (b) = -1

-2b = -1

b = 0.5

---------------------------------------------------------------------------------

2a + b = 2           Substitution

2a + 0.5 = 2

2a = 1.5

a = 0.75

--------------------------------------------------------------------------------------

a:b

0.75 : 0.5

or

3/4 : 1/2

Hope this helps!!!

 

3 0
3 years ago
Write a proportion for 56% of a number is 244
Misha Larkins [42]
\frac{56}{100} =  \frac{244}{x} So, You cross multiply and get 56x=244(100). Simplify and you get 56x=24400. Divide each side by 56 and you get 435.71. 56% of about 435.71 is 244.
6 0
3 years ago
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