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Citrus2011 [14]
3 years ago
14

13. Solve 5/3x + 1/3x=13 1/3 + 8/3x

Mathematics
1 answer:
N76 [4]3 years ago
7 0

Answer:

The answer: 53x+13x=1313+83x

Step 1: Simplify both sides of the equation.

53x+13x=1313+83x

(53x+13x)=83x+1313(Combine Like Terms)

2x=83x+1313

2x=83x+1313

Step 2: Subtract 8/3x from both sides.

2x−83x=83x+1313−83x

−23x=1313

Step 3: Multiply both sides by 3/(-2).

(3−2)*(−23x)=(3−2)*(1313)

x=−1312

Answer:

x=−131/2

Step-by-step explanation:

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3 years ago
classify the pair of angles. (supplementary, adjacent, vertical, or complementary) then find the value of x.
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Step-by-step explanation:

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8 0
2 years ago
In ΔBCD, the measure of ∠D=90°, the measure of ∠B=71°, and DB = 67 feet. Find the length of BC to the nearest tenth of a foot.
PSYCHO15rus [73]

Answer:

in triangle BCD

relationship between base and hypotenuse is given by cos angle

cos 71=b/h

cos71=BD/BC

cos71=67/x

x=67/cos71=205.8ft.

the length of BC to the nearest tenth of a foot is 206ft.

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3 years ago
What is the value of x? 6.75 + 3/8 x = 13 1/4
wolverine [178]
6.75 + 3x/8 = 13.25
3x/8 =13.25 - 6.75
3x/8 = 6.5
3X = 6.5 x 8
3x = 52
x= 52/3

So your answer would be 52/3 :)
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