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boyakko [2]
3 years ago
14

4(x+7)=38 what is x and explain please

Mathematics
2 answers:
KIM [24]3 years ago
5 0
The answer is 2.5.
blagie [28]3 years ago
3 0
4(x+7)=38
4x + 28 = 38 - distribute the 4 into x and 7
4x = 10 - subtract 28 from both sides
x = 2.5 - divide both sides by 4 to get x by itself

answer - x = 2.5
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Applying the concepts. Need help finding the value.
luda_lava [24]

we can use formula

log_ab=\frac{ln(b)}{ln(a)}

log_23*log_34*log_45*log_56*log_6 7 *log_7 8=\frac{ln(3)}{ln(2)}*\frac{ln(4)}{ln(3)}*\frac{ln(5)}{ln(4)}*\frac{ln(6)}{ln(5)}*\frac{ln(7)}{ln(6)}*\frac{ln(8)}{ln(7)}

now, we can cancel terms

and then we can simplify it

log_23*log_34*log_45*log_56*log_6 7 *log_7 8=\frac{ln(8)}{ln(2)}

log_23*log_34*log_45*log_56*log_6 7 *log_7 8=\frac{ln(2^3)}{ln(2)}

log_23*log_34*log_45*log_56*log_6 7 *log_7 8=\frac{3ln(2)}{ln(2)}

now, we can simplify it

and we get

log_23*log_34*log_45*log_56*log_6 7 *log_7 8=3...........Answer

5 0
3 years ago
janice bought a refrigerator that is 2 1/2 feet wide, 3 1/2 feet tall, and 4 1/2 feet deep. how much space will the new refriger
loris [4]
You would use the Volume equation L*W*H=V
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6 0
3 years ago
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lisov135 [29]
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Write the quadratic function in vertex form. y = x2 - 16x + 66
butalik [34]
Hello : 
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3 0
3 years ago
Read 2 more answers
What is the solution to the equation 1/4 × +2= 5/8x-5?
egoroff_w [7]

Step 1. Divide by the numbers 0.25 (1 divided by 4):

0.25 x +2=5 divided by 8x-5

Step 2. Divide the by the numbers 0.625 (5 divided by 8):

0.25 x +2=0.625x-5

Answer: 0.25 + 2= 2.25

Please correct me if I'm wrong, hope I could help! :)

5 0
3 years ago
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