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Zinaida [17]
2 years ago
7

If 2/3x − 1 = 4, then x=

Mathematics
2 answers:
german2 years ago
8 0

Answer: 15/2

Step-by-step explanation:

\frac{2}{3} x-1=4\\\\\frac{2}{3}x=5\\ \\x=5(\frac{3}{2})\\\\x=\frac{15}{2}

Mrrafil [7]2 years ago
7 0

Answer: 15/2 or 7.5

Step-by-step explanation:

2/3x = 5

5 divided by 2/3 or 5 x 3/2

= 15/2 or 7.5

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Two sides of a right triangle measure 5 inches and 6 nches, and the third side measures 61 inches.
Advocard [28]

Answer:

The length of the third side is 7.81 inches and the perimeter of the triangle is about 18.81 inches

Step-by-step explanation:

4 0
3 years ago
Terri has 7 pens in a box.
lora16 [44]

a) I have attached an image of a probability tree diagram.

b) 0.02332 (please round to where you need)

The probability that Terri chooses a blue pen is 2/7. The probability that Terri chooses a red pen is 4/7. The probability that Terri chooses neither a red nor blue pen is 1/7.

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Hope this helps! :)

6 0
3 years ago
Is it parallel or is it perpendicular?
zavuch27 [327]
It is parallel, which means that the new line should have the same slope of the given line y=-5/4  x+7
and the slope is the coefficient of x 
so the slope = -5/4
in order to solve this problem we have to know the equation of the slop
slope=  \frac{y-y1}{x-x1}
where (x1,y1) is the point by which the new line passes through 

\frac{-5}{4}=\frac{y-(-4)}{x-1}
\frac{-5}{4}= \frac{y+4}{x-1}
-5(x-1)=4(y+4)
-5x +5=4y+16 (by subtracting 16 from both sides)
-5x -11= 4y (divide both sides by 4)
y= \frac{-5}{4}x - \frac{11}{4} 
4 0
3 years ago
I need help......................
ivann1987 [24]

Answer:

D. i think

Step-by-step explanation:

Hope this helps!

5 0
3 years ago
Read 2 more answers
Keion is calculating his expenses from his work trip to San Francisco. Below is the expense log he kept while traveling.
telo118 [61]

Answer:

D

Step-by-step explanation:

379.00 - 15.00 + 154.00 x 3 + 65.00 + 13.00 = 904

0.55 x 63 = 34.65

34.65 + 904 = 938.65

7 0
3 years ago
Read 2 more answers
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