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VLD [36.1K]
4 years ago
5

Solve for x: 7/8-1/x=3/4

Mathematics
2 answers:
fiasKO [112]4 years ago
6 0
7/8-1/x=3/4
subtract 3/4 and 7/8
then get x=8
satela [25.4K]4 years ago
5 0

7/8 - 1/x = 34

Rewrite 3/4 to have a common denominator as 7/8:

3/4 x 2 = 6/8

Now you have 7/8 - 1/x = 6/8

The fraction being subtracted would also have a common denominator, so x would be 8.

x = 8

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Pls help im so bad at math
Kamila [148]

Angle E and D are supplementary and need to equal 170 when added together.

Angle D = 180-35 = 145

Angle D is split into two with part of it being 44

The missing angle is 145-44 = 101 degrees

The answer is 101

5 0
3 years ago
A researcher in a Human Resources Unit presented a recent study, which showed a statistical significance between length of staff
alexgriva [62]

Answer:

To explain to her manager that her research does not mean the length of staff lunch breaks should be reduced, the best thing to say from the options is:

A significant result does not mean that the effect is important.

Step-by-step explanation:

1. Saying "A significant result means that the effect is strong.", she is contradicting the message she is trying to pass across, as this would only trigger her manager to reduce the length of lunch break. The manager would take very seriously anything that has a strong effect on their productivity.

2. Saying "A significant result means that the effect is not relevant" wouldn't pass her intended message across. The effect might not be relevant to productivity, but will be relevant to another department, so something would be done about their lunch time break.

3. Saying "A significant result does not mean that the effect is important", she would pass her message very clearly. The manager would hear of a negligible effect, and would not worry about any effect of their lunch break time.

4. Saying "A significant result means that the effect is weak", she sounds direct, admitting that there is an effect, but a weak one. That is not good enough.

3 0
4 years ago
In triangle ABC, you know that a = 2, b = 3 and m < A = 30°. Which option below lists the number of triangles and gives the c
zhenek [66]
Apply the Law of Sines.
sinB/b = sinA/a
sinB/3 = sin(30°)/2
sinB = (3/2)sin(30°) = 0.75

Therefore
bsinA = 3*sin(30) = 1.5
0.5b = 0.5*3 = 1.5

Answer:
There is exactly one triangle because b sinA  = 0.5b.
8 0
4 years ago
Read 2 more answers
Find the length of arcAB. *
Naddik [55]

I hope this helps you

4 0
4 years ago
Sally has x books that weigh 2 pounds each and 8 books that weigh 3 pounds each. the total weight of her books is 62 pounds. whi
Sholpan [36]
If Sally has x books that are 2 pounds then her x books weights a total of 2x lbs.

8 books of 3 lbs weights 8*3=24lbs

All them add up to 62, therefore we can conclude to the equation :
2x+24=62
or we can simplify to
2x=38
or even
x=19
5 0
4 years ago
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