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dybincka [34]
3 years ago
6

Twenty-seven minus 3/2of a number (x) is not more than 36. What is the number?

Mathematics
1 answer:
Zigmanuir [339]3 years ago
5 0

Twenty-seven minus 3/2of a number (x) is not more than 36.

27 - (3/2)X = 36

What is the number?

(3/2)X = 27 - 36 = - 9

X = (- 9x2)/3 = -18/3 = -6

Check

36 = 27 - (3/2)X =  27 - (3/2)x(-6) = 27 - (-18/2) = 27 - (-9) = 36

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Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 72.6 Mbp
Lapatulllka [165]

Answer:

a. 54.05 Mpbs.

b. 2.745... standard deviations.

c. The z-score is 2.745....

d. The carrier's highest data speed is significantly high.

Step-by-step explanation:

a. The difference between the highest measured data speed and the mean is 72.6 - 18.55 =  54.05 Mbps.

b. The amount of standard deviations of 54.05 Mbps is equal to this value divided by the standard deviations, so we yield \frac{54.05}{19.69} = 2.745... standard deviations.

c. The z-score is equal to the difference between the mean and a data point in standard deviations, so the z-score is 2.745....

d. 2.745... is not between -2 and 2, so the carrier's highest data speed is not insignificant - so it's significantly high.

8 0
3 years ago
How do i solve divide 5/8 by 50%
Ede4ka [16]
50% is \frac{50}{100}
We have two ways to do this, pick your favor:
either by fractions:
\frac{5}{8} ÷ \frac{1}{2}
(\frac{50}{100} =  \frac{1}{2}
Multiply by the reciprocal of \frac{1}{2} which is 2(flip it)

\frac{5}{8} × 2 = \frac{5}{4} = 1.25

Or change them to decimals:
\frac{5}{8} = 0.625
\frac{50}{100} = 0.5

0.625 ÷ 0.5

0.5 I 0.625
multiply by 10 to make it easier to divide(it still gives us the same answer)
0.5 × 10 = 5
0.625 × 10 = 6.25
     1.25
5 I 6.25
    -5
     12
    -10
       25
      -25
         0

0.625 ÷ 0.5 = 1.25

7 0
3 years ago
7 divide by k in algebric expression​
Salsk061 [2.6K]

7 devide by k in algebric function = 7/k

4 0
3 years ago
a school has 450 learners.the ratio of boys to the number of girls is 7:8 determine the number of boys and girls in the school​
Tom [10]

Answer:

Boys : 210

girls: 240

Step-by-step explanation:

7+8=15

450/15=30

boys: 30*7= 210

girls: 240

to make sure......

210+240=450

6 0
3 years ago
Simplify and Show all of your work please!
Fudgin [204]

Answer:

\Huge \boxed{\mathrm{9}}

Step-by-step explanation:

\Rightarrow \displaystyle \frac{18 \div 2 *  3}{5-2}

Dividing first.

\Rightarrow \displaystyle \frac{9 *  3}{5-2}

Multiplying and subtracting.

\Rightarrow \displaystyle \frac{27}{3}

Division.

\Rightarrow 9

7 0
3 years ago
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