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3 years ago

Make m the subject of m+n=u

Mathematics

2 answers:

Alexandra [31]3 years ago

8 0

M+n=u
minus n both sides
m+n-n=u-n
m+0=u-n
m=u-n

Andrew [12]3 years ago

5 0

M + n = u

M as the subject:

m = u - n

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Mrs. Lofton created a histogram of her first two test grades for her class. If she combines the two tests, what percentage of th

umka2103 [35]

Answer:

14.29%

Step-by-step explanation:

Let's do the count for Test #1:

2 + 5 + 6 + 1 = 14 total students

Out of which, below 70 is 2 people [only the leftmost bar]

Let's do the count for Test #2:

2 + 3 + 5 + 4 = 14 total students

Out of which, below 70 is again 2 people [only the leftmost bar]

So, to find percentage of people below 70, we divide the below 70 number of people with total number of people.

(2+2)/(14+14) = 4/28 = 14.29%

8 0

3 years ago

What’s the exact volume of the figure?

Anna11 [10]

Answer:890.12 cm^3

Step-by-step explanation:

The formula for the volume of a cylinder is

$V=\pi *r^2*h$

V=628.3185307 cm^3

or simply

V=628.32 cm^3

Since, you know the radius of the hemisphere on top, you also know the radius since the height of the hemisphere is the same as it is wide.

Next, the formula for the volume of a sphere is

$V=\frac{4}{3} \pi *r^3$

so the volume of a hemisphere is half of that or:

$V=\frac{2}{3} *\pi *r^3$

V= 261.7993878 cm^3

or simply

V=261.80 cm^3

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or simply

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8 0

3 years ago

72 boxes sold out of 90 boxes what percent sold

Vaselesa [24]

Answer:

80%

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Six more than the difference of a number and eighteen

Neporo4naja [7]

Answer:

Equation: 6+d-18

d = difference of a number and eighteen

Idk if it helps. :|

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3 years ago

A scale drawing of an automobile has a scale of 1 in.

Paul [167]

The correct question in the attached figure

we know that
the scale is 1 in (scale drawing)= (1/2) foot (actual)-----> 1/(1/2)=2 in/ft
[scale]=[scale drawing]/[actual]
then
[scale drawing]=[scale]*[actual]
therefore
for actual width of the car 8 ft
[scale drawing]=[2 in/ft]*[8 ft]=16 in

the answer is 16 in

5 0

3 years ago