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atroni [7]
3 years ago
7

Can I have some help please

Mathematics
1 answer:
atroni [7]3 years ago
6 0
Just cross multiply. 
Multiply 5 and y getting 5y as your answer. Multiply 7 and 4 getting 28 as your answer.
5y=28
you answer would be 5/6

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Find the distance traveled in 27.9 minutes
Ymorist [56]

Answer:

A

Step-by-step explanation:

d = 0.5 * t    There are no conversions. You just substitute the value for t.

d = 0.5 * 27.9

d = 13.95 which is A

5 0
3 years ago
a factory could produce 84 toy robots in one day. They purchased some new equipment. Now they can produce 105 robots in one day.
kompoz [17]

Answer:

The answer to the question is

25 % increase in production rate

Step-by-step explanation:

To solve the question, we note that

Initial number of products = 84 toy robots per day

Present production rate = 105 robots per day

The percentage increase is given by the increase in production rate divided by the original production rate multiplied by 100  

Where increase in production rate = 105 - 84 = 21

Percentage increase = 21/84 ×100 = 25 % increase

3 0
3 years ago
Rebecca went swimming yesterday. After a while she had covered one fifth of her intended distance. After swimming six more lengt
alukav5142 [94]

Answer:

Option E.

Step-by-step explanation:

Let the intended length of Rebecca's swimming is = x units

and we assume the length of the pool = l units

Now it is given in the question that " She covers one fifth of her intended distance "

That means distance covered = \frac{x}{5}

" After swimming six more lengths of the pool she had covered one quarter of her intended distance"

So \frac{x}{5}+6(l)=\frac{x}{4}

6l=\frac{x}{4}-\frac{x}{5}

6l=\frac{x}{20}

x = 20×(6l)

x = 120l

Therefore, Rebecca has to complete 120 lengths of the pool.

Option E is the answer.

4 0
2 years ago
Which shape could be thought of as being created by stacking congruent polygons
Colt1911 [192]

When they talk about congruent polygons, they meant geometric figures that are all equal in shape and size.

It's angled, and the side length is equal too.

When you piled equal polygons, you'll end up with what we call prisms. It's the 3D form of a polygon.

If you stack squares, you'll have a cube.

If you stack octagons, you'll have an octagon prism.

7 0
3 years ago
Read 2 more answers
I will report u if you dont answer and take the points
IRINA_888 [86]

Answer:

A

Step-by-step explanation:

A point estimate is the sample value which is used to estimate the population parameter

Sample characteristics for population mean is sample mean, which is 16.5

4 0
3 years ago
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