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BARSIC [14]
3 years ago
6

I need help please help

Mathematics
2 answers:
Molodets [167]3 years ago
7 0

Answer:

5.5 hours.

Step-by-step explanation:

Didn't I already answer this for you? I gave you the step by step and everything.

slava [35]3 years ago
4 0

Answer:

Expression: 5c+9y = income

Step-by-step explanation:

c- Mr. and Mrs. Cox and her one daughter (5 per hour)

y- Mr. and Mrs. Stenvenson and their three kids (9 per hour)

soo it would be 5c+9y

You might be interested in
PLEASE HELP!<br><br> What is AD? <br><br> A. 15 <br><br> B. 12 <br><br> C. 3 <br><br> D. 20
ki77a [65]

Answer:

A. 15

Step-by-step explanation:

To solve this you need to compare the lengths given to you in the question statement.

Because the lines originate from a single point, they're like triangles.  We can easily see a triangle AGF and a triangle ADE, right?

Both triangles are similar triangles, so we can see triangle ADE as a larger version of angle AGF.

They give you the dimension of A F and A E (through A F + F E) to establish a ratio... and they give you A G, asking for A D.

So, A F = 16, A E = 20 (16 + 4), A G = 12.

Since A D is to A G what A E is to A F, we can easily make the following cross-multiplication:

\frac{A D}{A G} = \frac{A E}{A F}

So, A D = (A G * A E)/A F

A D = (12 * 20) / 16 = 15

3 0
3 years ago
The library at school is organized by fiction and non-fiction books. There are 3 non-fiction books for every 7 fiction books. Ho
sweet [91]

Answer:

Total = 800 books

Step-by-step explanation:

It is given that,

In a library, there are 3 non-fiction books for every 7 fiction books. It means that the ratio of non-fiction books to the fiction books is 3:7.

There if the library has 240 non-fiction books.

Let non fiction books are 3x and fiction books are 7x.

ATQ,

3x=240

x=80

Fiction books = 7x = 7(80) = 560

Total no of books = fiction books + non-fiction books

= 240 + 560

=800

Hence, the total no of books are 800.

7 0
3 years ago
Which of the following numbers are factors of 16 and 20?
qaws [65]

Answer:

The set of factors of 20 is {1, 2, 4, 5, 10, 20} and the set of factors of 16 is {1, 2, 4, 8, 16}. {1, 2, 4, 5, 10, 20} ∩ {1, 2, 4, 8, 16} = {1, 2, 4} which has greatest value 4. So, GCF(20, 16) = 4.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
5x - 4 &gt; 12 or 12x + 5&lt; -4?
Charra [1.4K]

Answer:

3.2 and -0.75

Step-by-step explanation:

5x - 4 > 12

add 4 to the both sides

5x > 12 + 4

5x > 16

divide both sides by 5

x > 16/5

x > 3.2

12x + 5< -4

subtract 5 from both sides

12x < -9

divide both sides by 12

x < -0.75

7 0
4 years ago
1,409,836 to the nearest ten-thousand
ddd [48]

Answer: 1,410,000

Hope this helps you out! ☺

3 0
3 years ago
Read 2 more answers
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