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My name is Ann [436]
3 years ago
8

Brainliest and points!!

Mathematics
1 answer:
bezimeni [28]3 years ago
7 0

Answer:

5

Step-by-step explanation:

1 x 5 = 5

5 x 5 = 25

25 x 5 = 125

125 x 5 = 625

and so on and so on

5 + 5 = 10 5 + 5 = 10

10 + 10 = 20

20 + 5 = 25

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Two boys decided to buy a computer. The second boy had 5 6 of the money the first had. The first boy had 7 8 of the price of the
sdas [7]

Answer: The price for the computer = $1152

Step-by-step explanation:

Let the first boy = F

Let the second boy = S

Let the price of computer = C

The second boy had 5/ 6 of the money the first had. I.e

S = 5/6 F

Then F = 6/5S ......(1)

The first boy had 7 /8 of the price of the computer. That is

F = 7/8C ....... (2)

Substitute F in (1) into (2)

6/5S = 7/8C

S = 5/6 × 7/8C

S = 35/48C ......(3)

Together they had $696.00 more than they need to pay. That is

F + S = C + 696 ........ (4)

Substitute equation 2 and 3 into 4

7/8C + 35/48C = C + 696

0.875C + 0.729C = C + 696

0.604C = 696

C = 696/0.604

C = 1152 dollars

Therefore, the price for the computer = $1152

7 0
3 years ago
Read 2 more answers
A chemist is using 331 milliliters of a solution of acid and water. If 16.2% of the solution is acid, how many milliliters of ac
Anna35 [415]

9514 1404 393

Answer:

  53.6 mL

Step-by-step explanation:

The amount of acid is 16.2% of 331 mL, or ...

  0.162 × 331 mL = 53.622 mL

There are about 53.6 mL of acid in the solution.

4 0
3 years ago
Pls help!!<br><br> Solve and graph the inequalities
KatRina [158]

Answer:

x≤−15

Step-by-step explanation:

4 0
2 years ago
When solving a quadratic, which property do use to
dem82 [27]

Answer:

As we can see multiplication of 5 and 1/5 is 1. It is obtained by inverse property of multiplication because according to this if number multiply by its reciprocal is equal to one.

And we can say 1/5 is a reciprocal of 5.

So it is inverse property.

So option b is correct.

Step-by-step explanation:

8 0
3 years ago
Anya makes a scale drawing of a bug. The scale of the drawing’s length to the actual bug’s length is 2 inches: 1/8 inch. The act
ioda
<h2>Hello!</h2>

The answer is: The Anya's drawing is 6 inches long.

Have a nice day!

<h2>Why?</h2>

To solve this problem, we need to consider the drawing's length with respect to the actual bug's size, so, the scale factor is:

2in:\frac{1}{8}in\\\\2x(in):\frac{3}{4}in

So, how long is Anya's drawing of the bug?

We can find it, using the following equation:

(2x)in=\frac{2in*\frac{3}{4}in}{\frac{1}{8}in}=\frac{\frac{6}{4}in}{\frac{1}{8}in}=\frac{\frac{3}{2}in }{\frac{1}{8}in}\\\\(2x)in=\frac{\frac{3}{2}in }{\frac{1}{8}in }=\frac{3}{2}in*\frac{8}{1}in=12in^{2}\\\\(2x)in=12in^{2} \\\\x=\frac{12in^{2} }{2in}=6in

Hence, the Anya's drawing is 6 inches long.

Have a nice day!

7 0
3 years ago
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