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blondinia [14]
3 years ago
5

Please help and thank you

Mathematics
1 answer:
CaHeK987 [17]3 years ago
5 0

Answer:

second one

Step-by-step explanation:

i did this on a test

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A long distance runner can run 2 miles every 17 minutes. At this rate how ling would it take the runner to run 16 miles.
VLD [36.1K]

Answer:

136 minutes

Step-by-step explanation:

Given :

2 miles ----> takes 17 min

1 mile -----> takes 17/2 min

hence the unit rate is (17/2) min per mile

Thus, 16 miles will take

= (17/2) miles per min x 16 miles

= (17/2) x 16

= 136 minutes

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4 years ago
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Veronika [31]

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Step-by-step explanation:

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3 years ago
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What is the product of 2x + y and 5x – y + 3?
hoa [83]

Answer:  The required product is 10x^2-y^2+3xy+6x+3y.

Step-by-step explanation:  We are to find the product f the following two algebraic expressions:

E_1=2x+y,\\\\E_2=5x-y+3.

To find the product of the above two expressions, we must multiply each term of the first expression with each term of the second expression.

The multiplication is as follows:

M\\\\=E_1 \times E_2\\\\=(2x+y)\times(5x-y+3)\\\\=10x^2-2xy+6x+5xy-y^2+3y\\\\=10x^2-y^2+3xy+6x+3y.

Thus, the required product is 10x^2-y^2+3xy+6x+3y.

7 0
3 years ago
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4 pictures on 1/3 of a page<br> = ________pictures/page
andrew-mc [135]

Step-by-step explanation:

4 pictures correlate to 1/3 page.

how many 1/3 pages do we need to get 1 full page ?

3, as 3 × 1/3 = 3/3 = 1.

so, to keep the ratio, we need to multiply also the pictures by 3 and get

4×3 = 12 pictures per page

5 0
2 years ago
HI PLASE HELP -3x-4&lt;5
Dmitry_Shevchenko [17]

Answer:

-3

Step-by-step explanation:

-3x - 4 < 5

-3x < 9

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3 0
3 years ago
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