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4 years ago

PLEASE HELP!! 25 POINTS!!!

Mathematics

1 answer:

Lapatulllka [165]4 years ago

4 0

Answer:

2 Hours

Step-by-step explanation:

If Jamie is going 6 miles per hour faster than Agnes, then in 2 hour Jamie should be 12 miles ahead of Agnes

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We want to factor the following expression: (x 3)^2 14(x 3) 49(x 3) 2 14(x 3) 49(, x, plus, 3, ), squared, plus, 14, (, x, plus,

Nesterboy [21]

Answer:

$U = x$

$V=10$

Step-by-step explanation:

Given

$(x +3)^2 + 14(x + 3) + 49 = (U + V)^2$

Required

Find U and V

We have:

$(x +3)^2 + 14(x + 3) + 49 = (U + V)^2$

Expand

$x^2 + 6x + 9 + 14x + 42 + 49 = (U + V)^2$

Collect like terms

$x^2 + 6x + 14x + 9 + 42 + 49 = (U + V)^2$

$x^2 + 20x + 100 = (U + V)^2$

Expand

$x^2 + 10x + 10x + 100 = (U + V)^2$

Group

$[x^2 + 10x] + [10x + 100] = (U + V)^2$

Factorize each group

$x[x + 10] + 10[x + 10] = (U + V)^2$

Factor out x + 10

$[x + 10][x + 10] = (U + V)^2$

So, we have:

$[x + 10]^2 = (U + V)^2$

By comparison

$U = x$

$V=10$

7 0

3 years ago

6 tractors take 6 days to collect the harvest. How long would it take 9 tractors to do the same amount of work?

prohojiy [21]

T - tractors
d - days

$6t * 6d =9t*xd \\ \\ x= \frac{36td}{9td} =4$

Four days

6 0

3 years ago

Anthony repairs bicycles. He charges $5.00 for each bicycle plus $10.00 for each

ella [17]

Answer: 13 hours

First, subtract 10, which is the base cost, from 75. You will get 65. Next, divide 65 by 5, the charge for each bicycle, to get 13.

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4 years ago

Which statement is not one of the five essential parts needed to construct a good proof? a. Develop a system of inductive reason

liubo4ka [24]

Dont you need deductive reasoning for a proof? im not really sure though.

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3 years ago

11 is what percent of 300?

BabaBlast [244]

Answer: 11 is 3.667% of 300.

Step-by-step explanation: The 3.667% of 300 is 11.001, this is the closest possible to 11.

P.D. Hope this helps!

7 0

3 years ago