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densk [106]
3 years ago
11

×^2+4x-5/×^2+7x+1

%7Bx%20%7B%7D%5E%7B2%7D%20%2B%207x%20%2B%201%20%7D%5E%20%7B%20%7D%20%20%20%7B%20%7D%20" id="TexFormula1" title=" \frac{ {x}^{2} + 4x + - 5 } {x {}^{2} + 7x + 1 }^ { } { } " alt=" \frac{ {x}^{2} + 4x + - 5 } {x {}^{2} + 7x + 1 }^ { } { } " align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Serjik [45]3 years ago
6 0
(4x2 – 4x – 7)(x + 3)

(4x2 – 4x – 7)(x) + (4x2 – 4x – 7)(3)

4x2(x) – 4x(x) – 7(x) + 4x2(3) – 4x(3) – 7(3)

4x3 – 4x2 – 7x + 12x2 – 12x – 21

4x3 – 4x2 + 12x2 – 7x – 12x – 21

4x3 + 8x2 – 19x – 21

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Samuel has an ant farm with a volume of 375 cubic inches. The width of the ant farm is 2.5 inches and the length is 15 inches. W
Alexxandr [17]

Answer:

Step-by-step explanation:

From the given information, it is clear that the shape of ant form is rectangular prism.

Let us write formula for volume of rectangular prism (ant form)

V = l x w x h

Use the formula to write an equation.

Plug V = 375, w = 2.5 and l = 15

375 = 15 x 2.5 x h

375 = 37.5 x h

Divide both sides of the equation by 37.5

375/37.5 = (37.5 x h)/37.5

10 = h

Hence, the height of the form is 10 inches.

6 0
3 years ago
Alyssa accepted a new job at a company with a contract guaranteeing annual raises. Alyssa will get a raise of $4000 every year a
Ksivusya [100]

Answer:

S = 4000n + 4500

Step-by-step explained

S = 4500

N = 0

Slope = 4000

Answer - S=4000n + 45000

7 0
3 years ago
For every pound a company spends on advertising,it spends £0.75 on its website.Express the amount spend on advertising to the am
Sidana [21]
It would end up being 1.50 at the end of the day
6 0
2 years ago
If you have drums that hold 60 gallons and you need to ship out 5,300 liters of liquid, how many drums will you need? Remember:
Serga [27]
You will need 89 drums to ship out 5,300 liters if each drum holds 60 gallons.
4 0
3 years ago
Tim predicts he will get 98 points on the next exam. If Tim actually earned 62 points, what was Tim's percent error? Round your
cupoosta [38]
% change= (new # - original #) ÷ original # x 100

original #= 98
new #= 62

% change= (62-98)/98 x 100
= -36/98 x 100
= -0.36734 x 100
= -36.73%

Rounded to nearest 10th of %= -36.7%

CHECK:
= 98 - (98 * 36.73%)
= 98 - (98 * 0.3673)
= 98 - 36
= 62 new #

ANSWER:
Her percent error was 36.7% (rounded to the nearest tenth of a percent). The negative indicates a decrease.

Hope this helps! :)
5 0
3 years ago
Read 2 more answers
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