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3 years ago

I WILL GIVE YOU BRAINLY PLSS

Mathematics

2 answers:

Katyanochek1 [597]3 years ago

8 0

Answer:

Which expression represents the amount of money Nathan will collect from his aunt? C. 10 + 1.75(10.25)

How much money will Nathan collect from his Aunt? $27.93

Step-by-step explanation:

$10 is the amount of money his aunt will give, $1.75 is the additional amount of money he will be rewarded with each mile he surpasses. 1/4 is equivalent to 0.25 so It would ( 10.25 ).

So the answer to question 11 would be C.10 + 1.75(10.25)

For question 12...

10 + 1.75 x 10.25 = 27.93

***If you found my answer helpful, please give me the brainliest, please give a nice rating, and the thanks ( heart icon :) ***

ioda3 years ago

4 0

Answer:

11. C

Step-by-step explanation:

11.

y=1.75x+10

y=1.75(10.25)+10

So it's number C.

12.

y=1.75(10.25)+10

y=27.9375

He will collect $27.94

This is rounded.

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Change the following expression into a single fraction: 3ab+2b^2/ab-a+2b/a+a-2b/b

ella [17]

Answer:

c-5

Step-by-step explanation:

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2 years ago

Find the area of the region that lies under the parabola y=5x - x^2, where 1≤x≤4. I would definitely like to see some work :)

Elena L [17]

Answer:

16.5 square units

Step-by-step explanation:

You are expected to integrate the function between x=1 and x=4:

$\displaystyle\text{area}=\int_1^4{(5x-x^2)}\,dx=\left.\left(\dfrac{5}{2}x^2-\dfrac{1}{3}x^3\right)\right|_{x=1}^{x=4}\\\\=\dfrac{5(4^2-1^2)}{2}-\dfrac{4^3-1^3}{3}=37.5-21=\boxed{16.5}$

Additional comment

If you're aware that the area inside a (symmetrical) parabola is 2/3 of the area of the enclosing rectangle, you can compute the desired area as follows.

The parabolic curve is 4-1 = 3 units wide between x=1 and x=4. It extends upward 2.25 units from y=4 to y=6.25, so the enclosing rectangle is 3×2.25 = 6.75 square units. 2/3 of that area is (2/3)(6.75) = 4.5 square units.

This region sits on top of a rectangle 3 units wide and 4 units high, so the total area under the parabolic curve is ...

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2 years ago

465.8 g = blank kg Plz help if u can !!!!

alina1380 [7]

Answer:

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Step-by-step explanation:

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3 years ago

In countries that use the metric system of measurement, corn yields are sometimes expressed in quintals per hectare (q/ha) inste

Fittoniya [83]

Answer:

The answer is below

Step-by-step explanation:

Different countries have different metric system of measurement, but the metric system of measurement accepted all over the world is the international system of unit (SI unit)

1 quintal = 220.462 lbs and 1 bushel of corn = 56 lbs.

151 q/ha = (151 × 220.462) lbs/ha = 33289.762 lbs/ha

But 1 hectare = 2.471 acre, hence:

33289.762 lbs/ha = $\frac{33289.762\ lbs}{1\ ha*\frac{2.471\ acre}{1 \ ha} } =13472.182\ lbs/acre$

Since 1 bushel of corn = 56 lbs, hence:

$13472.182\ lbs/acre=\frac{13472.182\ lbs*\frac{1\ bushels}{56\ lbs} }{acre}=240.6\ bushels/acre$ = 240.6 bu/ac

For a Margin of Error: +/- 1 bu/ac, the bushels per acre = (239.6 bu/ac, 241.6 bu/ac)

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3 years ago

Simplify 1-31 +6+ (4 - 1). 8. 1.) 8 2.) 13 3.) 19 4.) 24

Veronika [31]

Step-by-step explanation:

By rule of bodmas rule

= 1 - 31 + 6 + 3 × 8

= 1 - 31 + 6 + 24

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Now without using bodmas rule

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=-15+3×8

=-15+24

=-9

MARK AS BRAINLIST IF IT IS USEFUL

6 0

3 years ago