Please help will mark Brainly

Mathematics

1 answer:

iris [78.8K]3 years ago

8 0

The answer is D. For every week, she is giving away 10 pencils which means Mrs. Doyal is removing pencils from the 150 pencils she already has by “-10x”. Hope this helps c:

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N/15 = 17/34 what does N equal

Tasya [4]

Cross multiply 34(n)=17(15) gives you 34n=255 then divide which gives you the value of n which is 7.5 or 7 1/2.

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3 years ago

Express the following into standard form<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B3500000000%7D%20" id="TexFormu

riadik2000 [5.3K]

Answer:

350000

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3 years ago

Please help with this! <br><br> Tell whether x and y show direct variation. True or False?

MAVERICK [17]

False you wlecomeeeee

6 0

3 years ago

Someone plz answer the 12th question fast plz

jek_recluse [69]

Answer:

2000.8 m or 2km height

(π 0.07^2)×2000 = 30.78 m^3.

Step-by-step explanation:

The total surface area of a cylinder of radius 7 cm is 880 m^2. Find the height and the volume of the cylinder.

"A cylinder is flat" according to curvature theory (unlike a sphere, where triangle angles can add to more than 180°). So unwrap it and compute area as circumference times height, or height as area divided by circumference. 880m^2 / (2 π 0.07 m) gives height = 2000.8 m or 2km (!!)

The volume of a cylinder is cross section area times height. (π 0.07^2)×2000m = 30.78 m^3.

4 0

3 years ago

Simplify the fourth root of seven to the fifth power

Svetllana [295]

Answer:

11.5

Step-by-step explanation:

4th route of 7 is 1.63

1.63 to the 5th power is 11.5

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3 years ago