Plz help me step by step explanation would help for work plzzzz And Thank you PLEASE

Mathematics

2 answers:

lorasvet [3.4K]2 years ago

6 0

Answer:

r = -43. that's the result

AnnyKZ [126]2 years ago

3 0

Answer:

i hope this helps

Step-by-step explanation:

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A crew of loggers cleared ½ acre of lumber in 4 days. How long will it take the same crew to clear 2 ¾ acres of lumber?

Tanzania [10]

You can use a proportion

1/2(acres) 2(3/4)acres
-------------- = --------------
4(days) x(days)

4*2(3/4) = 6
6/(1/2) = 12

It would take 12 days.

Hope this helped☺☺

5 0

3 years ago

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In Math, the word dilate means to make a figure

ankoles [38]

Answer:

False

Step-by-step explanation:

in math, dilate means changing the size of an object without changing its shape

Have a good day, sorry if I'm wrong:)

(if I am wrong, plz tell me<3)

6 0

2 years ago

HELP please and explain

jonny [76]

(x3)(x4) is x7 because when you have a problem like that, you have to ADD your exponents.

-(m4)3 is -m12 since you're multiplying them.

(z3)5 is z15

y4 x y5 is y9

thats all i know of. hope it helps cx

7 0

3 years ago

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A robotic machine fills containers with an acid solution at the rate of 50 + 5 t milliliters (mL) per second, where t is in seco

Alika [10]

Answer:

12,000

Step-by-step explanation:

The machine fills the containers at a rate of 50+5t milliliters (mL) per second.

Therefore, the rate of change of the number of containers, N is:

$\dfrac{dN}{dt}=50+5t, 0\leq t\leq 60$

$dN=(50+5t)dt\\$Taking integrals of both sides\\\int dN=\int (50+5t)dt\\N(t)=50t+\frac{5t^2}{2}+C $(C a constant of integration)\\\\When t=0, , No containers are filled, therefore:$ N(t)=0\\0=50(0)+\frac{5(0)^2}{2}+C\\C=0\\$Therefore, N(t)=50t+2.5t^2$