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3 years ago

1)Simplify: 4d - 3e - 9d + 8e

Mathematics

1 answer:

Evgesh-ka [11]3 years ago

5 0

Combine like terms:

-5d+5e or 5e-5d

If you want, you can factor out the common 5:

5(e-d) is your answer

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Which table shows a proportional relationship between miles traveled and gas used?

Mashutka [201]

Answer:

I cant answer this question since there is no table or graph

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3 years ago

Please help me answer questions 48 and 48 with the working out please. This is very urgent and i’m giving out 8 points not 5!!!

mariarad [96]

Answer: 65°

<u>Step-by-step explanation:</u>

$E=w(t_f-t_o)\\\\E: 10\ cubic\ feet\times \dfrac{1000\ BTU}{1\ cubic\ foot}\times \ 60\%\quad \rightarrow \quad E=6000\ BTU\\\\\\w:50\ gallons\times \dfrac{8\ pounds}{1\ gallon}\quad \rightarrow \quad w=400\ pounds\\\\\\\\E=w(t_f-t_o)\\\\6000=400(t_f-50)\\\\\dfrac{6000}{400}=\dfrac{400(t_f-50)}{400}\\\\.\quad 15=t_f-50\\\\\\.\quad 15=t_f-50\\.\ \underline{+50}\quad \underline{\quad \ +50}\\.\quad 65=t_f$

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3 years ago

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alex41 [277]

Answer: The last choice is correct. Edna can score 5 times as many points in the next level as in the level she has reached

Step-by-step explanation: chart of values for $y= 5^{x}$

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x y

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2 25

3 125

4 625

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You can see the exponential pattern

For what it's worth, two views of the graph of the equation are attached

The point values are astronomical!

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3 years ago

What is a acute?? i dont really seem to get it

Vaselesa [24]

Answer:

an angle less than 90 degrees

Step-by-step explanation:

so like this angle /_

this is obtuse \_

this is right |_

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3 years ago

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Troyanec [42]

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3 years ago