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2 years ago

Plz someone answer this I need the answer quick

Mathematics

1 answer:

pogonyaev2 years ago

7 0

Answer:

Solution,

$volume = (8 \times 5 \times 5) + (5 \times 6 \times 3) \\ \: \: \: \: \: \: \: \: \: \: \: \: = 200 + 90 \\ \: \: \: \: \: \: \: \: \: = 290 \: {m}^{3}$

Hope this helps..

Good luck on your assignment..

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−2∣5w−7∣+9=−7<br> What is the 2 answers for this question

loris [4]

The two possible answers are w = 3 and w = -1/5

These answers can be obtained through solving to the absolute value symbols.

<span>−2∣5w−7∣+9=−7 ---> subtract 9 from both sides
</span><span>−2∣5w−7∣= -16 ---> divide both sides by -2
</span>∣5w−7∣= 8

Now, because of the absolute value symbols, set the inside equal to 8 and -8 for the two answers.

5w - 7 = 8
5w = 15
w = 3

AND

5w - 7 = -8
5w = -1
w = -1/5

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3 years ago

Yutaka enjoys running. For every kilometer he runs, he burns 65 calories. He wrote this equation to find how many calories he bu

koban [17]

Answer:

(k): 65k=c is true per kilometer he runs,

Step-by-step explanation:

(k): 65k=c is true if Yutaka was to walk and burn only 48 calories then k then is x= walk and y = run 8x+7y>= c 8x+7y>= 8(48) + 7(65) >= 839

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1 year ago

Maria’s phone bills were $95, $67, $43, and $115. What was the mean, or average, of her phone bills?

Ghella [55]

Answer:

the mean is $80

Step-by-step explanation:

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2 years ago

What is the inverse of the function f(x) = 2x + 1?

Luda [366]

Answer:

$f^{-1}(x)=\frac{1}{2}x-\frac{1}{2}$ ⇒ answer 1

Step-by-step explanation:

* Lets explain how to find the inverse of a function

- To find the inverse of a function :

# Write y = f(x)

# Switch the x and y

# Solve to find the new y

# The new y is $f^{-1}$

* Lets solve the problem

∵ f(x) = 2x + 1

- Put y = f(x)

∴ y = 2x + 1

- Switch x and y

∴ x = 2y + 1

- Solve to find the new y

∵ x = 2y + 1

- Subtract 1 from both sides

∴ x - 1 = 2y

- Divide both sides by 2

∴ (x - 1)/2 = y

- Divide each term in the left hand side by 2

∴ y = 1/2 x - 1/2

- Replace y by $f^{-1}$

∴ $f^{-1}(x)=\frac{1}{2}x-\frac{1}{2}$

* The inverse of the function is $f^{-1}(x)=\frac{1}{2}x-\frac{1}{2}$

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3 years ago

Read 2 more answers

When a number is divided by -3, the result is 12 more than the number what is the number?

olga55 [171]

X/-3 = 12 + x
x = -36 - 3x
4x = 36
x= = 9

The number is 9.

8 0

3 years ago