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4 years ago

Which of the following represents "four times the square of a number is thirty-six"?

Mathematics

2 answers:

lara31 [8.8K]4 years ago

7 0

Answer:

Answer B ) 4 x² = 36 .

Step-by-step explanation:

Given : four times the square of a number is thirty-six".

To find : Which of the following represents the statement.

Solution : We have given four times the square of a number is thirty-six".

Let the number = x

According to question :

Square of the number = x².

4 times square of the number is 36

4 x² = 36 .

Therefore, Answer B ) 4 x² = 36 .

dusya [7]4 years ago

6 0

I would have to say b but not sure correct

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Volgvan

Answer:

$\approx10.29\text{ feet}$

Step-by-step explanation:

Please refer to the attachment.

By AA Similarity, the two triangles are similar.

Therefore, corresponding parts of them are proportional.

Therefore, we can write the following proportion:

$\frac{7}{24}=\frac{3}{x+3}$

We will solve for x. Cross-multiply:

$7(x+3)=24(3)$

Distribute:

$7x+21=72$

Subtract 21 from both sides:

$7x=51$

Divide both sides by 7. So, the value of x is:

$x\approx7.2857$

However, that is only the value of x.

The shadow of the tree is (x+3).

Hence, we will need tot add 3 to our value. Therefore, the actual length of the shadow of the tree is approximately:

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3 years ago

Derek wants to ship items that weigh a total of 7 pounds, and Keisha wants to ship items that weigh a total of 10 pounds. How mu

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Answer:

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3 years ago

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Bogdan [553]

Answers:

Function
Not a function
Function
Not a function

========================================

Explanation:

If x repeats itself, then we don't have a function. For instance, relation 2 has the x value -4 show up twice. That input leads to multiple outputs which is why we don't have a function. Relation 4 is a similar story (this time the input 'u' shows up twice).

Relations 1 and 3 don't have this issue, so they are functions.

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3 years ago

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Sveta_85 [38]

Answer:

20 rides.

The question:

"There have been two proposals for ticket sales. The first proposes a base fee of $5 for entry into the park and $0.50 per ride. The second plan has no base fee, but charges $0.75 per ride. After How many rides would the cost[s] be equal?"

Step-by-step explanation:

Assume that the two costs become equal after $x$ rides.