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3 years ago

Translate the expression 5x - 7.

2 answers:

8 0

The correct way to translate <span>5x - 7 is calling it like this: five times the difference of a number and 7. The rest of them are not correct</span>

Ahat [919]3 years ago

5 0

Answer:

the answer is B. the difference of five times a number and 7

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Paolo was asked to find the original dimension of an enlarged pentagon. His solution is shown next to the pentagons. A small pen

seropon [69]

Answer:

Paolo made an error when he cross multiplied the proportion

Step-by-step explanation:

The proportion is ...

$\dfrac{3}{12}=\dfrac{x}{8}$

"Cross multiply" means "multiply both sides of the equation by the product of the denominators."

$\dfrac{3}{12}(12)(8)=\dfrac{x}{8}(12)(8) \quad\text{cross multiply}\\\\(3)(8)=(x)(12) \quad\text{Paolo got something different}$

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3 years ago

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Norma-Jean [14]

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3 years ago

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BartSMP [9]

Answer: 15%

Step-by-step explanation:

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3 years ago

Find two positive integers such that their sum is 10, and minimize the sum of their squares.

N76 [4]

Answer:

5 and 5 is the lowest answer

Step-by-step explanation:

Based on what I'm assuming from that cryptic question, I assume you are looking for two numbers that add up to 10, but have the smallest sum when they are squared and added.

So I would start with 5 and 5, because they have the best chance.

If you do anything like 3 + 7,

You will get an answer of 49 + 9, which is rather high.

2 and 8 gives you 4 + 64, which is worse.

4 and 6 gives you 16 and 36, which add to 52, which is better.

5 and 5 gives you 25 and 25, which is 50, the best choice.

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3 years ago

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Which answer choice states the range of the following

ankoles [38]

<h2>Explanation:</h2><h2></h2>

Hello! Remember you have to write complete questions in order to get good and exact answers. Here you forgot to write the relation so I could help you providing my own relation.

Remember that for any relation, we have a set $A$ that matches the the domain (also called the set of inputs) of the function and the set $B$ that contains the range (also called the set of outputs).

Suppose our relation is:

$y=-10+x \\ \\ For \ x=1,2,3,4,5$

So the x-values represents the set A and the y-values the set B. Therefore, by evaluating the x-values into our relation we get:

$\text{If x=1} \\ \\ y=-10+1=-9 \\ \\ \\ \text{If x=2} \\ \\ y=-10+2=-8 \\ \\ \\ \text{If x=3} \\ \\ y=-10+3=-7 \\ \\ \\ \text{If x=4} \\ \\ y=-10+4=-6 \\ \\ \\ \text{If x=5} \\ \\ y=-10+5=-5$

So in this context, the correct option is:

B) (-9,-8, -7, -6, -5}

6 0

4 years ago