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trapecia [35]
3 years ago
5

Write two sentences to match this numerical expression:7 times 3

Mathematics
2 answers:
Leto [7]3 years ago
5 0

7×3=21 or 3×7=21

Three times seven equals twenty-one

Seven times three equals twenty-one


Marina CMI [18]3 years ago
3 0
3 times 7..... . .....
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What is the solution to the system of equations represented by the two equations?
nexus9112 [7]
Just substitute the first equation into the second and solve for x: <span><span>32</span>x=−<span>12</span>x+4⟹2x=4⟹x=2</span><span>Now, since y = 3/2 * x, we have y = 3 and we are done.</span>
8 0
3 years ago
2. Which product is negative?
Paul [167]

Answer:

B) , C)

Step-by-step explanation:

Assuming that you are multiplying each of the numbers for each given answer.

Look at the amount of negative signs provided. Odd amounts of negative will always guarantee a product of a negative answer. Even amounts of negative will always guarantee a product of a positive answer.

In this case, C. -4 , -4 , -4 , 4 & B. -4 , -4, -4, 4 are your answers, for both only have 3 negative signs, which would make a negative answer.

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3 years ago
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Simplify -3y+2x-5y-7x
Sphinxa [80]
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<em><u>Solution:</u></em>

<em><u>Given that, we have to simplify</u></em>

-3y + 2x-5y-7x

We can simplify the above expression by combining the like terms

Like terms are terms that has same variable ( with same exponent) with same or different coefficient

From given,

-3y + 2x-5y-7x

Here, like terms are -3y and -5y

And 2x and -7x

Group the like terms

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6 0
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Area is 92m
5 0
3 years ago
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Anit [1.1K]

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0

Step-by-step explanation:

13 patients had 0 cavities, according to the table! The righthand column is the frequency of people, and the left is the number of cavities they had.

6 0
3 years ago
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