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Dmitrij [34]
3 years ago
7

Sally solved the equation x + 5 = -7 and got the answer x =-12.

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
5 0

Answer:

x=-12

Step-by-step explanation:

x is the solution of the equation,

only -12+5=-7

in this case the only number that will make the equality true

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Choose the student with the correct answer. Pls Help ;-;
Dafna11 [192]

Answer:

Frida

Step-by-step explanation:

y = 1000(2)^x

Mrs. Smith is saying that the number of termites will double each week, and Mr. Smith is saying that the number of termites will increase by 100% each week.

Let's just look at (2)^x. If we substitute numbers for x, we get:

  • x = 1 ⇒ 2
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We can see that the output number doubles by 2, or in other words, increases by 100% of its value.

Therefore, Frida is correct in thinking that both Mr. and Mrs. Smith's interpretations are correct.

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2 years ago
Can someone explain because my teacher has no time to teach me this and could use help on the first three
andreev551 [17]

Answer:

Hello!

To answer these, you can use prime factorization! Here is the first one:

1) 16x² and 8

Well we know the GCF will not have any "x" since only one of the numbers do. So, here is the prime factorization for each, excluding the "x", and I have also bolded the common numbers between the two:

          16                    8

        2 · 8                 2 · 4

          2 · 4                  2 · 2

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Finally, multiply the common numbers (only once for each common number): 2 x 2 x 2= 8 is your GCF!!!

Hope this helps! :)

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Answer: 12*5= 60divided by 7= 8.57

Step-by-step explanation:

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