PLEASE HELP!!

Mathematics

1 answer:

Oksi-84 [34.3K]3 years ago

7 0

Step-by-step explanation:

what is the problem ? just take a deep breath, don't panic and think straight :

1) 12×k, which is usual written as 12k

2) u + 3

3) 1/5 × b = b/5

4) 10 - y

5) (a + 4) / 2

6) you did not say what is n summed with. so, I just designate this by "?".

(? + n) × 4

7) did you mean "take away one sixth from 4" ?

4 - 1/6

this can be simplified, as a whole number can be expressed by x/x (incl. 6/6). so, 4 = 4×6/6 = 24/6.

and so we have

24/6 - 1/6 = 23/6 = 3 5/6

8) d/2, often also written as d:2

9) 7 + v + w

10) the product of what with x ?

I designate this again by "?".

9 + ?x or

9 + ?×x or

9 + ?*x

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The sum of two numbers is -18. If the first number is 10, which equation represents this situation, and what is the second numbe

professor190 [17]

Answer:

The equation that represents this solution is: 10+x= -18

The second number is -28.

Step-by-step explanation:

To solve for this, we first need to make an equation. We know that one of the numbers, the first one, is 10, but the second is unknown. Because of this, we will label the unknown number x. We also know that the -18 is the sum, so we know it will be behind the equal sign. Using this info, we can make the following equation.

10+x= -18

We did 10 because it was the first, added it with the unknown x, and it all equals -18. This would be your equation.

To find the answer, you need to solve the equation.

10+x= -18

First, since we are adding ten to both sides, subtract ten from both sides.

10-10+x= -18-10

Now, solve. Remember that subtracting a positive number is the same as adding a negative number.

x= -28

Now, check. Does 10+ -28 equal -18? Yes, so we are correct.

6 0

3 years ago

Solve using the Pythagorean theorem.<br>need urgent help