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USPshnik [31]
3 years ago
15

составь верные равенства и неравенства, используя таблицу: 32×2, 120+253, 900-653, 300×2, 640÷8, 900÷3, 450-350, 45×3

Mathematics
1 answer:
tekilochka [14]3 years ago
5 0
What is your question?

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SLOPE IN MATH PLEASE HELP I’LL MARK BRAINLIEST + A LOT OF POINTS
Fed [463]

Answer:

-7/9

Step-by-step explanation:

here you go I hope it helps

7 0
3 years ago
Which equation represents the statement: Three times the sum of a number and 5 is –30?
castortr0y [4]

Answer:

3(n+5)=-30

Step-by-step explanation:

Three times the sum of a number and 5 is - 30

Vocabulary:

times = multiplication, represented with *

sum = addition, represented by +

unknown number = n

Three * the sum of a number and 5

The sum of a number and 5 is the same as saying n + 5

So we are multiplying 3 by n + 5

Because n is an unknown variable we have to separate the sum of n and 5 from being multiplied by 3 with parenthesis. We do this because if we want to multiply 3 by the sum of n and 5. If we put 3 * n + 5 we are only multiplying the unknown variable by 3 not including the 5 that is added to it.

So we get 3( n + 5 ) is -30

3(n+5)=-30 is the answer.

3 0
2 years ago
Read 2 more answers
Answer quickly thank you so much!!!!!!!!!!!!!!!!!!!!!
marin [14]
The answer is C I think
3 0
3 years ago
A computer can sort x objects in t seconds, as modeled by the function
r-ruslan [8.4K]

Answer:

  36 objects

Step-by-step explanation:

You want the value of x when t=9, so you're solving ...

  9 = 0.007x^2 +0.003x

  9 = 0.007(x^2 + 3/7x)

From here, we observe that an approximation is probably sufficient.

 9/0.007 = x(x +3/7) . . . . . the expression on the right is nearly x^2

  x ≈ 3/√.007 ≈ 35.9 ≈ 36

We can check:

  .007(36)(36 3/7) = 9.18

  .007(35)(35 3/7) = 8.68

To keep the computer busy for 9 seconds, it needs to sort 36 objects.

 

6 0
3 years ago
The lengths of the sides of a triangle are in the extended ratio 4 : 9 : 10. The perimeter of the triangle is 92 cm. What are th
Nookie1986 [14]
16, 36, 40

Set the problem up as 4x+9x+10x= 92

26x= 92

X= 4

Plug back in to get the lengths of the sides (shown above)
7 0
3 years ago
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