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3 years ago

25 more than 4 times a number is 13. What is the number?

Mathematics

2 answers:

vlabodo [156]3 years ago

7 0

Answer:

-3

Step-by-step explanation:

4x + 25 = 13 ➡ 4x = 13 - 25 ➡x = -3

KengaRu [80]3 years ago

6 0

Answer:

The number(x)= -3

Step-by-step explanation:

Step 1- Subtract from both sides

4x+25= 13

-25 -25

Step 2- Divide from both sides

4x= -12

4 4

x=-3

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3 years ago

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3 years ago

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3 years ago

Pls pls help i will mark brainliest to whoever can answer it for me.

Luba_88 [7]

Answer:

The lateral surface is 120 $in^2$ , which agrees with the third answer option of the list.

Step-by-step explanation:

Notice that the prism has 5 equal lateral faces, which are all rectangles of eight 6". The width of the prisms can be obtained by using the fact that the perimeter of the pentagon is 20", which gives a side length of 20/5 = 4 " which is the same as the with of the lateral rectangles.

Then the lateral area of the prism is:

Lateral area= 5 (6" x 4") = 5 (24) = 120 $in^2$

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3 years ago

A(1)=20 a(n)=a(n−1)−17 Find the 3rd term in the sequence

Alexxx [7]

Answer: The third term is -14

----------------------------------------------

Explanation:

First term = A(1) = 20, which is given

Second term
A(n) = A(n-1) - 17
A(2) = A(2-1) - 17
A(2) = A(1) - 17 .... note: second term = (first term) - 17
A(2) = 20 - 17
A(2) = 3

Third term
A(n) = A(n-1) - 17
A(3) = A(3-1) - 17
A(3) = A(2) - 17 ... note: third term = (second term) - 17
A(3) = 3 - 17
A(3) = -14

6 0

3 years ago