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Zina [86]
2 years ago
7

A number minus 8 and then subtracted by 12 is equal to 5 what is the number

Mathematics
1 answer:
san4es73 [151]2 years ago
7 0

Answer:25

Step-by-step explanation: first you do 5+12 which gets you 17. Then you add 17+8 and you get 25. 25 -8=17 17-12=5

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“the perimeter of the rectangle below is 90 units. find the length of side PS. write your answer without variables.”
Rzqust [24]

Answer:

19

Step-by-step explanation:

The opposite sides are equal, so:

PS = 3y+1

RS = 4y+2

QR = 3y+1

PQ = 4y+2

Therefore, we can set the perimeter 90 = PS+RS+QR+PQ

90 = (3y+1) + (4y+2) + (3y+1) + (4y+2), or,

90 = 2(3y+1) + 2(4y+2)

90 = 6y+2 + 8y+4

90 = 14y + 6

84 = 14y

y = 6

Then, we go back to the question. It's asking for the length of PS. PS = 3y+1, so we plug in 6 for y

3(6)+1

18 + 1 = <u>19</u>

5 0
2 years ago
The cube shaped box is 6 inches wide and the rectangular box is 10 inches long 4 inches wide and 4 inches high. How much greater
nasty-shy [4]

Answer:

Formula of the volume for a cube= s^3 (side, length, width, or edge is acceptable for s)

Formula of the volume for a rectangular prism= lwh (length*width*height)

<u><em>= 50 cubic in. more</em></u>

Step-by-step explanation:

cube: 6^3

6x6x6

36x6

216

rectangular prism: 10x4x4

10x16

160

cube - rectangular prism= Difference between cube and rectangular prism

216   -   160                      =  50

<em>*REMEMBER that when dealing with volume the units are cubic (whatever), in this case, its cubic inches(in^3).</em>

3 0
3 years ago
Please help ASAP 25 pts + brainliest to right/best answer
Galina-37 [17]

(f + g)(x) = f(x) + g(x)


(f + g)(x) = 3x + 5 + x^2 = x^2 + 3x + 5


Answer: Choice D




8 0
3 years ago
ANSWER ASAP (WILL MARK BRAINLIEST)
Strike441 [17]

Answer:

a.

Step-by-step explanation:

8 0
3 years ago
Which number line shows the correct locations of ALL the given values?
bija089 [108]
A is the only number line that correctly shows the locations of all given values.

Answer=A

***EDIT***

Okay, so if you look at the number line, you notice that the distance between one line and the next is equal to 1/4. When we move to the left, we decrease in value. When we move to the right, we increase in value.

So, knowing that, lets look at A and see if all of the numbers are correctly placed.

1/2 should be two lines to the right of 0 (since distance between one line and the next is equal to 1/4, and 1/4+1/4=2/4 or 1/2)

-4 is a relatively easy value to find, since its line is labeled.

-2 3/4 should be three lines to the right of -2 (since distance between one line and the next is equal to 1/4, and 1/4+1/4+1/4=3/4 and if you go 3/4 to the left of -2 u get -2 3/4)
(-2-3/4=-2 3/4)

1 1/4 should be three lines behind 2 (since distance between one line and the next is equal to 1/4, and 1/4+1/4+1/4=3/4 and if you go 3/4 to the left of 2 you get 1 1/4)
(2-3/4=1 1/4)

6 0
3 years ago
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