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Anestetic [448]
3 years ago
13

Expand and simplify (X+5) (x+7)

Mathematics
1 answer:
Hoochie [10]3 years ago
4 0

Answer:

x^2+12x+35

Step-by-step explanation:

x(x+7)+5(x+7)

x^2+7x+5x +35

x^2+12x+35

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The square of a number is equal to 17 times that number. What is the number?​
Alborosie

Answer:

17

Step-by-step explanation:

If you think about it, 17^{2} \\ is 17×17

Hope this helps!

8 0
2 years ago
Solve. <br> 4n - 9 = 2 (5+2n)
geniusboy [140]

Answer:

0=19

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Answer for brainlest for 25 points
Gnom [1K]

Answer:

1. 23/4  ,  2. 5.555...   , 3. 5 1/2   ,    4. √28

you want to make them all into decimals so you can compare then easier

23/4 would be 5.75

√28 (just put it in a calculator)  would be 5.29

5 1/2  would be 5.5  (make  it into a improper fraction 11/2 then do 11/2 and you get 5.5)

and you have 5.555.

so...

5.75

5.29

5.5

5.55555

first is 5.75 it's bigger because of the .(75)

then 5.555 because it's .(55)

then 5.5 because it's .(50)

and the last one 5.(29)

7 0
3 years ago
Amanda and Ndiba are selling flower bulbs for a school fundraiser. Customers can buy packages of tulip bulbs and bags of daffodi
Mumz [18]

Answer:

daffodil = $13 Tulip = $7

Step-by-step explanation:

6t + 12d = 198

7t + 6d = 127

6t = 198 - 12d

t = 33 -2d

substitute

7(33-2d) + 6d = 127

231 -14d +6d = 127

- 8d = -104

d =13

6t + 12(13) = 198

6t +156 = 198

6t = 42

t = 7

7 0
3 years ago
Solve for x and y in the diagram below:
Stells [14]

Answer:

x will equal 2.1

y will equal 4.5

6 0
3 years ago
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