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Studentka2010 [4]
2 years ago
10

Easy maths ~ Expand and simplify these brackets branliest going and 20 points

Mathematics
2 answers:
jolli1 [7]2 years ago
4 0

Answer:

above is right

Step-by-step explanation:

MrMuchimi2 years ago
3 0

Answer:

a)

2(x+1) +3 (x+2)

2x +2 + 3x +6

5x + 8

b)

4(x+3) +2(x +7)

4x+12 + 2x +14

6x+26

c)

5(x+3) +2(x+7)

5x+15 +2x+14

7x +29

d)

8(x+10) +2(x+4)

8x+80 +2x+8

10x+88

Step-by-step explanation:

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Which value of y makes the inequality 3y^2 +2(y-5)>8 true?
Alex

Answer: D

Step-by-step explanation:

A) 3*0^2+2(0-5)>8

-10>8 -> not true

B) 3*(-1)^2+2(-1-5)>8

3*1+2*(-6)>8

3- 12>8

-9> 8 -> not true

C) 3*(-2)^2+2(-2-5)>8

3*4+2*(-7)>8

12-14>8

-2> 8 -> not true

D) ) 3*(-3)^2+2(-3-5)>8

3*9+2*(-8)>8

27-16>8

11> 8 -> true

4 0
2 years ago
What is the value of x 55,105<br> A.50<br> B.20<br> C.160 <br> D.55
Ann [662]

Answer:

c)55

Step-by-step explanation:

7 0
3 years ago
23,234,008 is what % of 41,892,128
zhuklara [117]

Answer:

The answer would round to 55%


Step-by-step explanation:


3 0
2 years ago
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Explain the difference between proving triangles congruent using the SAS and SSS congruence postulates.
Tju [1.3M]

Answer:

SAS means the share a common side then an angel then another side SSS means all of the sides are equal

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2 years ago
A number to the 10th power divided by the same number to the 7th power equals 216
VashaNatasha [74]

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