MATHEMATICS MIDDLE SCHOOL

Express 5/7 as a decimal.

Answers

Answer 1
Answer:

Answer:

0.71428571428

Step-by-step explanation:

Do it the old fashioned way, get out your calculator, or google it.
Answer 2
Answer:

Answer:

0.71428571428

Step-by-step explanation:

Just divide using paper or use your calculator

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Find the quotient. (5x^4 - 3x^2 + 4) ÷ (x+1)​

Answers

Answer:

The first one: 5x^3 -5x^2 +2x -2 + 6/x+1

Step-by-step explanation:

Triangle ABC has a perimeter 22cmAB= 8 cm
BC= 5cm

By calculation, deduce whether triangle ABC is a right-angled triangle

Answers

Answer:

ΔABC is not a right- angled triangle

Step-by-step explanation:

Given AB = 8, BC = 5

Then AC = 22 - (8 + 5) = 22 - 13 = 9 cm

Using the converse of Pythagoras' identity

If the square of the longest side equals the sum of the squares of the other 2 sides then triangle is right.

AC² = 9² = 81

AB² + BC² = 8² + 5² = 64 + 25 = 89

81 ≠ 89, hence ΔABC is not right- angled

Can someone please help with this ?

Answers

the answer is y= -2x
The answer is Y=-2x




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2(5x-7)=2x+10 what Is the distributive property

Answers

2(5x)2(-7)=2x+10

2(5x)= 10x
2(-7)=-14

10x-14=2x+10

Solve:
10x-2x=8x

8x-14=10

14+10=24

8x=24

24/8=3

X=3

Is g(x) = (x-1)(x+1)(x-3i)(x+3i) the factored form of f(x) = x^4+8x^2-9

Answers

Answer:

Yes

Step-by-step explanation:

(x-1)(x+1)(x-3i)(x+3i)

FOIL ( x-1) (x+1) = x^2 -x+x-1 = x^2 -1

FOIL (x-3i)(x+3i) = x^2 +3ix -3ix -9i^2 = x^2 -9(-1) = x^2 +9

(x-1)(x+1)(x-3i)(x+3i) = (x^2 -1) (x^2 +9)

FOIL again

x^4 +9x^2 -x^2 -9

x^2 +8x^2 -9

This is the factored form

Convert 17/100 into a decimal

Answers

If you would like to convert 17/100 into a decimal, you can do this using the following step:

17/100 = 0.17

The correct result would be 0.17.
17/100
= 0.17

To convert 17/100 into a decimal, you move left of 17 two decimal places.

The final answer is 0.17~
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