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2 years ago

NEED HELP, ASAP! !!! 2 QUESTIONS.

Mathematics

1 answer:

Maksim231197 [3]2 years ago

8 0

Answer:

1.we know the perimeter of the triangle=x-3+x+6+x=3x+3

so,answer is (b)3x+3

2.area of the triangle=1/2*b*h

=1/2*x+2*2x+6=x+2*2x+6/2=2x^2+6x+4x+12/2=2x^2+10x+12/2=2(x^2+5x+6)/2=x^2+5x+6

so,answer is(b)x^2+5x+6

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Look at the file below! Thank you!

rosijanka [135]

Answer:

15.3

Step-by-step explanation:

throu the table we know that she earn (20.40-10.20=10.20)for every two hours

so 1 hour will be 10.20/2=5.1

3 hour: 10.20+5.1=15.3

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2 years ago

Explain why 2/3 x 12 can be written as 2 x 12 divided by 3.

Inga [223]

Answer and Step-by-step explanation:

$\frac{2}{3}$ × 12 can also be written as $\frac{2 * 12 }{3}$ because the 12 is multiplying the numerator of the fraction.

12 can also be written as $\frac{12}{1}$ .

When we solve, this is what is happening:

$\frac{2}{3}$ × $\frac{12}{1}$

The 12 will be multiplying the 2, while the 1 will be multiplying the 3. Because 3 times 1 is 3, we don't show the 1. So, that can leave us with 2 being multiplied by 12 in the numerator.

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3 0

2 years ago

Read 2 more answers

Write the expression (4x-2).(6x 7) in the standard form of a anquadratic expression,ax^2 bx c what are the values of the coeffic

kipiarov [429]

Hello:
(4x-2)(6x+ 7)=24x²+28x-12x-14
= 24x²+16x-14

in the standard form : ax²+bx+c a = 24 b=16 c=-14

6 0

2 years ago

For what values of x is the inequality (x-4)2 > true?

Komok [63]

Answer:

do it yoself

Step-by-step explanation:

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2 years ago

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Which expression can be used to convert 80 US to Australian dollars?

musickatia [10]

Answer:

0.9668 USD

Step-by-step explanation:

1 USD=1.0343 AUD 1AUD=0.9668 USD.

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1 year ago