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3 years ago

Help me out! I need this ASAP. will give 25 points and brainliest to whoever answers first.

Mathematics

1 answer:

kompoz [17]3 years ago

4 0

Step-by-step explanation:

I can't view the image .......

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I NEED HELP ASAP IT IS DUE AT MIDNIGHT PLEASEEEEEE!!!!

IgorC [24]

Answer:

A = -2.2

B = -1.7

C = 1.87

D = 19.97

Step-by-step explanation:

A = 7.4 - 9.6 = -2.2

B = -2.2 + 0.5 = -1.7

C = -1.1(-1.7) = 1.87

D = 18.1 + 1.87 = 19.97

3 0

2 years ago

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Find the sum of −3x2−x−10 and 10x^2+x-10

Andru [333]

Look at the attached picture⤴

Look at the attached picture⤴Hope it will help u....:)

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2 years ago

Prove that : sinA/1+cosA + 1+cosA/sinA=2cosecA

tekilochka [14]

Step-by-step explanation:

$\frac{sinA}{1+cosA} +\frac{1+cos}{sinA} =2cosec\\\\\\\frac{sin^{2}A+(1+cos)^{2} }{sinA(1+cosA)} \\\\$

$\frac{sin^{2}A+1+cos^{2}+2cos}{sinA(1+cosA)} \\\\$ and we have $sin^{2}+cos^{2} =1$

so $\frac{1+1+2cosA }{sinA(1+cosA)} \\\\$

$\frac{2+2cosA }{sinA(1+cosA)} \\\\$

$\frac{2(1+cosA)}{sinA(1+cosA)} \\\\$

$\frac{2}{sinA}$ we have $\frac{1}{sin}=cosec\\$

Finally $2cosecA$

I really hope this helps coz it took much time

3 0

2 years ago

5/10 +2/6 = simplify

faltersainse [42]

Answer:

5/6

Step-by-step explanation:

5/10 + 2/6

First find the common denominator by multiplying 5/10 by 3/3

5/10*3/3=15/30

Then to get to that same denominator multiply 2/6 by 5/5

2/6*5/5=10/30

Answer:

15/30+10/30= 25/30

Then divide 25/30 by 5/5

25/30 / 5/5 = 5/6

8 0

3 years ago

You leave a pile of sand in your backyard on a windy day. Every minute the wind blows away 10 percent of the remaining sand.You

Leona [35]

Answer:200cubic sand

Step-by-step explanation:

cubic means 3 times. And you lose 100 sand from wind 10 times.

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2 years ago

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