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3 years ago

11

I need help with this.. Anybodyyy??!

1 answer:

Marta_Voda [28]3 years ago

4 0

Step-by-step explanation:

Given

c² = a² + b²

Making a² subject then

a² = c² - b²

Hope it will help :)

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What is the distance between A and B? Round your answer to the nearest tenth.

poizon [28]

$\bf ~~~~~~~~~~~~\textit{distance between 2 points}
\\\\
A(\stackrel{x_1}{-1}~,~\stackrel{y_1}{5})\qquad 
B(\stackrel{x_2}{4}~,~\stackrel{y_2}{1})\qquad \qquad 
% distance value
d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}
\\\\\\
AB=\sqrt{[4-(-1)]^2+[1-5]^2}\implies AB=\sqrt{(4+1)^2+(1-5)^2}
\\\\\\
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3 years ago

Louise mowed a neighbor's yard to earn $25. She mowed a few more yards and earned an additional $75. She

grigory [225]

Hello!!

$250- ($25 + $75) x 5

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4 years ago

a shark can swim 24 meters in 36 seconds. at this rate, how far, in meters, will the shark swim in 2 minutes?

blagie [28]

Answer:80 meters

Step-by-step explanation: 24 meters = 36 secs

2 mins = 120 secs

Cross multiply

24×120/36

= 80 meters

Hope I helped you!!

8 0

4 years ago

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Someone please help me with problem #7 !!!

ser-zykov [4K]

Answer: b and d

Step-by-step explanation:

Since the roots are x=2 and x=6, we can write the equation as

$f(x)=a(x-2)(x-6)$

Substituting in the coordinates of the vertex,

$-4=a(4-2)(4-6)\\\\-4=-4a\\\\a=1$

So, the equation is $f(x)=(x-2)(x-6)$

On expanding, we get $f(x)=x^2 - 8x+12$

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2 years ago

What is the value of x if 3x-6=21

Mrac [35]

Answer:

the x would equal to 9

Step-by-step explanation:

21+6=27

27÷3=9

6 0

3 years ago

Read 2 more answers