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marshall27 [118]
2 years ago
9

Please help if you know the answer

Mathematics
1 answer:
Pachacha [2.7K]2 years ago
5 0

Answer:

I think the answer to this is C

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If the perimeter of a square is 20, what is the length of the diagonal ?
Rina8888 [55]

Answer:

Step-by-step explanation:

if you know that the perimeter is 20,

then you have to divide by 4 to get the length of one side

20/4=5.

Draw the diagonal and write in it's length as x.

Use Pythagorean formula

Then know that a2+b2=c2

and use the two side lengths as a and b.

This gives you the equation

5^2+5^2=x^2.

Do the calculations and solve the equation.

25+25=x^2

50=x^2

√50=x.

Therefore x=√50 where x equals the length of the diagonal.

7 0
2 years ago
Helppppp on alllll plz
igomit [66]

a. $150

b. 150+20x\geq630

20x\geq480

x\geq24

c. 150+20x\geq750

20x\geq600

x\geq30

d. 150+20x\leq950

20x\leq800

x\leq40

Hope Your Thanksgiving Goes Well, Here's A Turkey

-TheKoolKid1O1

3 0
3 years ago
X is a normally distributed random variable with mean 46 and standard deviation 22.
stiv31 [10]

Step-by-step explanation:

85 is the answer you are looking for

4 0
2 years ago
2(3x−5a)+9(2a−7b)+3(5a−2x)=0
alexdok [17]

Answer:

a=63b/23, b=23a/63

7 0
3 years ago
Usian bolt can run 100meters in 9.58 seconds . my car can drive 100kilometers an hour. which is faster, is it faster to travel 1
Mashcka [7]

Answer:

Your car is faster of course

Step-by-step explanation:

100 km would be 100000 meters. Then you would need to know that if Usain bolt ran 100 meters every 9.54 sec then in 100000 meters he would have ran 9540 seconds which is also known has 159 minutes, which is more than 1 hour so your car is faster.

5 0
2 years ago
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