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balu736 [363]
3 years ago
12

Need help pleaseee …

Mathematics
1 answer:
nlexa [21]3 years ago
5 0

Answer:

2.5

Step-by-step explanation:

By Pythagoras theorem,

Hypotenuse = √( 4^2 + 3^2 )

                     = √( 16 + 9 )

                     = √25

Hypotenuse = 5

4 / 2 = 5 / x

2 = 5 / x

x = 5 / 2

x = 2.5

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The circumference of a circle is a 12.1mm. Find the length of the radius. Give your answer rounded to 1 DP.​
faltersainse [42]

Answer:

1.9

Step-by-step explanation:

r=C/2π

r-12.1/2π=1.9257...

5 0
2 years ago
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Can someone tell me the answer
Rzqust [24]

Answer:

A. 9/25

Step-by-step explanation:

There are a total of 25 T-shirts, which means that the denominator of the fraction is going to be 25 (which already rules out B and C). In the information they give us, they said that there are 9 red shirts. Therefore, the numerator will be 9. Our complete fraction is 9/25, or A.

I hope this helps! Have a lovely day!! :)

3 0
3 years ago
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Write a division problem whose quotient has first digit in the hundreds place
AysviL [449]
OK.

Divide 1,000 by 10.
7 0
3 years ago
Is -0.44 bigger then 4.35
TEA [102]

Answer: No.

Step-by-step explanation:

1. It is negative. -0.44. Any negative number compared to a positive number when you compare which is the larger number, the positive number will always be greater.

2. The 4 in the number 4.35 is a whole number. However, the whole number in -0.44 is, well zero. Just by looking at that, you can tell that 4.35 is the larger number.

Hope that helps :))

3 0
3 years ago
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Solving systems using substitution
netineya [11]

Answer:

2) x=-4 y=4 4) x=0 y=-4

Step-by-step explanation:

<em>2)</em> Step: Substitute x+8 for y in y=−4x−12:

y=−4x−12

x+8=−4x−12

x+8+4x=−4x−12+4x  (Add 4x to both sides)

5x+8=−12

5x+8+−8=−12+−8 (Add -8 to both sides)

5x=−20

5x /5 = −20 /5 (Divide both sides by 5)

x=−4

Step: Substitute −4 for x in y=x+8:

y=x+8

y=−4+8

y=4 (Simplify both sides of the equation)

Answer:

x=−4 and y=4

<em>4) </em>Step: Substitute 3x−4 for y in y=x−4:

y=x−4

3x−4=x−4

3x−4+−x=x−4+−x  (Add -x to both sides)

2x−4=−4

2x−4+4=−4+4  (Add 4 to both sides)

2x=0

2x/2  =  0 /2 (Divide both sides by 2)

x=0

Step: Substitute 0 for x in y=3x−4:

y=3x−4

y=(3)(0)−4

y=−4 (Simplify both sides of the equation)

Answer:

x=0 and y=−4

8 0
4 years ago
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