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pshichka [43]
3 years ago
12

HELP ME ASAP!!! PLEASE

Mathematics
1 answer:
Sloan [31]3 years ago
4 0
B, 190.
First you find the area of the circle (pi times radius squared) however, since you are given diameter, you must find radius by dividing diameter by 2. So, your radius is 9, then you plug it into the formula and you get 254.5. After multiplying this by 0.75 because you only want to find 75 percent of the area, you get the answer of 191m
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Let a, b, c, and d be real numbers with a, c 6= 0. Prove that the lines y = ax+b and y = cx + d have the same x-intercept if and
Monica [59]

Step-by-step explanation:

We have got the lines :

y=ax+b\\y=cx+d

Both lines intercept the x-axis in the point :

I = (i_{1} ,i_{2})

In all point from x-axis the y-component is equal to 0.

I=(i_{1},o)

We replace the I point in the lines equations:

0=a(i_{1})+b \\0=c(i_{1})+d

From the first equation :

0=a(i_{1})+b \\-b=a(i_{1})\\i_{1}=\frac{-b}{a}

From the second equation :

0=c(i_{1})+d\\ -d=c(i_{1})\\i_{1}=\frac{-d}{c}

Then i_{1}=i_{1}

Finally :

\frac{-b}{a}=\frac{-d}{c} \\\frac{b}{a}=\frac{d}{c} \\ad=bc

y = ax + b and y = cx + d have the same x-intercept ⇔ad=bc

8 0
3 years ago
Carl has 200 songs on his mp3 player of these songs 24 ar country songs what percent of
Taya2010 [7]

To find it just divide 24 by 200. Answer will be .12 or 12%


8 0
3 years ago
Read 2 more answers
Why are both triangles similar?
alukav5142 [94]
Becuase they are the same triangle  but the CDE is smaller than ABE. I hope this helps.
5 0
3 years ago
I'd you find the number 6.26 where would it be located between.​
joja [24]

Answer:

The number 6.25 would be located  on a number line between 6 and 7.

To be more precise in between 6.1 and 6.3.

To take it a step farther in between 6.25 and 6.27

8 0
4 years ago
The diameter of the wheel of a cart is 856 m, it will cover 2690.28 m in 56 complete revolutions.
Anvisha [2.4K]
It looks like the question you are asking is how far will the cart travel after 56 complete revolutions.

To answer this you will use the distance it will travel in 1 revolution (2690.28 m) and multiply it by 56.

2690.28 x 56 = 15655.68 meters or about 15.66 km.
5 0
4 years ago
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