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sdas [7]
3 years ago
9

Help please! if it’s correct ill give brainliest

Mathematics
1 answer:
Evgen [1.6K]3 years ago
6 0

Answer:

radius =  \sqrt{ {15}^{2} +  {36}^{2}  }  = 39 \\ area = 4 \times  {39}^{2}  \times \pi = 19103.76

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-3 ( 10X - 4) = 5 (-6x+1)+7
Arlecino [84]

Answer:

All real numbers

Step-by-step explanation:

-3(10x - 4) = 5(-6x + 1) + 7

-30x + 12 = -30x + 5 + 7

-30x + 12 = -30x + 12

-30x = -30x

0 = 0

Best of Luck!

5 0
3 years ago
Order 3.26,15/4,3 18/25,3.722 from least to greatest
Rashid [163]

Answer:18/25, 15/4, 3.26, 3.722

Step-by-step explanation:

5 0
3 years ago
Help me plz f(x)=x^3+6x^2+x^1/2
Andreas93 [3]

Answer:

C

Step-by-step explanation:

6 0
3 years ago
Which equation does NOT represent a proportional relationship between two variables with the constant of proportinality of? 1/2
Dimas [21]

Answer:

(D) y=x+\frac{1}{2}

Step-by-step explanation:

Two variables x and y are proportionally related  if they can be written in the form y=kx, where k is the constant of proportionality.

From the given options, if k=\frac{1}{2}

(B)y=\frac{1}{2}x is of the form y=kx

(C)y=\frac{3}{6}x is of the form y=kx with k=\frac{1}{2} as \frac{3}{6}=\frac{1}{2} in its lowest form.

(C)y=0.5x is of the form y=kx with k=\frac{1}{2} as 0.5=\frac{1}{2} in fractional form.

On the Contrary,

In Option D, y=x+\frac{1}{2} does not represent a proportional relationship between x and y. The constant of proportion is supposed to be a product of x.

6 0
3 years ago
A 35 pound dog eats an average of 2 1/2 cups of dry dog food a day. If you assume that there is a relationship between size and
zimovet [89]
70 / 35 = 2
So the 70 pound dog weights double the weight of the 35 pound dog, so he will eat twice as much.

2 x 2.5 = 5 cups

Meaning he will eat 5 cups of dry dog food a day.

By the same logic a 140 pound dog would have to eat twice what a 70 pound dog eats, that is 10 cups of dry dog food a day, so 7 1/2 cups are not enough.

Challenge: per pound a dog eats more than a cat. Since you know a 140 pound dog eats 10 cups, you can dive 140 by 10, to find out that each cup feeds 14 pounds, so half a cup would be the amount of food to feed a 7 pound dog, meaning that a dog weighing 1 pound less than a 8 pound cat would need the same amount of food, so it eats more than a cat.

8 0
3 years ago
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