Please help! !!!!!!50 POINTS!!!!!!! Question bellow!!

Answers

Answer 1

Answer: Area = πr²
Area = 3.14* 6²
A = 3.14 * 36
A = 113.04

Now find the area of the other one.

Area = πr²
A = 3.14 * 0.75²
A = 1.76625

Now subtract them.

113.04 - 1.76625 = 111.27375
Now, we have our answer: A = 111.27375

However, I don't see why they told you to have an exact answer for the area. You can't have an exact answer when you use 3.14 for pi.

Answer 2

Answer:

Answer:

Area = πr²

Area = 3.14* 6²

A = 3.14 * 36

A = 113.04

Now find the area of the other one.

Area = πr²

A = 3.14 * 0.75²

A = 1.76625

Step-by-step explanation:

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A graphic designer created a logo on 8 1/2 by 11 inch paper. In order to place on a business card the logo needs to be 1 7/10 inches by 2 1/5. What is the scale factor of the dilation?

Answers

k - scale factor
a = 8 1/2
b = 11
a₁ = 1 7/10
b₁ = 2 1/5

$k = (a_1)/(a)=\frac{b_1}b\n\n\n(a_1)/(a)=(1 (7)/(10))/(8\frac12)=1 (7)/(10):8\frac12=(17)/(10):\frac{17}2=(17)/(10)\cdot\frac2{17}=\frac15\cdot\frac11=\frac15\n\n\n(b_1)/(b)=(2 (1)/(5))/(11)=2\frac15:11=(11)/(5)\cdot\frac1{11}=\frac15\cdot\frac11=\frac15 \n\n\n(a_1)/(a)=\frac{b_1}b=\frac15\ \ \ \implies\ \ \ k=\frac15$

10u + 7 = 8 ( 2u - 4 ) - 9

Answers

The value of the variable of the u in the equation is u = 8.

What is an expression?

Expression in mathematics is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

We are given that the expression as

10u+7=8(2u-4)-9

Now solving the bracket;

10u+7=16u-32-9

Combine the like terms;

10u+7=16u-41

6u=48 /6

u=8

To know more about an expression follow;

brainly.com/question/19876186

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10u+7=8(2u-4)-9
10u+7=16u-32-9
10u+7=16u-41
6u=48 /:6
u=8

Three brothers share 2 sandwiches equally. Hoe much of a sandwich does each brother get?

Answers

U will get 1.5 as you're answer or 2 divided by 3

Divide 3 by 2 to get 1.5

When x is 3, y is 15. If y varies directly as x, which equation relates x and y?

Answers

Answer:

x5=y

Step-by-step explanation:

Let's say 3y=15

3 x 5 = 15, so y=5.

What is 33 over 100 in simplest form

Answers

33/100 can't be simplified any further.

33/100 is the simplest form of what it is unless you round it down to 1/3.

Hope I helped! :)

why do whole numbers raised to an exponent get greater while fractions raised to an exponent get smaller

Answers

Because in fractions you are taking away. For example: if you multiply 1/2 times 1/2, you are taking 1/2 away from that original half, but with whole nombers you are increasing the value. For exapmle: if you multiply 2 times 2, it will give you more.