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vichka [17]
3 years ago
13

Please help ...........​

Mathematics
1 answer:
sammy [17]3 years ago
7 0

Answer:

Angle B = 80°

see attachment......

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What is 1/4(x+16)-x equal too
schepotkina [342]
<span>1/4(x + 16) - x =

First, distribute the 1/4.

= 1/4x + 1/4 * 16 - x

= 1/4x + 4 - x

= 1/4x + 4 - 4/4x

= 1/4x - 4/4x + 4

= -3/4x + 4

= -\dfrac{3}{4}x + 4</span>
8 0
3 years ago
Tom drove 504 miles in 8 hours. At the same rate, how many miles would he drive in 12 hours
OLga [1]

Answer:

756 miles in 12 hours

Step-by-step explanation:

504÷8=63

63 miles per hour

63×12=756

7 0
3 years ago
Read 2 more answers
What is the area of a pizza with a diameter of 12 inches? Round to the nearest tenth. Use 3.14 for pi.
Flauer [41]

Answer:

\boxed {\boxed {\sf a \approx 113.0 \ in^2}}

Step-by-step explanation:

Assuming this pizza is a circle, we can use this formula for area:

a= \pi r^2

1. Find Radius

We are given the diameter: 12 inches, but the formula uses radius.

The radius is half the diameter, or:

r=\frac{d}{2}

r=\frac{12 \ in}{2}

r= 6 \ in

2. Calculate Area

Substitute the radius (6 inches) in for r. The question also asks us to use 3.14 for pi.

a= (3.14)(6 \ in)^2

Solve the exponent.

  • (6 in)²= 6 in* 6 in= 36 in²

a= (3.14)(36 \ in^2)

Multiply.

a= 113.04 \ in^2

3. Round

The question asks us to round to the nearest tenth.

The 4 in the hundredth place tells us to leave the 0 in the tenth place.

a \approx 113.0 \ in^2

The area of the pizza is about 113.0 square inches.

7 0
3 years ago
Write -1/3c^2(1.2d^2-6c) as a polynomial
denis23 [38]

Answer:

-0.4c^2d^2 + 2c^3

Step-by-step explanation:

Multiply -1/3c^2 with both terms inside the parentheses to get the polynomial.

<em>mark as brainliest if it helped</em>

5 0
2 years ago
Write a function numberofpennies() that returns the total number of pennies given a number of dollars and (optionally) a number
ElenaW [278]
What language are you writing this in? C? Javascript? Java? Are you allow to have parameters? 
The general idea should be the same. Since 1 dollar  = 100 pennies, we should write something like...

Java:
public static double numberofpennies(double dollars, double penny) {         
           double sum = 0;                  

           // The amount of pennies that dollar represents       
           double converted = dollars * 100.0;                  

           sum = converted + penny;
         
           return sum;   
}
Note: You should probably place this question under the category computer and technology instead of math. Also, this is just an example of what you could possibly write. What parameters you are allowed to use, what type (double? int? etc?) of pennies are you allowed to return, etc. depends on how you write it. 



5 0
3 years ago
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