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ella [17]
3 years ago
8

Two angles are supplementary. Which of the following equations can be used to find the value of the missing angle, x, if the oth

er angle is 98°?
Mathematics
1 answer:
Natali [406]3 years ago
6 0

Two angles are said to be supplementary if their sum is 180 degrees. So, if x and y are supplementary angles, the formula is

x + y = 180

We know that one of the angles (say x) is 98. So, the equation updates to

98 + y = 180

If we want to solve for the other angle, we can simply subtract 98 from both sides to get

y = 180-98 = 82

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If 6 is added to twice a number and the sum is multiplied by 5 the result is the same as if the number is multiplied by -18 and
exis [7]
5(2x+6)=-18x+2
10x+36=-18x+2
     28x=-34
        x=\frac{-34}{28}
        x=\frac{-17}{14}
6 0
4 years ago
If a cyclist is traveling at 25 miles per hour on a country highway, what is his speed in feet per second? (Remember that a mile
MAVERICK [17]
Here is the solution based on the given problem above.
Given: 25miles/hour = speed of the cyclist
           ? = speed in feet/second
           1 mile = 5280 feet
           1 hour = 3,600 seconds
In order to get the result, we need to get first how many feet is 25 miles.
so, 25 miles is equivalent to 132,000 feet.
and 1 hour = 3,600 seconds
So, it is 132,000 feet/3,600 seconds. Let us simplify this.
So the answer would be 36.67ft/second. 
I hope this is the answer that you are looking for.


4 0
3 years ago
What is the answer to this question
stiv31 [10]
4(d-8)-5 = 9(d+2)+1

Assuming you're looking for d:

Use Distributive Property for both sides
4d-32-5 = 9d+18+1

Combine like terms
4d-37 = 9d+19

Take all d's to one side & numbers to other
-37-19 = 9d-4d

Simplify
-56 = 5d

Divide both sides by 5
d = -56/5

8 0
3 years ago
Read 2 more answers
Mary and her family ordered a large pizza for dinner. Half of the pizza is plain and half of the pizza has pepperoni. Mary loves
Julli [10]

Answer:

3/10 of the renaming full pizza has pepperoni

Step-by-step explanation:

Here, we want to calculate how much of the remaining pizza had pepperoni.

From the question, 1/2 has pepperoni and 1/2 is plain without pepperoni

she eats 1/5 of the pizza having pepperoni, this means that she is actually left with some parts is the half having pepperoni

The actual of the half remaining with pepperoni will be 1/2 - 1/5 = 3/10

This means that 3/10 of the remaining full pizza has pepperoni

7 0
3 years ago
What are all solutions to the differential equation dy/dx=sec^2*x ?
zysi [14]

Answer:

y=tanx+C

Step-by-step explanation:

\frac{dy}{dx}  =  {sec}^{2}  \: x \\  \\ dy = {sec}^{2}  \: x \: dx \\  integrating \: both \: sides \\  \\  \int \:1\: dy =  \int {sec}^{2}  \: x \: dx \\  \\  \huge \red{ \boxed{ \therefore \: y = tan \: x + c}} \\

4 0
3 years ago
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