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bulgar [2K]
2 years ago
11

Tips for Success Read the assignment carefully and make sure you answer each part of the question or questions Check your work w

hen you're done. Your Assignment Miguel is building a doghouse. He cuts one sheet of wood to make the front wall. He also cuts out a door that is 2 feet by 2 feet. The dimensions, in feet, are shown in the diagram. 2 ft 317​
Mathematics
1 answer:
Vanyuwa [196]2 years ago
7 0

Answer:

What’s the answer

Step-by-step explanation:

?

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Nifal earned 9$ for washing two cars .He recived $1 more for the second car.How much was he paid for washing each car?Which two
Sveta_85 [38]

Answer:

Nifal received $ 4 for washing the first car.

Nifal received $ 5 for washing the second car.

4 and 5 have a sum of 9.

Step-by-step explanation:

The problem can be rewritten as follows: Find the sum of two consecutive entire numbers equal to 9. That is:

x + y = 9

y = x+1

Then, by eliminating y:

x + (x+1) = 9

2\cdot x + 1 = 9

Now, let is clear x:

2\cdot x = 8

x = 4

Nifal received $ 4 for washing the first car.

The earning for the second car is: (x = 4)

y = x +1

y = 4 + 1

y = 5

Nifal received $ 5 for washing the second car.

4 and 5 have a sum of 9.

8 0
3 years ago
A right triangle has a hypotenuse C=12cm and a an angle A= 30°. find the length of side a, witch is opposite angle A
Alisiya [41]
Use the sin identity to find that side.  Sin(30) = a/12...12 sin(30) = a, and a = 6
7 0
3 years ago
A mountain has a 20 degree slope, and is 1 mile tall. How far do you need to hike to reach the summit?
netineya [11]

Answer:21

Step-by-step explanation:

3 0
2 years ago
So, the additive inverse of -7/8 is​
zlopas [31]

Answer:

Im prett sure its 7/8

Step-by-step explanation:

The additive inverse of a number is a number that, when added, goes to zero. For example, 7 is -7 because when added it equals 0 (or 7-7)

8 0
3 years ago
Find the critical numbers of the function. (Enter your answers as a comma-separated list. Use n to denote any arbitrary integer
lyudmila [28]

If

f(\theta)=10\cos\theta+5\sin^2\theta

then the derivative is

f'(\theta)=-10\sin\theta+10\sin\theta\cos\theta

Critical points occur where f'(\theta)=0. This happens for

-10\sin\theta+10\sin\theta\cos\theta=0

-10\sin\theta(1-\cos\theta)=0

\implies-10\sin\theta=0\text{ or }1-\cos\theta=0

In the first case, we find

-10\sin\theta=0\implies\sin\theta=0\implies\theta=n\pi

In the second,

1-\cos\theta=0\implies\cos\theta=1\implies\theta=2n\pi

So all the critical points occur at multiples of \pi, or n\pi. (This includes all the even multiples of \pi.)

3 0
3 years ago
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