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mina [271]
3 years ago
13

Plz help ASAP plz!!!

Mathematics
1 answer:
zysi [14]3 years ago
7 0

Answer:

tan38 = 0.31

cos47 = -0.99

sin77 = 0.99

Step-by-step explanation:

There are several free online calculators that can help you do this! I recommend Desmos!

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Nancy earned $25, $60, and $42 for babysitting three times last week. She spent $48.95 of her babysitting earnings to buy a pair
iragen [17]

Answer:

Step-by-step explanation:

she has 78.05 dollars left over

6 0
3 years ago
Read 2 more answers
The five circles making up this archery target have diameters of length $2,4,6,8,$ and $10$. What is the total red area?
Sliva [168]

Answer:

A=15\pi\ units^2

Step-by-step explanation:

<u><em>The picture of the question in the attached figure</em></u>

we know that

It is given that the diameter of 5 circles making up the archery is 2,4,6,8, and 10.

To determine the total red area, we use the formula for area of the circle

A=\pi r^{2}

step 1

Find the Area of the 1st red circle

r=2/2=1\ unit ---> the radius is half the diameter

A_1=\pi (1)^{2}=\pi\ units^2

step 2

Find the Area of the 2nd white circle

r=4/2=2\ units ---> the radius is half the diameter

A_2=\pi (2)^{2}=4\pi\ units^2

step 3

Find the Area of the 3rd red circle

r=6/2=3\ units ---> the radius is half the diameter

A_3=\pi (3)^{2}=9\pi\ units^2

step 4

Find the Area of the 4th white circle

r=8/2=4\ units ---> the radius is half the diameter

A_4=\pi (4)^{2}=16\pi\ units^2

step 5

Find the Area of the 5th red circle

r=10/2=5\ units ---> the radius is half the diameter

A_5=\pi (5)^{2}=25\pi\ units^2

The total red area is given by

A=A_5-A_4+A_3-A_2+A_1

substitute

A=25\pi-16\pi+9\pi-4\pi+\pi

A=15\pi\ units^2

7 0
3 years ago
There are approximately fifty five million metric tons of apples grown each year. It has been estimated that half of all the app
Brut [27]

Answer:

Twenty-seven and a half million metric tons of apples are eaten fresh.

Step-by-step explanation:

The amount of metric tons of apples that are eaten fresh is equal to the half of the total amount of metric tons. That is:

m = \frac{55,000,000\,m-ton}{2}

m = 27,500,000\,m-ton

Twenty-seven and a half million metric tons of apples are eaten fresh.

3 0
3 years ago
A store manager set up a cardboard display to advertise a new brand of perfume. The display is a square pyramid whose base is 18
AleksandrR [38]
I think the answer is 13,824
8 0
3 years ago
Help me please.......
Afina-wow [57]

9514 1404 393

Answer:

  a) -2.7

  d) 0.4

Step-by-step explanation:

I like a graphing calculator as a tool for finding the solution to problems like this. The two function graphs intersect at x-values of -2.7 and +0.4.

3 0
3 years ago
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