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3 years ago

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

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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

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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