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3 years ago

How would you do this?

Mathematics

2 answers:

s344n2d4d5 [400]3 years ago

7 0

Answer:

aileenessayhelp.com

olga nikolaevna [1]3 years ago

4 0

Use quiz for the answer xd

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Can you help me out with number 7

Ratling [72]

Answer:

111

Step-by-step explanation:

Please mark brainliest

7 0

3 years ago

if it takes someone takes 3 seconds to run 1cm how long will it take to run around the circle? Use 3.14 for pie.

jasenka [17]

Answer:

30 sec.

Step-by-step explanation:

Multiply 10(amount total)*3( one cm)

4 0

3 years ago

There are 85 party favors. Each bag can hold 7 party favors. How many full bags are there? How many party favors are left over?

Mama L [17]

Answer:

12 full bags with one favor left over

Step-by-step explanation:

85/7 = 12.14285714, so 12 bags will be full

7*12=84

85-84=1, so one favor left over

8 0

4 years ago

If cos0=3/5 and θ is in quadrant IV, sin20=?

alexandr402 [8]

Answer:

$sen(2\theta) =\frac{24}{25}$

Step-by-step explanation:

We know that $cos(\theta) =\frac{3}{5}$ and θ is in quadrant IV

To find $sin(\theta)$ we use the following identity

$sin^2(\theta)=1-cos^2(\theta)$

$cos^2(\theta) =\frac{3^2}{5^2}$

$cos^2(\theta) =\frac{9}{25}$

Then

$sin^2(\theta)=1-\frac{9}{25}$

$sin^2(\theta)=\frac{16}{25}$

$sin(\theta)=\±\sqrt{\frac{16}{25}}$

In the IV quadrant the $sin(\theta)> 0$ then we take the positive solution

$sin(\theta)=\frac{4}{5}$

Finally to find $sin(2\theta)$ we use the following identity

$sen(2\theta) = 2 sen(\theta) cos(\theta)$

Finally

$sen(2\theta) = 2*\frac{4}{5}*\frac{3}{5}$

$sen(2\theta) =\frac{24}{25}$

5 0

4 years ago

The price of an item yesterday was $180. Today, the price rose to $441. Find the percentage increase.

NeTakaya

Answer:

245% Increase

Step-by-step explanation:

1) Divide the price of the following day by the previous one.

441/180 = 2.45

2) Multiply by 100 to convert from decimal to percentage.

2.45 * 100 = 245%

3) There was a 245% increase in the price of an item from yesterday to today.

3 0

2 years ago