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2 years ago

Help me plz urgent I’ll give brainliest and it’s worth 20 pts

Mathematics

1 answer:

castortr0y [4]2 years ago

5 0

Answer:

108°

Step-by-step explanation:

You convert the percentages into degrees by taking the percentage of the candy then you divide it by the total percentage of the pie chart of which is 30% divided by 100% then you multiply it by 360 then you'll get your answer to be 108°

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Which absolute value function defines this graph?

bixtya [17]

The first one because it has a negative slope (which is -4) and h is always the opposite while k stays the same. By the way h is the 2 and k is the 3

6 0

2 years ago

Read 2 more answers

Prove that sinA-sin3A+sin5A-sin7A/cosA-cos3A-cos5A+cos7A= cot2A

MAVERICK [17]

Write the left side of the given expression as N/D, where
N = sinA - sin3A + sin5A - sin7A
D = cosA - cos3A - cos5A + cos7A
Therefore we want to show that N/D = cot2A.

We shall use these identities:
sin x - sin y = 2cos((x+y)/2)*sin((x-y)/2)
cos x - cos y = -2sin((x+y)/2)*sin((x-y)2)

N = -(sin7A - sinA) + sin5A - sin3A
= -2cos4A*sin3A + 2cos4A*sinA
= 2cos4A(sinA - sin3A)
= 2cos4A*2cos(2A)sin(-A)
= -4cos4A*cos2A*sinA

D = cos7A + cosA - (cos5A + cos3A)
= 2cos4A*cos3A - 2cos4A*cosA
= 2cos4A(cos3A - cosA)
= 2cos4A*(-2)sin2A*sinA
= -4cos4A*sin2A*sinA

Therefore
N/D = [-4cos4A*cos2A*sinA]/[-4cos4A*sin2A*sinA]
= cos2A/sin2A
= cot2A

This verifies the identity.

4 0

2 years ago

Write the expression in simplest form. (-11/2x +3) - 2(-11/4 x - 5/2) =

Alex777 [14]

Answer:

what is it equal to

Step-by-step explanation:

3 0

2 years ago

Write each ratio in simpler form 36:90

Gnesinka [82]

The answer to this in simpler form is 2/5

7 0

3 years ago

Randy has two 28-pound blocks of ice for his snow cone stand. 1). How many pounds of ice does randy have at his snow cone stand?

dalvyx [7]

Randy has 56 pound blocks of ice for his snow cone stand

Tons of ice is 0.028 tons or $\frac{7}{250} \text{ tons }$

Solution:

Randy has two 28-pound blocks of ice for his snow cone stand

1). How many pounds of ice does randy have at his snow cone stand?

Calculate the total pounds that Randy has

Total pounds = 2 x 28 = 56

Thus Randy has 56 pound blocks of ice for his snow cone stand

2) How many tons of ice is there?

Total pounds of ice = 56 pounds

So we have to convert 56 pounds to tons

Use the conversion factor

1 pound = 0.0005 ton

Therefore, 56 pounds is equal to,

56 pound = 0.0005 x 56 tons = 0.028 tons

Thus in decimal we got, 0.028 tons

Convert to fraction form,

$0.028 = \frac{0.028}{1000} \times 1000 = \frac{28}{1000} = \frac{7}{250}$

Thus tons of ice is 0.028 tons or $\frac{7}{250} \text{ tons }$

8 0

2 years ago