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Alla [95]
2 years ago
10

Please help me I will give 30 points

Mathematics
2 answers:
LuckyWell [14K]2 years ago
8 0

Answer:

a, c, & d

Step-by-step explanation:

LekaFEV [45]2 years ago
3 0

-6,1 , 0,5 , 1,7 hope this help

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19. Find the volume of a sphere with radius 9.25 cm. Use 3.14 as an approximation for pi. Round the answer to two decimal places
natima [27]
19. The formula for finding the volume of a sphere is 4/3πr^3
The problem says the radius is 9.25 cm.
Just plug in the numbers and solve:
4/3(3.14)(9.25^3)
9.25^3 = ~791.45
4/3(3.14)(791.45)
4/3 • 3.14 = ~4.19
4.19 • 791.45 = 3316.1755
It says to round to 2 decimal places so the answer to this question would be 3316.18.
That means 3316.18 is the volume of the sphere.

20. It's always best to change words into an equation.
-16 - w
w = -23
Plug in the number to the variable:
-16 - (-23)
Double negatives (a negative being subtracted) turn into a plus (positive being added).
-16 + 23 = 7
So the answer is 7.

25. Complementary angles are angles with a sum of 90º.
If angle A is 27º, just subtract that from 90º to get the measure of angle B.
90 - 27 = 63
So angle B is 63º, and the answer is A.
3 0
3 years ago
Who know how to do this 100% smart
chubhunter [2.5K]

Answer:

1- \frac{1}{2}

2- 1

3- -2

Step-by-step explanation:

1-

Add the numbers : \frac{5}{10}

Reduce the fraction with 5 : \frac{1}{2}

Solution : \frac{1}{2}

2-

Calculate the difference: \frac{-3}{-3}

Divide: 1

Solution: 1

3-

Subtract the numbers: \frac{6}{-3}

Reduce the fraction : -2

Solution: -2

4 0
3 years ago
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What is the probability of choosing a red card from a deck of cards? Type your answer as a fraction.
siniylev [52]

Answer:

26/52 or 1/2

Step-by-step explanation:

There are 1-9, King, Queen, Jack, for both Diamonds and Hearts

6 0
3 years ago
Answer sheet for math work?
Anna71 [15]

Answer: what math work

Step-by-step explanation:

6 0
3 years ago
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Makayla has $8 to buy tickets at the school fair. each ticket costs $1.50. which inequality best represents how many tickets she
forsale [732]

Answer:

N < 5

Step-by-step explanation:

"Makayla has $8 to buy tickets at the school fair. each ticket costs $1.50" can be written as $8 = ($1.50/ticket)*N.

Dividing both sides by ($1.50/ticket) results in

        $8

---------------------- = 5 1/3 tickets

 ($1.50/ticket)

or N < 5.

7 0
3 years ago
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