Mathematics College

Could use help on this please. No wrong answers! I NEED to get an A on this otherwise I'll have to literally repeat the year.

Answers

Answer 1

Answer:

blank 1: 0.75b

black 2: 2/5p

Related Questions

Need help please!!!!!

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maybe 54 I think I’m not sure

Answer:
i think it is 63°

Explanation:

the rhombus is 360°, 54x2=108
360-108=252
252/2=126 (angles HGF and HEF)
126/2=63

Jadan has a drawer of different colored t-shirts. He has 4 white t-shirts, 5 black t-shirts, 3 red t-shirts and 2 blue t-shirts. He is going out of town and is in need of 2 t-shirts. What is the probability that he will randomly choose a white t-shirt without replacement and then choose a blue t-shirt?

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Answer:

25%

Step-by-step explanation:

Help me pls I don’t get this one

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Answer: <BAC is 28.5

Step-by-step explanation:

line AO and Line OB are congruent (both are radius of the circle)

<BAC and <OBA are congruent

<AOB is linear to BOC so 180-57= 123 <AOB is 123

Triangle AOB is Isosceles

2a+123=180

2a=57

a=28.5

click image to see it all..... thank you

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Answer:

x = 7.5

Step-by-step explanation:

Proportions:

5 x

_ = _

6 9

Work out the size of angle x

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Answer:

65°

Step-by-step explanation:

This Venn diagram shows the relationship of the subsets of the real number system.
Which of the following sets would belong to the whole numbers?

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Answer:

Step-by-step explanation:

Whole numbers are numbers without fractions or integers.

please help with this question i just need the volume

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Answer: 4) 49 1/2

5) 15

Step-by-step explanation:

To find volume you must use L x W x H.

4) 3 x 3 x 5.5= V

3 x 3 = 9

9 x 5. 5= 49.5

5) 2 x 2 x 3.75= V

2 x 2= 4

4 x 3. 75 = 15

Add the fractions 3/14+15/21. Simplify your answer

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When simplified, it should be 13/14

The solution of fractions 3/14 + 15/21 is,

⇒ 3/14 + 15/21 = 39/42

We have to given that,

To add the fractions 3/14 and 15/21.

Now, We can add the fractions as,

⇒ 3/14 + 15/21

Since, LCM of 1 and 21 are 42.

Hence, Make the denominator same,

⇒ 9/42 + 30/42

⇒ (9 + 30) / 42

⇒ 39/42

Therefore, The solution of fractions 3/14 + 15/21 is,

3/14 + 15/21 = 39/42

Learn more about the fraction visit:

https://brainly.com/question/5454147

#SPJ6

Marvin has a bag that contains 3 red marbles and 9 blue marbles he will randomly select a marble from the bag what is the probability that Marvin will select a red marble

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Answer:

now how

Step-by-step explanation:

because he likes red marbles

i dont know

please
What is the theoretical probability of the event that a family with two children has two boys? Make a tree diagram to help solve the problem.
a.
One-half
b.
One-fourth
c.
One-sixth
d.
StartFraction 1 Over 8 EndFraction

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Bb Bg Gg Gb

Makes it a 1 of 4 probability

What does a data distribute look like if it's MAD equals zero

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Answer:

Because a MAD is the average of distances, which can never be negative, the MAD is always zero or a positive number.

DUE IN THREE MINUTES
i give brainliest
factor each expression:
9+21
14+28
80+56

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Answer:

Step-by-step explanation:

The secret trick to factoring is the greatest common factor.

The greatest common factor of 9 and 21 is 3. Thus, our expression is

3(3 + 7).

The greatest common factor of 14 and 28 is 7. Our expression is

7(2 + 4)

The greatest common factor of 80 and 56 is 8. This makes our expression

8(10 + 7).

Answer
3(3+7)
7(2+4)
8(10+7)

Solve each system by eliminating one of the variables by addition or
subtraction.

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Answer:

Step-by-step explanation:

hello :

here is an solution

|x − 5| − |2 − x| + |x + 1| , if x ≥ 5

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Answer:

Step-by-step explanation:

Directions: Evaluate the following combinations and determine the value of the
unknown. Write the complete solutions in your answer sheet.
1. nCs = 126
2. 10Cr= 252
3. C(n, 5) + 8 = 9
4. C(n+1, 7) = 01
5. C(6r, 6-1) = 12 + C(4,2)

what is the answer with solution po

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Answer:

1. C(9,4) : n=9, s=4

2. C(10,5) : r=5

3. C(5,5) : n=5

4. C(7,7) : n=6

5. C(18,17) : r=3

Step-by-step explanation:

A certain store sells only T-shirts. Let the random variable X represent the number of T-shirts bought from the store on any day, with a mean of 75 and a standard deviation of 20. Let the random variable Y be the total revenue from this store on a randomly selected day. If the store charges $15 per T-shirt, what are the mean and standard deviation of Y

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Answer:

[tex](a)\ \mu_y = 1125[/tex]

[tex](b)\ \sigma_y = 300[/tex]

Step-by-step explanation:

Given

[tex]\mu_x = 75[/tex] -- Mean of T-shirts

[tex]\sigma_x = 20[/tex] -- Standard deviation of T-shirts

[tex]Rate = \$ 15[/tex]

Solving (a): The mean of the revenue [tex](\mu_y)[/tex]

To solve this, we use:

[tex]\mu_y = Rate * \mu_x\\[/tex]

This gives:

[tex]\mu_y = 15 * 75[/tex]

[tex]\mu_y = 1125[/tex]

Solving (b): The standard deviation of the revenue [tex](\sigma_y)[/tex]

To solve this, we use:

[tex]\sigma_y = \sqrt{Rate^2 * \sigma_2^2}[/tex]

This gives:

[tex]\sigma_y = \sqrt{15^2 * 20^2}[/tex]

[tex]\sigma_y = \sqrt{90000}[/tex]

[tex]\sigma_y = 300[/tex]

it's this one!!!!_;$;;#+$;

Answers

Answer:

12 Units

A total of 12 units have been traveled.

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Answers

Answer:

1,172.3 cm³

Step-by-step explanation:

Find the volume of one rod, then divide the total volume of steel used by the volume of one rod. The volume of one rod is

V = (πd²/4)h

d = 4 cm

h = 20 cm

Plugin the numbers and get V in cm³, then divide the given total volume of 28,134.4 cm³ by V. If the result is not an integer, then round down.

Add

20 + 4 = 24

Then

28,134.4 ÷ 24 = 1172.26

Rounded to the nearest 0.1 or the Tenths Place = 1,172.3

Therefore, 1,172.3 rods will be made per hour.

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