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alexira [117]
3 years ago
5

Multiply (8a3b2)(2a2b).

Mathematics
1 answer:
Fudgin [204]3 years ago
6 0
I'll do the first and second questions
96a {}^{2} b {}^{3}
2x {}^{4} y - 6xy {}^{3}
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Robin used one fourth of a pound of butter to make a cake. Before she started she seven eighths of a pound of butter. How much b
ad-work [718]

Answer:

\dfrac{5}{8} pounds.

Step-by-step explanation:

To find how much butter Robin had after baking, we first need to find how much she initially had.

According to the problem Robin had 7/8 of a pound of butter.

She used 1/4 of a pound of butter to make a cake.

This gives us:

\dfrac{7}{8}-\dfrac{1}{4})

Since we have different denominators, we need to first find the LCD of the fractions.

\dfrac{7}{8}-\dfrac{1}{4}(\dfrac{2}{2}

\dfrac{7}{8}-\dfrac{2}{8}

Now that they have the same denominators, we can then subtract them directly.

\dfrac{5}{8} pounds.

8 0
4 years ago
Suppose the sample space for a continuous random variable is 0 to 400. If
Sever21 [200]

Answer:

P(72 ≤ x ≤ 400) = 0.82. Correct: C.

Explanation:

<u>Probability Distribution</u>

In any probability distribution, the total probability of the sample space must be 1.

Since the sample space is given as a random variable x that takes values from 0 to 400, then:

P(0 ≤ x ≤ 400) = 1

For any value of x:

If the sample space is divided into two parts like:

P(0 ≤ x ≤ 72) and P(72 ≤ x ≤ 400), then the combined probability must be 1:

P(0 ≤ x ≤ 72) + P(72 ≤ x ≤ 400) = 1

Or, equivalently:

P(72 ≤ x ≤ 400) = 1 - P(0 ≤ x ≤ 72)

P(72 ≤ x ≤ 400) = 1 - 0.18

P(72 ≤ x ≤ 400) = 0.82

A. The value 0.92 is not correct since does not match with the value 0.82.

B. The value 0.18 is not correct since does not match with the value 0.82.

C. This is the correct value. Correct Choice

D. The value 0.982 is not correct since does not match with the value 0.82.

7 0
3 years ago
4 parts oil for every 3 parts vinegar how much oil to make 28 teas dressing
IgorLugansk [536]
Can you please repeat the question. I don’t fully understand.
5 0
3 years ago
Read 2 more answers
Of 20 test​ scores, four are less than or equal to 85. What is the percentile rank of a test score of ​85
N76 [4]

Answer:

Bottom 20% percentile

Step-by-step explanation:

4/20= .2

8 0
3 years ago
Pythagorean theorem, I'm trying to fix my grade for school so I get my phone back
Harrizon [31]

If you would illustrate the problem, you will be able to formulate a triangle with the measurement of the hypotenuse (distance between the two shops) to be missing. Using the Pythagorean Theorem, the formula to compute for the hypotenuse is:

c = √a^2 + b^2

c = √(20)^2 + (13.5)^2

c = √400 + 182.25

c = √582.25

c = 24.13 km

Therefore, the distance between the two shops is approximately 24.13 km.

 

4 0
3 years ago
Read 2 more answers
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