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3 years ago

Using the distributive property, which number sentence represents the total area of the rectangle?

Mathematics

1 answer:

Daniel [21]3 years ago

8 0

D. is the answer. Your welcome

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Given that 3^-n=0.2<br> Find the value of (3^n)^2

dybincka [34]

Step-by-step explanation:

3^-n=0.2

1/3^n=0.2

1=0.2(3^n)

3^n=1/0.2

3^n=5

(3^n)²=5²

(3^n)²=25

7 0

3 years ago

A pair of dice is rolled, and the sum of the numbers is either 7 or 11. What is the probability of this event?

AfilCa [17]

Answer: $\dfrac{2}{9}$

Step-by-step explanation:

Let A be the event that the sum is 7 and and B be the event that the sum is 11 .

When two pair of dices rolled the total number of outcomes = $n(S)=6\times6=36$

The sample space of event A ={(1,6), (6,1), (5,2), (2,5), (4,3), (3,4)}

Thus n(A)= 6

The sample space of event B = {(5,6), (6,5)}

n(B)=2

Since , both the events are independent , then the required probability is given by :-

$P(A\cup B)=P(A)+P(B)\\\\=\dfrac{n(A)}{n(S)}+\dfrac{n(B)}{n(S)}=\dfrac{6}{36}+\dfrac{2}{36}=\dfrac{8}{36}=\dfrac{2}{9}$

Hence, the required probability = $\dfrac{2}{9}$

7 0

3 years ago

Read 2 more answers

If one inch represents 3 units, what dimensions would you use to draw a rectangular field that is 20 units by 14 units?

mezya [45]

Answer:

Step-by-step explanation:

If 1 inch = 3 units,

Therefore 1 unit = ⅓ inches, so to answer your question we have to

Multiply it by 20, to have :

20 units = 20× ⅓ = 20÷3

20 units = 6.66

Therefore we can use the same principle in that of 14 units.

14 units = (14 × ⅓) inches

14 units = 4.66 inches

PLEASE GIVE BRAINLIEST.

5 0

3 years ago

Adam invested $12,000 in a six-year CD that paid 7.1% interest, but later needed to withdraw $2,500 early. If the CD's penalty f

Neporo4naja [7]

Answer:

Step-by-step explanation:

The amount Adam invested in a six years CD was $12,000 was 7.1%

Adam made a withdrawal of $2500 early. The early withdrawal was worth eighteen months of interest on the amount withdrawn.

Monthly interest = 7.1% / 12

= 0.59%

The interest for 18 months will be

(7.1% /12)18

= 10.65%

The penalty for withdrawing early was 18 months worth the interest on the amount withdrawn

= 2500 * 10.65%

= 266.25

This means Adam needs to pay a penalty of $266.25 for withdrawing early

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3 years ago

Please turn the sentence into an expression

diamong [38]

Answer:

Do U-Turn

Step-by-step explanation:

4 0

3 years ago

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