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2 years ago

Add 2/3+1/4. You MUST show your work to receive full credit

Mathematics

2 answers:

makkiz [27]2 years ago

8 0

Write all numerators above the least common denominator.
8+3/12
Add the numbers.
Solution 11/12

Leni [432]2 years ago

5 0

Answer:

11/12

Step-by-step explanation:

2/3 +1/4

We get the Least Common Multiple and that is 12. Dividing 12 by the denominator, 3 in the first fraction gives 4. i.e. 12/3= 4. Then 4×2 ( numerator) is 8. 8+ (12/4 ×1) = 8 + 3= 11.

Thus we have 11/12 as the answer

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8. Solve x/10 = –7. A. x = –0.7 B. x= –17 C. x = –70 D. x = 3

ANEK [815]

For this problem, I believe you would just have to plug in for x.

For example, -17 divided by 10 and so on.

The answer should be C, -70. -70 divided by 10 equals -7.

4 0

2 years ago

The heights of North American women are nor-mally distributed with a mean of 64 inches and a standard deviation of 2 inches. a.

serious [3.7K]

Answer:

0.1587

Step-by-step explanation:

Given the following :

Mean (m) of distribution = 64 inches

Standard deviation (sd) of distribution = 2 inches

Probability that a randomly selected woman is taller than 66 inches

For a normal distribution :

Z - score = (x - mean) / standard deviation

Where x = 66

P(X > 66) = P( Z > (66 - 64) / 2)

P(X > 66) = P(Z > (2 /2)

P(X > 66) = P(Z > 1)

P(Z > 1) = 1 - P(Z ≤ 1)

P(Z ≤ 1) = 0.8413 ( from z distribution table)

1 - P(Z ≤ 1) = 1 - 0.8413

= 0.1587

5 0

2 years ago

Is 3/4y=9 true or false

amm1812

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Answer:

Let's solve your equation step-by-step.

3 / 4 y = 9

Step 1: Multiply both sides by 4/3.

(4 / 3 ) * ( 3 / 4 y ) = ( 4 / 3 ) * ( 9 )

y = 12

Answer:

y = 12

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Insert 12 to the y value:

3 / 4 ( 12 ) = 9

9 = 9

True

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3 0

2 years ago

Read 2 more answers

6/5 ÷ ____ = 6 A. 1/5 B. 30 C. 1/30 D. 5

murzikaleks [220]

Answer:

A. $\displaystyle \frac{1}{5}$

Step-by-step explanation:

$\displaystyle \frac{6}{5} \div \frac{1}{5} = 6 \\ \\ OR \\ \\ \frac{6}{5} \div 6 = \frac{1}{5}$

I am joyous to assist you anytime.

4 0

3 years ago

The thompson's need their garage door opener repaired. the table shows the service charge and hourly labor fees for two repair c

pentagon [3]

All you need to do here is know where and how to plug in the numbers. In each equation, you'll have an initial fee, and an hourly fee, so your equation will be
y = i + hx, where i = the initial fee, and h = the hourly fee

So, after plugging them in, here's what you get:
Doors Galore: y = 40 + 50x
G&H: y = 60 + 40x

6 0

2 years ago