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3 years ago

7

please help its says solve 7 3/4 + 2/4 then it says Reduce all fractions to their lowest terms. 12 5/4 12 1/4 11 5/4 11 6/4 11 1

/4

1 answer:

Maru [420]3 years ago

5 0

Answer:

8 1/4 or 33/4

Step-by-step explanation:

7 3/4=31/4

31/4+2/4=33/4

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How do you factor 6x^2+14x+4

Taya2010 [7]

(3x+1) (2x+4)

When the first number has multiple factors (like 6) it often times seems to be the factors that are closest together (3×2 instead of 6×1) So I usually use that as a starting point and play with the numbers until you find your answer. The more you do it, the easier it gets. And remember to always check your answer!

3 0

3 years ago

4:X is equivalent to 24:12<br> X=???

Elena-2011 [213]

Answer:

X=2

Step-by-step explanation:

Ratios

4:x = 24:12

24:12 reduced is 2:1

Therefore we can see x must be half of 4.

So the answer is 2

Hope this helps! :)

pls mark brainiest

6 0

3 years ago

Read 2 more answers

3/5 divided by 1/2

balu736 [363]

Answer:

The work space in Elisha's room has a width of 1/2 meter and an area of 3/5 square meter. How long is it?

Step-by-step explanation:

In this, width of the room is given and the area is given. We have to find the length.

To find the length, area should be divided by width.

ie. 3/5 divided by 1/2

6 0

3 years ago

Although cities encourage carpooling to reduce traffic congestion, most vehicles carry only one person. For example, 64% of vehi

ira [324]

Answer:

a) 0.7291 is the probability that more than half out of 10 vehicles carry just 1 person.

b) 0.996 is the probability that more than half of the vehicles carry just one person.

Step-by-step explanation:

We are given the following information:

A) Binomial distribution

We treat vehicle on road with one passenger as a success.

P(success) = 64% = 0.64

Then the number of vehicles follows a binomial distribution, where

$P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}$

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 10

We have to evaluate:

$P(x \geq 6) = P(x =6) +...+ P(x = 10) \\= \binom{10}{6}(0.64)^6(1-0.64)^4 +...+ \binom{10}{10}(0.64)^{10}(1-0.79)^0\\=0.7291$

0.7291 is the probability that more than half out of 10 vehicles carry just 1 person.

B) By normal approximation

Sample size, n = 92

p = 0.64

$\mu = np = 92(0.64) = 58.88$

$\sigma = \sqrt{np(1-p)} = \sqrt{92(0.64)(1-0.64)} = 4.60$

We have to evaluate the probability that more than 47 cars carry just one person.

$P(x \geq 47)$

After continuity correction, we will evaluate

$P( x \geq 46.5) = P( z > \displaystyle\frac{46.5 - 58.88}{4.60}) = P(z > -2.6913)$

$= 1 - P(z \leq -2.6913)$

Calculation the value from standard normal z table, we have,

$P(x > 46.5) = 1 - 0.004 = 0.996 = 99.6\%$

0.996 is the probability that more than half out of 92 vehicles carry just one person.

5 0

3 years ago

Nostrana [21]

Answer: can I see the choices?

Step-by-step explanation:

5 0

3 years ago