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3 years ago

Which ratio is equivalent to 5:4 ?

1 answer:

6 0

Think of the ratio 5:4 as 5/4......an equivalent ratio is going to be an equivalent fraction.
5/4 = 10/8 = 15/12 = 20/16...and anything else that is equivalent...and these can be written as ratios 10:8, 15:12, 20:16....

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A 26-foot long ladder is leaning against a building

xxTIMURxx [149]

Answer:

Step-by-step explanation:

cos(60) =building height / 26

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2 years ago

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A theater has 384 seats. Each row has 16 seats. What is the value of x in the area model?

yawa3891 [41]

Answer:

x=4

Step-by-step explanation: 64/16=4

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2 years ago

Lauren says that -3.5 is greater than -3 1/3. Do you agree? Explain.

kirza4 [7]

Answer:

$-3\frac{1}{2}$

Step-by-step explanation:

-3.5 means -(3 + $\frac{1}{2}$ )

In other words, -3.5 = $-3\frac{1}{2}$

When we draw two numbers $-3\frac{1}{3}$ and $-3\frac{1}{2}$ on a number line, $-3\frac{1}{2}$ comes first from left to right.

We know that all the numbers on a number line from left to right are in increasing order.

Therefore, $-3\frac{1}{2}$ is smaller than $-3\frac{1}{3}$ .

$-3\frac{1}{2}$

Lauren is not correct.

3 0

2 years ago

What Is the answer for 11/12+6/10?

kirill115 [55]

Answer:

91/60

1.516

1 31/60

Step-by-step explanation:

comment how it helps

3 0

3 years ago

Assume that the weight of two year old babies have distribution that is approximately normal with a mean of 29 pounds and a stan

Lana71 [14]

Answer:

25.15 ponds is the weight of two year old baby corresponds to 10th percentile.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 29 pounds

Standard Deviation, σ = 3 pounds

We are given that the distribution of weight of two year old babies is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

We have to find the value of x such that the probability is 0.10

P(X < x)

$P( X < x) = P( z < \displaystyle\frac{x - 29}{3})=0.10$

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

$P(z < -1.282) = 0.10$

$\displaystyle\dfrac{x - 29}{3} = -1.282\\x = 25.154 \approx 25.15$

Thus, 25.15 ponds is the weight of two year old baby corresponds to 10th percentile.

5 0

3 years ago