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Amiraneli [1.4K]

2 years ago

15

Loretta is trying to build the largest taco in the world she uses 2000 pounds of ground beef one tenth as many pounds of cheese

as beef and one hundredth as many pounds of lettuce as beef.How many pounds of lettuce and cheese combined did she use

1 answer:

lakkis [162]2 years ago

3 0

Answer:

2000

Step-by-step explanation:

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A 6th grade math teacher can grade 15 homework assignments in 24 minutes. If he works at the same rate, how long should it take

coldgirl [10]

Answer:

57.6

Step-by-step explanation:

If hê works 15 grades in 24 min how long hê will take to finish 36 grades

15 grades= 24 min

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2 years ago

4% of _____ days is 56 days

schepotkina [342]

We have an equation: 56/? = 4/100

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4*? = 56*100
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3 years ago

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Solve the following system of equation 5x-y=-4<br> -3x+2y=-6

Delicious77 [7]

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3 years ago

Engineers want to design seats in commercial aircraft so that they are wide enough to fit 9090% of all males. (Accommodating 1

Molodets [167]

Answer:

Hip breadths less than or equal to 16.1 in. includes 90% of the males.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 14.5

Standard Deviation, σ = 1.2

We are given that the distribution of hip breadths 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)

$P( X > x) = P( z > \displaystyle\frac{x - 14.5}{1.2})=0.10$

$= 1 -P( z \leq \displaystyle\frac{x - 14.5}{1.2})=0.10$

$=P( z \leq \displaystyle\frac{x - 14.5}{1.2})=0.90$

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

$P(z < 1.282) = 0.90$

$\displaystyle\frac{x - 14.5}{1.2} = 1.282\\x = 16.0384 \approx 16.1$

Hence, hip breadth of 16.1 in. separates the smallest 90% from the largest 10%.

That is hip breaths greater than 16.1 in. lies in the larger 10%.

4 0

2 years ago