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Elanso [62]
3 years ago
11

Luke and Lena's parents allow them to borrow against their allowances. The ineguality − $ 11.50 < − $ 10.75 compares the curr

ent balances they have with their parents. Luke has a greater debt with his parents than Lena has. How much does Luke owe his parents? Explain.
Mathematics
1 answer:
Leto [7]3 years ago
7 0

Answer:

$11.50

Step-by-step explanation:

I believe that $11.50 is the amount that Luke owes to his parents because their parents let them go beyond their allowances. Right now Luke is at debt for $-11.50 and has to pay their parents $11.50.

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2) Ms. Van is going to build a small rectangular garden in a part of her yard. The
Zina [86]

Answer:

Area = 3x^2 + 4x

Step-by-step explanation:

Givens

W = x

L = 3x + 4

Formula

Area = L * W

Solution

Area = x(3x + 4)

Area = 3x^2 + 4x

3 0
2 years ago
Find the volume of this cylinder.<br> Give your answer to 1 decimal place.<br> 9 cm<br> 20 cm
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If 9 is the radius and 20 is the height then it would be 5089.4 cm^3
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3 years ago
T- 4t^2 + 2t^3<br> What is the degree of the polynomial?
Eduardwww [97]

Answer:

3rd degree

Step-by-step explanation:

The highest exponent is a 3, meaning this is a 3rd degree polynomial.

4 0
3 years ago
What is the probability a sample of 90 test takers will provide a sample mean test score within 10 points of the population mean
Elena-2011 [213]

Answer:

0.658 is the probability that a sample 90 test takers will provide a sample mean test score within 10 points of the population mean of 502.

Step-by-step explanation:

The following information is missing:

The standard deviation of population is 100.

We are given the following information in the question:

Population mean, μ = 502

Standard Deviation, σ = 100

Sample size, n  = 90

Standard error =

\dfrac{\sigma}{\sqrt{n}} = \dfrac{100}{\sqrt{90}} =  10.54

Formula:

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

P(test score within 10 points)

P(492 \leq x \leq 512) \\\\= P(\displaystyle\frac{492 - 502}{10.54} \leq z \leq \displaystyle\frac{512-502}{10.54}) \\\\= P(-0.9487 \leq z \leq 0.9487)\\= P(z \leq 0.9487) - P(z < -0.9487)\\= 0.829 -0.171 = 0.658 = 65.8\%

P(492 \leq x \leq 512) = 65.8\%

0.658 is the probability that a sample 90 test takers will provide a sample mean test score within 10 points of the population mean of 502.

7 0
3 years ago
Look at the subtraction expression below.
nadezda [96]

Answer:

A

Step-by-step explanation:

I took the quiz

4 0
2 years ago
Read 2 more answers
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