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2 years ago

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Sylvia walked 3/4 miles east from her house to the bank. Then she walked 1/3 miles west to a gift shop. From the gift show, she

walked 1/4 miles west to a grocery store. How far is the grocery store from Sylvia’s house? Write your answer in simplest form.

1 answer:

Ivahew [28]2 years ago

5 0

The grocery store is 1 1/3 mile from her house (80% sure on that)

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The weights of cars passing over a bridge have a mean of 3,550 pounds and standard deviation of 870 pounds. Assume that the weig

Annette [7]

Answer:

0.24315

Step-by-step explanation:

Using the z score formula to solve this question

z = (x - μ) / σ,

Such that:

x = raw score

μ = population mean

σ = population standard deviation.

From the question:

x = 3000

μ = 3550

σ = 870

z = (3000 - 3550) / 870

z = -550/870

z = -0.6962

Using the z score table as well as probability calculator(as requested in the question to find the z score)

The probability of having less than 3000 is obtained as:

P(x<3000) = 0.24315

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On some days,Melvin commutes 3.5 hours per day to the city for business meetings.Last week he commuted for a total of 14 hours.H

DanielleElmas [232]

Formula:

Total hours ÷ hour per day

14 ÷ 3.5 = 4.

The answer is 4.

He commuted 4 days for the city.

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2 years ago

Write -2x 2(-5x 2 +4x 3) in standard form.

Anvisha [2.4K]

This in standard form is -28x + 10.

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2 years ago

g A car company is testing a new type of tire. They want to determine the stopping distance if the car has anti-lock brakes or n

Keith_Richards [23]

Answer:

Road conditions

Step-by-step explanation:

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2 years ago

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Katena32 [7]

Answer:

He should spend 3 minutes or less on each scale

Sven made a mistake in the symbol of inequality, placing lesser or equal instead of greater or equal

Step-by-step explanation:

Let

t ------> is the number of minutes he spends on each scale

Remember that the phrase "at least" is equal to "greater than or equal"

so

The inequality that represent this scenario is

$70-5t \geq 55$

solve for t

$-5t \geq 55-70$

$-5t \geq -15$

Multiply by -1 both sides

$5t \leq 15$

Divide by 5 both sides

$t \leq 3$

Sven is incorrect

He should spend 3 minutes or less on each scale

Sven made a mistake in the symbol of inequality, placing lesser or equal instead of greater or equal

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2 years ago