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lorasvet [3.4K]
2 years ago
15

Drew drives his car and Rachel drives her truck in the same direction on the highway at constant speeds for 3.25 hours. During t

his time they do not stop for a break. Drew drives 178.75 miles, and Rachel drives 185.25 miles. Which statement is TRUE
Mathematics
1 answer:
never [62]2 years ago
4 0

Answer:

After 4.5 hours of driving at the same constant speeds, Drew and Rachel are 6.5 miles apart.

Hope This Helps :)

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Colleen compared the ratios 3:8 and One-half. Her work is shown below. Write the ratios as fractions: Three-eighths and One-half
labwork [276]

This question is Incomplete

Complete Question

Colleen compared the ratios 3:8 and 1/2.

Her work is shown below.

Write the ratios as fractions: 3/8 and 1/8 Compare the numerators: 3 > 1 Write the correct statement: 3/8 > 1/2

Where did Colleen make her first mistake?

A. The common denominator should be 4 rather than 8

B. The numerators are compared incorrectly.

C. The fraction 1/2 should have been rewritten as 6/8

D. The fraction 1/2 should have been rewritten as 4/8.

Answer:

D. The fraction 1/2 should have been rewritten as 4/8.

Step-by-step explanation:

Colleen compared the ratios 3:8 and 1/2.

Step 1

Write the ratios as fractions: 3/8 and 1/2

Step 2

Compare the numerators: 3 > 1

Step 3

Compare the denominators 8 >2

Write the correct statement:

3/8 > 4/8

Therefore, D. The fraction 1/2 should have been rewritten as 4/8.

5 0
2 years ago
What additional information could be used to prove that ΔXYZ ≅ ΔFEG using ASA or AAS? Check all that apply.
Maksim231197 [3]

Answer: ∠Z ≅ ∠G and XZ ≅ FG or ∠Z ≅ ∠G and XY ≅ FE  are the additional information could be used to prove that ΔXYZ ≅ ΔFEG using ASA or AAS.

Step-by-step explanation:

Given: ΔXYZ and ΔEFG such that ∠X=∠F

To prove they are congruent by using ASA or AAS conruency criteria

we need only one angle and side.

1. ∠Z ≅ ∠G(angle) and XZ ≅ FG(side)

so we can apply ASA  such that ΔXYZ ≅ ΔFEG.

2. ∠Z ≅ ∠G (angle)and ∠Y ≅ ∠E (angle), we need one side which is not present here.∴we can not apply ASA  such that ΔXYZ ≅ ΔFEG.

3. XZ ≅ FG (side) and ZY ≅ GE (side), we need one angle which is not present here.∴we can not apply ASA  such that ΔXYZ ≅ ΔFEG.

4. XY ≅ EF(side) and ZY ≅ FG(side), not possible.

5. ∠Z ≅ ∠G(angle) and XY ≅ FE(side),so we can apply ASA  such that

ΔXYZ ≅ ΔFEG.

4 0
2 years ago
Read 2 more answers
Match each set of prices with the correct percent of increase or decrease.
cricket20 [7]
<span>Take the
(original price - new price)/original price
then multiply by 100
If it is a positive number, it is a decrease.
If it is a negative number, it is an increase.

original price: $63.00
new price: $56.07
11% decrease

</span><span>original price: $12.25
new price: $13.23
</span><span>8% increase
</span>
<span>original price: $98.00
new price: $108.78
</span>11% increase

<span>original price: $37.50
new price: $34.50
8% decrease</span>
7 0
1 year ago
A researcher is investigating whether a difference exists in the mean weight of green-striped watermelons grown on two different
Marianna [84]

Answer: The correct option is d

Step-by-step explanation:

Standard error measures how far the sample mean is from the population mean.

The formula for determining the standard error of the distribution of difference in means is expressed as

Standard error = √(s1²/n1 + s2²/n2)

where

s1 = sample 1 standard deviation

s2 = sample 2 standard deviation

n1 = number of samples 1

n2 = number of samples 2

From the information given

s1 = 2 pounds

n1 = 43 pounds

s2 = 1.7 pounds

n2 = 40 pounds

Standard error = √(2²/43 + 1.7²/40)

5 0
2 years ago
Simplify the following expression 3^0
Gennadij [26K]

Answer:

1

Step-by-step explanation:

Any real number to the power of 0 is one (being that there is always a denominator of 1).

5 0
2 years ago
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