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Len [333]
3 years ago
7

Which steps should be followed to write an equivalent ratio to find 2% of 6700? Write 2% as the ratio StartFraction 200 Over 100

EndFraction. Write the equivalent ratio StartFraction question mark Over 6700 EndFraction. (100)(67) = 6700, so (20)(67) = 1340. Write 2% as the ratio StartFraction 20 Over 100 EndFraction. Write the equivalent ratio StartFraction 6700 Over question mark EndFraction. (20)(335) = 6700, so (100)(335) = 33,500. Write 2% as the ratio StartFraction 2 Over 100 EndFraction. Write the equivalent ratio StartFraction question mark Over 6700 EndFraction. (100)(67) = 6700, so (2)(67) = 134. Write 2% as the ratio StartFraction 2 Over 100 EndFraction. Write the equivalent ratio StartFraction question mark Over 6700 EndFraction. (100)(6.7) = 6700, so (20)(6.7) = 13.4
Mathematics
1 answer:
Andrej [43]3 years ago
5 0

Answer:

Step-by-step explanation:

To evaluate the expression 2% 0f 6700, we can follow the steps;

2% = 2/100

6700 = 67(100)

2% of 6700 = 2/100 * 67(100)

The 10 at the numerator will cancel out that at the denominator

2/100 * 67(100) = 2(67)

2(67) = 134

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The perimeter of a triangle is 137 cm. If the three sides of the triangle are (x + 7) cm, (2x – 5) cm, and (3x – 3) cm, what is
hjlf

Answer:30,41,66

Step-by-step explanation:

(X+7)+(2x-5)+(3x-3)=137

Solve for x

X=23 cm

Sides are 23+7=30

2*23-5=41

3*23-3=66

8 0
3 years ago
It took Jack 2 hours to paddle 6.4 km upstream on the Black River to the giant's castle. The speed of the river is 1.8 km/h. How
Lostsunrise [7]

To find the time Jack takes to cross Swan Lake, his average speed is required:

The time it will take Jack to cross Swam Lake is <u>0.5 hours</u>

Reason:

Time it took Jack to paddle 6.4 km upstream, t = 2 hours

Distance Jack paddled, d = 6.4 km

The given speed of the Black River, <em>v₂</em> = 1.8 km/h

The width of the lake, w = 2.5 km

The time it will take Jack to cross Swan Lake

Let <em>v₁</em>, represents Jack's speed, we have;

v_1 - v_2 = \dfrac{d}{t}

Therefore;

v_1 - 1.8 = \dfrac{6.4}{2} = 3.2

v₁ = 3.2 + 1.8 = 5

  • Jack's speed, v₁ = 5 km/h

Time \ to \ cross \  the \ lake , \ t_S = \dfrac{w}{v_1}

t_S = \dfrac{2.5 \, km}{5 \, km/h}  = 0.5 \, hr.

The time it will take Jack to cross Swan Lake, t_S = <u>0.5 hours</u>

Learn more here:

brainly.com/question/17168275

3 0
3 years ago
Hannah claims that people who live in southern states spend 9 hours more per week outside than do people in northern states. She
Aneli [31]

Answer: Hello your question is incomplete below is the missing part

Which of the following statements about Hannah’s claim is supported by the interval?

A) Hannah is likely to be incorrect because the difference in the sample means was 18.6−14.4=4.218.6−14.4=4.2 hours.

B) Hannah is likely to be incorrect because 9 is not contained in the interval.

 C)The probability that Hannah is correct is 0.99 because 9 is not contained in the interval.

 D)The probability that Hannah is correct is 0.01 because 9 is not contained in the interval.

 E)Hannah is likely to be correct because the difference in the sample means (18.6−14.4=4.2)(18.6−14.4=4.2) is contained in the interval.

Answer :  Hannah is likely to be incorrect because 9 is not contained in the interval. ( B )

Step-by-step explanation:

The statement that is supported by the interval in Hannah's claim is that

Hannah is likely to be incorrect because 9 is not contained in the interval.

5 0
3 years ago
Eric worked 13 hours last week at the library and earned $91.00. If he continues at the same hourly pay, how many more hours mus
skelet666 [1.2K]

19 hours

Calculate his hourly rate by dividing $91 by 13

hourly rate = \frac{91}{13} = $7

Now divide $133 by 7 to find number of hours he has to work

\frac{133}{7} = 19 hours


6 0
3 years ago
Is y= 4.3x - 2 a linear equation?
vredina [299]

Answer:

Yes

Step-by-step explanation:

It is in the form of y = mx + b.

5 0
3 years ago
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