MATHEMATICS MIDDLE SCHOOL

I need the answer ASAP

Answers

Answer 1

Answer:

Answer:

6.04 kilometers

Step-by-step explanation:

First, by AA triangle similarity theorem, we know that the two triangles are equal.

So, we can set up a ratio

3,500/2000=4200/x

cross multiplying, we get

3500x=4200*2000

and simplifying, we get x=2400

the distance will be 2,400+4,200=6600 yards

converting to kilometers,

6600*0.0009144=6.04

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Shirts are on sale for 30% off. The original price of one shirt is $15. What is the total cost, in dollars, of 2 of these shirts at the sale price, including a 7% sales tax? Enter your answer in the space provided.

Answers

Answer:

=22.47

Step-by-step explanation:

We are buying 2 shirts

Before discount 2*15 = 30

We get 30% off. That means we pay 70 percent of the price

$30 * 70% =

30 *.7

The cost of the shirts before tax is 21 dollars

Tax is the cost of the shirts after discount times the tax rate

tax = 21 * 7%

tax = 21 *.07

tax =1.47

We add the tax to the cost of the shirts

Final cost = discount price + tax

=21+1.47

=22.47

Final answer:

The total cost of 2 shirts on sale, including the 7% sales tax, is $22.47.

Explanation:

The subject of this question is Mathematics, specifically a problem of applying percentage for discounts and tax. To calculate the sale price of a single shirt, you need to take 30% off the original price. Calculate 30% of $15, which is $4.50. Subtract this from the original price, which leaves you with $10.50 as the sale price of one shirt. However, you want to buy 2 shirts, so the cost before tax is $21. Next, you need to calculate the sales tax. Multiply $21 by 7%, which is $1.47. Add the $1.47 sales tax to the $21 cost before tax, and you get the final total cost: $22.47. The provided reference is not relevant to this question.

Learn more about Percentage Calculations here:

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What is the value of 8 in 686,293

Answers

The answer is 80,000. I learned how to solve this many years ago by finding the number in the problem then simply adding zeros after it in replacement for the rest. Also know as eighty thousand

What is the product of -1 3/4 and 2 4/5 expressed as a mixed number

Answers

-2 3/5 would be the answer to the problem

Find the first four terms of the multiplication pattern given by the formula.10 • 4n – 1
_, _, _, _

plz give explanation along with answer thx!

Answers

You just need to plug in 1, 2, 3, and 4.
10*4(1)-1=39
10*4(2)-1=79
10*4(3)-1=119
10*4(4)-1=159

5. A car travels 30 miles in of an hour What is the average speed, in miles per hour of the car?

Answers

Answer:

60 mph

Step-by-step explanation:

I'm not sure if you meant 30 miles in half an hour, but if that's the case, your answer is 60 mph.

There are two halves in an hour so

30 x 2 = 60

You are swimming each 25 yard length of a swimming pool 3 seconds faster than your personal best. What integer represents your change in time of your personal best after 200 yards?

Answers

Answer: He takes 24 seconds which represents change in time of his personal best after 200 yards .

Step-by-step explanation:

Since we have given that

Distance he covered by swimming = 25 yards

Time taken by him = 3 seconds

$\text{Speed of his swimming} =(Distance)/(Time)\n\n \text{Speed of his swimming} =(25)/(3)$

Now, if he covers 200 yards , the change of time will be

$\text{Time taken}=(Distance)/(Speed)\n\n\text{Time taken}=(200)/((25)/(3))\n\n\text{Time taken}=(200* 3)/(25)\n\n\text{Time taken}=8* 3\n\n\text{Time taken}=24 seconds$

Hence, he takes 24 seconds which represents change in time of his personal best after 200 yards .