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iren2701 [21]
2 years ago
5

Triangle RST is shown below. What is the length of ST?

Mathematics
1 answer:
Tju [1.3M]2 years ago
3 0

Answer:

A: 12

Step-by-step explanation:

Using the pythagoreom theorem, a^2+b^2=c^2. We can plug in the lengths of 5 and 13 which is 5^2+b^2=13^2. Now we can square the numbers to get 25+b^2=169. Subtract 25 from 169 to get 144. Now find the square root of 144 which is 12.

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James bought Nicole a pair of shoes for $54.99 and a bracelet for $21.99. He used a 15% off coupon and then paid 7.5% sales tax.
mina [271]

Answer:

$70.34

Step-by-step explanation:

The total before the coupon and tax is:

$54.99 + $21.99 = $76.98

Now apply the 15% coupon:

Since the total price is 100% of the price, when you apply a 15% coupon, you pay 100% - 15% = 85% of the price. We need to find 85% of $76.98

85% * $76.98 =

= 0.85 * $76.98

= $65.43

The price after the 15% coupon, but before the tax, is $65.43

Now the total $65.43 is considered 100% of the price. The tax is 7.5%.

100% + 7.5% = 107.5%

Now we find 107.5% of $65.43

107.5% of $65.43 =

= 1.075 * $65.43

= $70.34

Answer: $70.34

6 0
3 years ago
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What is the name of the relationship between ∠3 ​ and ∠7?
lara31 [8.8K]

answer is B) Corresponding angles

6 0
2 years ago
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A lawnmower was purchased for rupees 1100 and rupees 50 were paid as transportation charges. It was sold at a 14% profit. Find i
nevsk [136]

Answer: 161 rupees.

Step-by-step explanation:

Use a percentage Calculator on the internet to find the solution.

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1150

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7 0
4 years ago
the equation I=prt solves for the amount of simple interest a bank account receives after a certain period of time. I stands for
Dominik [7]

Answer:

The percentage rate is 4.5%.

Step-by-step explanation:

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5 0
3 years ago
Find the zeros of the function by first factoring the polynomial.
torisob [31]

Step-by-step explanation:

y2 + 4y - 5

( y + 4 )( y - 1 )

so you just need to break down the sum

5 0
3 years ago
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