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3 years ago

In the triangle determine m

Mathematics

1 answer:

max2010maxim [7]3 years ago

8 0

Answer:

$64.98\°$

Step-by-step explanation:

we know that

In the right triangle of the figure

$tan(A)=\frac{BC}{AB}$ ---> opposite side to angle A divided by the adjacent side to angle A

substitute the values

$tan(A)=\frac{15}{7}$

$A=arctan(\frac{15}{7})=64.98\°$

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Felix used $20 off coupon on shoes already on sale for 50% off original price. Total before tax was $74.50. What was the origina

Mkey [24]

Answer:

$189.00

Step-by-step explanation:

Using the total cost of the shoes before tax, but after the sale price and coupon were applied, $74.50, first add back the $20 discount from the coupon:

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Then, add the new amount by itself to find the original price since the sale applied a 50% discount:

94.50 + 94.50 = $189.00

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3 years ago

8. Change the fraction 3/4 to a percent.<br> A. 133%<br> B. 75%<br> C.63%<br> D. 34%

elena-s [515]

Answer:

B. 75%

Step-by-step explanation:

multiply the numerator and the denominator by 25. 3*25/4*25=75/100. 3/4=75%.

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3 years ago

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AnnyKZ [126]

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3 years ago

Factorise <br>p^2 + 8 - 8p - p

MA_775_DIABLO [31]

<h3>Solution:</h3>

${p}^{2} + 8 - 8p - p \\ = {p}^{2} - p - 8p + 8 \\ = p(p - 1) - 8(p - 1) \\ = (p - 1)(p - 8)$

<h3>Answer:</h3>

$(p - 1)(p - 8)$

<h3>Hope it helps..</h3>

ray4918 here

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3 years ago

$400 is invested for 5 years at 12% p.a. compounded monthly.

Lera25 [3.4K]

Answer:

$ 326.68 interest earned at 5 yrs

Step-by-step explanation:

Period = 1 month Periods = 5 x 12 = 60 periodic interest = .12/12 = .01

400 ( 1 +.01)^60 = 726.68 value in account after 5 years

subtract the original deposit to find the interest earned

726.68 - 400 = 326.68

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2 years ago