3 years ago

PLEASE HELP WILL MARK BRAINLIEST

Mathematics

2 answers:

tatuchka [14]3 years ago

6 0

The value of t is 103, A

d1i1m1o1n [39]3 years ago

3 0

The answer is A. The value of t is 103

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In triangle ABC, the measure of C is 90°,<br> AC=24, and BC=10. What is the value of sin<br> A?

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Answer:

Sin A = 0.38462

Step-by-step explanation:

From the trigonometric function,

Sin A = $\frac{Opposite}{Hypotenuse}$ ................... 1

So that, applying the Pythagoras theorem to determine the value of hypotenuse,

$/Hyp/^{2}$ = $/Opp/^{2}$ + $/Adj/^{2}$

= $24^{2}$ + $10^{2}$

= 576 + 100

$/Hyp/^{2}$ = 676

Hyp = $\sqrt{676}$

= 26

The hypotenuse of the triangle is 26.

Thus, from equation 1;

Sin A = $\frac{10}{26}$

Sin A = 0.38462

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Gwendolyn is asked to solve the equation –4(x – 3) = 20. She shows the work below and states that the solution is x = –8. –4(x –

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Answer:

$x=-2$

Step-by-step explanation:

Given: Equation is $-4(x-3)=20$

To find: flaw in Gwendolyn's work and the correct solution to the equation.

Solution:

In the given question,

the first step is $-4(x-3)=20$

The second step is $-4x+12=20$

(This step is obtained on multiplying $-4$ by $x-3$ )

The third step is $-4x=32$

This step is wrong as on transposing 12 from left side of the equation in the second step to the right side, the following equation is obtained:

$-4x=20-12\\-4x=8\\x=-2$

So, the correct solution is $x=-2$

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Answer:

there was a tax of 8%.

there was a tip of 18%.

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Step-by-step explanation:

what is 8% of $37.50?

To find the percent of something, first you need to put the percent as a decimal.

8% in decimal form is 0.08 (If you think about it they're both 8 hundredths)

just multiply the percent in decimal form by the number.

37.50 dollars × 0.08 = 3 dollars.

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the martin want to buy a new computer. the regular price is $632 . the store is offering a 25% discount and a sales tax of 7% is

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440.82

Step-by-step explanation:

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