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2 years ago

HELP ME PLS!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Ludmilka [50]2 years ago

5 0

Answer:

PR =8

Step-by-step explanation:

if you look on the diagram the distance between QS and RS are the same so they equal the exact same. Sorry I don’t know how to do the other one

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46) Which of the following is equivalent to the expression below?

ddd [48]

Answer:

Step-by-step explanation:

Your question doesn't match the picture. OCR is often inaccurate!—not that it matters much in this case. None of the choices is correct.

(20-4)·6² + 2 + 18 = 16·6² + 2 + 18

= 16·36 + 2 + 18

= 576 + 2 + 18

= 578 + 18

= 596

5 0

2 years ago

Eliminate the parameter in the equations x = 5cos(t) – 7 and y = 5sin(t) 9. how can the rectangular equation be described?

Maksim231197 [3]

Recall that for all t,

cos²(t) + sin²(t) = 1

Now,

x = 5 cos(t) - 7 ⇒ (x + 7)/5 = cos(t)

y = 5 sin(t) + 9 ⇒ (y - 9)/5 = sin(t)

so that substituting into the identity above, we get

((x + 7)/5)² + ((y - 9)/5)² = 1

which we can rewrite as

(x + 7)²/25 + (y - 9)²/25 = 1

(x + 7)² + (y - 9)² = 25

and this is the equation of a circle centered at (-7, 9) with radius 5.

3 0

2 years ago

Solve for X and round to the nearest hundredth

Archy [21]

Answer:

Pretty sure it's 20.24.

Step-by-step explanation:

Since you know the side adjacent to the reference angle and you want to find the side opposite, you're going to need to use tangent, which is opp/adj.

tan(39) = $\frac{x}{25}$

Find the tangent of 39...

0.8097 is the approximate value. So...

0.8097 = $\frac{x}{25}$

Now, switch the sides to make it easier.

$\frac{x}{25}$ = 0.8097

Multiply both sides by 25.

x = 20.24

3 0

3 years ago

Given that f(x) = 3x + 1 and g(x) = the quantity of 4x plus 2 divided by 3, solve for g(f(0))

Yuliya22 [10]

F(0)=1

g(1)=(4*1+2)/3 = 6/3=2

hope helped

5 0

3 years ago

Read 2 more answers

The basketball team at Martin Luther King High School won 12 of its first 15 games. Then it won its next 3 games. The percent of

aliya0001 [1]

12/15 games have been won then they won 3 which makes it then 15/18 because the denominator is how many games they've played while the numerator is how many games they one.

$\frac{15}{18} = \frac{x}{100}$
Cross multiply both...
$1500=18x$
divide each side by 18 to make the x by itself
Which gives you x=83.333%

4 0

3 years ago