2 years ago

Find the value of x. If necessary, round your answer to the nearest tenth.

Mathematics

1 answer:

NikAS [45]2 years ago

6 0

Answer:

69°

Step-by-step explanation:

Vertical Angles theorem states that any two opposite angles formed by two intersecting lines are the same.

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Of the students attending a rock concert, 80 of them were 8th graders. Of these 8th graders, 25% of them were wearing ear plugs.

zhuklara [117]

Answer:

15%

Step-by-step explanation:

If 10% of the 25% of 8th graders who were male, 15% would be females because 25-10= 15. So, 15% would be my answer.

6 0

2 years ago

In triangle ABC, c is the hypotenuse, 0=25°, and b =3, Find the length of c ?

Charra [1.4K]

Answer:

$\large\boxed{c\approx3.31}$

Step-by-step explanation:

Use cosine:

$cosine=\dfrac{adjacent}{hypotenuse}$

$\cos\theta=\dfrac{b}{c}$

We have:

$\theta=25^o\to\cos25^o\approx0.9063\\\\b=3$

Substitute:

$\dfrac{3}{c}=0.9063$

$\dfrac{3}{c}=\dfrac{9063}{10000}$ cross multiply

$9063c=30000$ divide both sides by 9063

$c\approx3.31$

8 0

3 years ago

What is the solution to 2logg(x)= logg8+logg(x-2)? X=-4 O x=-2 O x=4 O X=8

solniwko [45]

Answer:

Step-by-step explanation:

3 0

3 years ago

Write a word problem that could be solved using the expression 2x+60

Sonbull [250]

Answer:

Step-by-step explanation:

james want to buy a sirt that cost 95 dollars. he only has 60 dollars saved.

if james gets paid 2 dollars a day how many days would he have to work to get 80 dollars.

solve for x

y=2x+60

95=2x+60

3 0

3 years ago

(−2 − √3)(−2 + √3) simplified

nata0808 [166]

Answer:

Step-by-step explanation:

To simplify this, we can use foil:

First: -2 × - 2 = 4
Outside: -2 × √3 = -2√3
Inside: -√3 × -2 = +2√3
Last: -√3 × √3 = -3

From this, we get 4 - 2√3 + 2√3 - 3 which can be simplified to 1

Hope this helps!

4 0

1 year ago

Read 2 more answers