2 years ago

Help me plssssss i don’t know how to do this

Mathematics

1 answer:

makkiz [27]2 years ago

7 0

Answer:

AC = $\sqrt{15}$

Step-by-step explanation:

Assuming you require AC

Using Pythagoras' identity in the right triangle

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides , that is

AC² + BC²= AB²

AC² + 7² = 8²

AC² + 49 = 64 ( subtract 49 from both sides )

AC² = 15 ( take square root of both sides )

AC = $\sqrt{15}$ ≈ 3.87 ( to 2 dec. places )

You might be interested in

Use the Law of Cosines to find the missing angle. In triangle FGH, HF = 16 ft, FG = 23 ft, and m∠F = 52°. Find the measure of f.

ivolga24 [154]

F = 18 ft.

The law of cosines states
c² = a² + b² - 2ab cos C

Using our information, we have
c² = 23² + 16² - 2(23)(16)cos 52
c² = 529 + 256 - 736cos 52
c² = 785 - 736cos 52
c² = 331.8732

Taking the square root of both sides, we have
c = √331.8732 = 18.22 ≈ 18

5 0

3 years ago

What's are the factors of 1078

soldi70 [24.7K]

The factors of 1078 are 1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, and 1078.

5 0

3 years ago

Read 2 more answers

A 'snail's pace is 60 inches per minute. At this rate how long will it take the snail to crawl 120 feet?

True [87]

Ok, so here, we have the unit rate of the snail. Now, we need to set up a proportion.

60/1 = 120/x

Now, cross multiply.

60*x = 120*1

60x= 120

Now divide to solve for x.

60x/60 = 120/60
x = 120/60
x= 2

Now our final answer is 2.

Final answer:- The snail will take 2 minutes to crawl 120 feet

5 0

2 years ago

Read 2 more answers

ASAP help I don’t have time! It detects if it’s right or not:(((

Leno4ka [110]

Answer:

I'm pretty sure it's B! :)

7 0

2 years ago

Find the measures of the angles marked x and y. remember that (1) the sum of the measures of the angles of a triangle is 180 de

Sergio039 [100]

Is there supposed to be a picture because I dont see the angles?

6 0

3 years ago