3 years ago

Question 7 of 10 What is the length of BC in the right triangle below?

Mathematics

2 answers:

kramer3 years ago

8 0

Answer:

Step-by-step explanation:

horsena [70]3 years ago

7 0

Answer:

Step-by-step explanation:

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

BC² = 9² + 12² = 81 + 144 = 225 ( take the square root of both sides )

BC = $\sqrt{225}$ = 15 → A

You might be interested in

Membership in a digital library has a $5 startup fee and then cost $9. 95 per month memberships in a video streaming service cos

Sergeu [11.5K]

Answer:

Step-by-step explanation:

Add the cost of the start fee with membership for 'M' months ans the video streaming service for 'M' months

Total cost = startup fee + cost of membership fee for 'M' months + cost of video streaming fees for 'M' months

C = 5 + 9.95M + 7.99M

C = 5 + 17.94M

3 0

3 years ago

At blood drive, 5 donors with type O+ blood, 5 donors with type A+ blood, and 2 donors with type B+ blood in line. In how many d

neonofarm [45]

Answer: I think 8

I am Not sure hope this helps though

Step-by-step explanation:

4 0

3 years ago

Which angles are corresponding angles?

Reptile [31]

Answer:

1 and 3

15 and 13

15 and 7

1 and 9

Step-by-step explanation:

5 0

3 years ago

4x +40 = 80 Step by step how to solve?

oksano4ka [1.4K]

Answer:

x=10

Let's solve your equation step-by-step:

4x+40=80

Step 1: Subtract 40 from both sides

4x+40−40=80−40

4x=40

Step 2: Divide both sides by 4

4x/4=40/4

Answer:

x=10

6 0

3 years ago

Read 2 more answers

danielle spent $35 on a magazine and some notepads. if the magazine cost $3 and each notepad cost $4 then how many notepads did

PilotLPTM [1.2K]

WORK:
$35 - $3 = $32
$32 divided by $4 = 8
ANSWER:
Danielle bought 8 notepads.

8 0

4 years ago