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Pavel [41]
2 years ago
9

Let X, Y, and Z be points on a circle. Let line XY and the tangent to the circle at Z intersect at W. If WX = 4, WZ = 8, and WY

is perpendicular to WZ, then find YZ.
Please no random answers...

Mathematics
1 answer:
SVETLANKA909090 [29]2 years ago
4 0

Check the picture below.

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Algebra help please
leva [86]
The value of a would be 4.2, because the negatives cancel out each other.
4 0
3 years ago
Help with math homework
Anestetic [448]
1) 65+57= 122
180-122= 58

2) 40+90=130
180-130=50

3) 130+20=150
180-150=30

4) 85+50= 135
180-135=45

Sorry, IDK the rest. So so sorry.
8 0
3 years ago
A sporting goods store offers 40% discount on all golf clubs. Rocco spent 20% of the money in his savings account on a golf putt
MatroZZZ [7]

Answer:

Rocco doesn't have enough money to buy the golf irons

Step-by-step explanation:

step 1

Find the rest of the money left in the savings account

using proportion

\frac{\$48}{20\%}=\frac{x}{80\%}\\ \\x=48*80/20\\ \\x=\$192

step 2

we know that

The set of golf irons has an original price of $359

Applying 40% discount

100%-40%=60%=60/100=0.60

after the discount the price will be

0.60(\$359)=\$215.4

\$215.4> \$192

therefore

Rocco doesn't have enough money to buy the golf irons

7 0
3 years ago
From a group of 12 students, we want to select a random sample of 4 students to serve on a university committee. How many combin
borishaifa [10]

Answer:

495 combinations of 4 students can be selected.

Step-by-step explanation:

The order of the students in the sample is not important. So we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

How many combination of random samples of 4 students can be selected?

4 from a set of 12. So

C_{n,x} = \frac{12!}{4!(8)!} = 495

495 combinations of 4 students can be selected.

8 0
3 years ago
6x^3+ 10x^2 – 4x<br> -<br> I need help with this question
Westkost [7]

Answer: 2x(3x−1)(x+2)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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