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borishaifa [10]
3 years ago
12

I keep getting this answer wrong and I only have 3 attempts and I have one more left, I need someone to give me the answer an ex

plain what I was doing wrong

Mathematics
1 answer:
Gelneren [198K]3 years ago
7 0

Answer:

92

Step-by-step explanation:

angle a and b add up to 180 degrees

4x-20+2x+8=180

add like terms

6x+12=180

x=28

then substitute to get 92

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The probability of being a universal donor is 6% (O-negative-blood type). Suppose that 6 people come to a blood drive.
Rufina [12.5K]

Answer:

babala

Step-by-step explanation:

The probability of being a universal donor is 6% (O-negative-blood type). Suppose that 6 people come to a blood drive.

a) What are the mean and standard deviation of the number of universal donors among the 6 people?

b) What is the probability that there are exactly three universal donors?

7 0
3 years ago
What is the value of the expression “three less than the quotient of ten and a number, increased by six” when n = 2?
alisha [4.7K]

Answer:

8

Step-by-step explanation:

The given expression is "three less than the quotient of ten and a number, increased by six”

The quotient of ten and a number increased by six is translated into mathematical expression as:

\frac{10}{n}+6

Three less than the quotient of ten and a number, increased by six is

(\frac{10}{n}+6)-3

When we substitute n=2, we get:

(\frac{10}{2}+6)-3

Divide to get:

(5+6)-3

Add to get:

11-3

Subtract

8

4 0
3 years ago
The Latin Club charted a bus to travel to and participate in a state competition. The cost for each adult to ride the bus was $2
Bumek [7]
<span>a+s =17 25a + 15s = 305</span>
7 0
3 years ago
If t= 14,what is the value of 3t?
Goryan [66]
42 bro it’s pretty simple just multiplication
7 0
3 years ago
Can u help me part 3..
Studentka2010 [4]
Yup I can! (For the third time ;) )
This one was a bit tricky for me, So I am 90% sure ;)
Answer: 336pi in^2

Explanation: The explanation is quite long, so I won't go into much detail :) Just keep the formula in mind!! :>

If available please give me a Branliest. It would be much appreciated.

- Mathhotdog •~•
8 0
3 years ago
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