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Savatey [412]
3 years ago
9

Please help me with this problem

Mathematics
1 answer:
bagirrra123 [75]3 years ago
7 0
It is so the third one
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Plsssssssssss help me!!! I’m not good at algebra!!
Elza [17]

Answer:

x=50

Step-by-step explanation:

This is a vertical angle, so the angle on top and the bottom are equal

[2(x+10)]=3x-30

2(x+10)=3x-30

2x+20=3x-30

50=x

8 0
3 years ago
A lottery game offers a prize of $ 200,000 at the end of thirty years. If the interest rate is 6 6​%, the present value of this
Wewaii [24]

Answer:

$34,822.03

Step-by-step explanation:

Future value after 30 years (FV) = $200,000

Time (t) = 30 years

interest rate (r) = 6% =0.06

The equation for obtaining the present value given the future value is:

PV = \frac{FV}{(1+r)^n}

Applying the data provided:

PV = \frac{\$200,000}{(1+0.06)^{30}}\\PV=\$34,822.03

The present value of the lottery prize amount is $34,822.03.

5 0
3 years ago
In the following random experiment, decide whether the random variable X is binomial or not:
jok3333 [9.3K]

Answer:

(A) Binomial

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they are left-handed, or they are not. This is the first condition for the random variable X being binomial.

The selections are independent, that is, the probability of a person being left handed is independent from other people. This is the second condition for the random variable X being binomial.

Since both conditions(only two outcomes, independent trials) are satisfied, the random variable X is binomial.

So the correct answer is:

(A) Binomial

7 0
3 years ago
9) Julio sold half of his comic books and then
horsena [70]

Answer:

30

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A group of 20 tourists pay $160 to go on a swamp tour if the cost per person stays the same how much will the tour cost 30 touri
love history [14]

Answer:

$240

Step-by-step explanation:

20 = $160;

10 = $80

* 3 = 30 =$240

8 0
3 years ago
Read 2 more answers
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