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Sphinxa [80]
3 years ago
8

Please help asap!!!!!!!!!!!

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
5 0

Answer:

ITS C THE ANSWER IS C

Step-by-step explanation:

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[2x(3+5)+6]x4 what is the value of this expression
Gekata [30.6K]

Answer:

16x5+6x4

Step-by-step explanation:

(2x(3+5)+6)(x4)

=(2x(3+5)+6)(x4)

=(2x(3+5))(x4)+(6)(x4)

=16x5+6x4

5 0
2 years ago
Read 2 more answers
how many pounds of coffee worth $10 a pound should be added to 20 pounds of coffee worth $4 a pound to get a mixture worth $5 a
Solnce55 [7]

Answer:

4

Step-by-step explanation:

1. if the mass of coffee worth $10 is 'x', then its worth is 10x, and the worth of the mixture is 5(x+20);

2. using the previous item it is possible to write the next equation:

5(x+20)=4*20+10*x; ⇒ x=4.

3. the required mass is 4 pounds.

5 0
3 years ago
4. Sandra has 35% of the money she needs. She has $105. How much more money does she need? Write the equation and solve.​
guajiro [1.7K]

Answer:

36.75

Step-by-step explanation:

First is turn the percent into a decimal which would be 0.35.

Then multiply 0.35 with 105

Finally this would equal to 36.75

Note: Hope I got it right, if I didn't I am very sorry this is all I can really do. If I did get it wrong please comment and I'll try again.

5 0
2 years ago
Model and solve the following<br>equations:<br>3x +3 = 2x + 7<br>5x + 2 = 3x = 12<br>​
Thepotemich [5.8K]

hope it helps you!!!!!!!!!!

4 0
3 years ago
If you can get an answer to any question, what would you ask? You toss a fair coin 4 times. What is the probability that (round
Andrew [12]

Answers:

a) 0.0625

b) 0.9375

==================================================

Work Shown:

The probability of landing on heads is 1/2 = 0.5 since both sides are equally likely to land on. Getting 4 heads in a row is (1/2)^4 = (0.5)^4 = 0.0625

The event of getting at least one tail is the complement of getting all four heads. This is because you either get all four heads or you get at least one tail. One or the other must happen. We subtract the result we got from 1 to get 1-0.0625 = 0.9375

You can think of it like this

P(getting all four heads) + P(getting at least one tail) = 1

The phrasing "at least one tail" means "one tail or more".

4 0
3 years ago
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