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Rashid [163]
3 years ago
7

Select the correct answer.

Mathematics
1 answer:
natita [175]3 years ago
3 0

Answer:

x = 7

y = 5

Step-by-step explanation:

Plug in:

2(12 - y) + 3y = 29

24 - 2y + 3y = 29

y + 24 = 29

y = 5

x = 7

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- Dale needs to buy some pencils. Brand A has a pack of 48 pencils for $7.97. Brand B has a pack of 72 pencils for $9.88.
Oksanka [162]

Answer:

Brand A= 0.17 per pencil Brand B= 0.14 per pencil

Step-by-step explanation:

To find the price of each pencil, you divide the price by the number of pencils and then round to the nearest hundredth.

8 0
4 years ago
In a certain congressional district, it is known that 20% of the registered voters classify themselves as conservatives. If ten
LekaFEV [45]

Answer:

Step-by-step explanation:

We would assume that a randomly selected registered voter, x is classified as a conservative or not. It means that there are only 2 possible outcomes. Thus, it is a binomial probability distribution and the probability of success, p is that a randomly selected voter is classified as a conservative. Therefore,

p = 20% = 20/100 = 0.2

Number of trials, n = 10

Number of success, x = 6

The probability that six out of 10 would be conservatives is expressed as

P(x = 6)

Using the binomial probability calculator,

P(x = 6) = 0.0056

7 0
3 years ago
Convert the decimal to a fraction in simplest form:
NISA [10]
0.005 = 5/1000 = 1/200
5 0
3 years ago
Each flower in a bouquet has 5 petals. There are x flowers in the bouquet. Which expression shows the total number of petals in
shtirl [24]
A. 5x

In this expression x represents the number of flowers in the bouquet and there are five petals on each flower. Therefore the total number of petals in the bouquet is 5 multiplied by x.
5 0
4 years ago
Base=30cm<br> Heights=20cm <br> Find the X?
Leviafan [203]

Answer: 25

Assuming the dotted line touches the middle of the base of the triangle,

Using Pythagoras Theorem,

(30/2)^2 + (20)^2 = x^2

x^2 = (15)^2 + 400

x^2 = 625

x = √625 or -(√625)

x = 25 or -25

But since x needs to be a positive value,

x = 25

8 0
4 years ago
Read 2 more answers
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