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Fittoniya [83]
2 years ago
14

8x + y 17 4x + 3y - 31

Mathematics
2 answers:
Vladimir [108]2 years ago
7 0

1) 8x+y\cdot \:17:\quad 8x+17y

2) 4x+3y-31:\quad 4x+3y-31

klemol [59]2 years ago
3 0

Answer:Please see the above explanation . Hope it helps you . Please mark me brainlist please.

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a survey indicates that 3 out of 5 doctors use brand x asprin. If 2000 doctors were surveyed, how many used brand x?
DiKsa [7]
The answer is 1200
3/5=x/2,000
2,000/5=400
3 x 400=1200
5 0
3 years ago
Read 2 more answers
A: {71,73,79,83,87} B:{57,59,61,67}
Jobisdone [24]

Answer:

\frac{3}{5}.

Step-by-step explanation:

We have been given two sets as A: {71,73,79,83,87} B:{57,59,61,67}. We are asked to find the probability that both numbers are prime, if one number is selected at random from set A, and one number is selected at random from set B.

We can see that in set A, there is only one non-prime number that is 87 as it is divisible by 3.

So there are 4 prime number in set A and total numbers are 5.

P(\text{Prime number from A})=\frac{4}{5}

We can see that in set B, there is only one non-prime number that is 57 as it is divisible by 3.

So there are 3 prime number in set B and total numbers are 4.

P(\text{Prime number from B})=\frac{3}{4}

Now, we will multiply both probabilities to find the probability that both numbers are prime. We are multiplying probabilities because both events are independent.

P(\text{Prime number from A and B})=\frac{4}{5}\times \frac{3}{4}

P(\text{Prime number from A and B})=\frac{1}{5}\times \frac{3}{1}

P(\text{Prime number from A and B})=\frac{3}{5}

Therefore, the probability that both numbers are prime would be \frac{3}{5}.

4 0
2 years ago
The square pqrs is shown.
ira [324]

Answer:

1:1

Step-by-step explanation:

The ratio would be 1:1 since it's a square, the sides will always be the same. In a square ,all sides are the same length. If they are not, then it wouldn't be a square.

5 0
2 years ago
Jake owes $3,400 on his credit card. he is not charging any additional purchases because he wants to get this debt paid in full.
adell [148]
The answer is 68 times
6 0
2 years ago
Solve for y -3x-4y=8
ahrayia [7]

Answer:

Step-by-step explanation:

3x + -3x - 4y = 8 - 3x

-4y = 8 - 3x

-----------------

        -4

y = 8/-4 + 3/4 x

y = -2 + 3/4x

4 0
3 years ago
Read 2 more answers
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