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3 years ago

Need help, someone explain

Mathematics

1 answer:

JulsSmile [24]3 years ago

3 0

Answer: X = 19

Step-by-step explanation: it is a three equation system, the problem is you don't have the third equation, so we have to infer it, and it's: PRQ + QRS = 180.

then we do as follows:

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In the population of young children eligible to participate in a study of whether or not their calcium intake is adequate, 52% a

natulia [17]

Answer:

(a) A = 5 to 10 years old

B = 11 to 13 years old

C = adequate calcium intake

I = inadequate calcium intake.

(b) P(A) = 0.52, P(B) = 0.48, P(I|A) = 0.18, P(I|B) = 0.57.

Step-by-step explanation:

Complete question

Please find the attached image

(a) A = 5 to 10 years old

B = 11 to 13 years old

C = adequate calcium intake

I = inadequate calcium intake.

b) P(A) = 0.52, P(B) = 0.48, P(I|A) = 0.18, P(I|B) = 0.57.

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3 years ago

What is 13 more than 3 times a number is 34 and what is the solution

NARA [144]

Answer:

13 + 3x = 34

Variables:

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3 years ago

Find the value of y so that the line passes through the two points has the given slope.

satela [25.4K]

Ok you need to do y-(-2) over -3-(-9) and you get(y+2)/(-3+9)=1
so y+2=1*6
y+2=6
y=4

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3 years ago

On Sunday, Dan collected 6.8 pounds of aluminum for recycling. On Monday he collected another 8.75 pounds. What is the total num

sweet-ann [11.9K]

Lets look at the information we have:-

6.8 pounds on Sunday
8.75 pounds on Monday
How many pounds did he collect together on these 2 days?

Add:-

6.8 + 8.75 = 15.55
Dan collected 15.55 pounds of aluminum on these 2 days.

CHECK OUR WORK:-

15.55 - 8.75 = 6.8
We were RIGHT!!

So, Dan collected 15.55 pounds of aluminum on these 2 days.

Hope I helped ya!! xD

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4 years ago

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(x+5)^3*(x+5)^(2/3)

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4 years ago