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amid [387]
3 years ago
13

A researcher is testing a new painkiller that claims to relieve pain in less than 15 minutes, on average.a.State the hypotheses

associated with the researcher's test. (2 points)
Mathematics
1 answer:
Ivenika [448]3 years ago
4 0

Answer:

I have a feeling it won't be exactly 15 minutes but it'll be around that time, if it's true.

Step-by-step explanation:

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The length of a rectangle is 4 inches longer than it is wide. If the area is 60 square inches, what are the dimensions of the re
Ainat [17]

Step-by-step explanation:

akajahsjallamamsjskdkldd

5 0
3 years ago
PLEEEEEEEAAAAAAAAAASSSSSSSSSEEEEEEE a wee this quickly<br>How did he get answer A
Simora [160]

Answer:

To get answer A,  Dave took 47*5 = 235

Step-by-step explanation:

There are 147 containers that contain 5 gallons each.  We need to multiply to find the total number of gallons.

total number of gallons = containers * number of gallons per container

                                       = 147* 5 gallons per container

                                        =735 gallons

To get answer A,  Dave took 47*5 = 235

6 0
3 years ago
Read 2 more answers
What number is 15 less than 63?​
wariber [46]

Answer:

48

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
I WILL GIVE BRAINLIEST. 1/2 of the problems on a 20-question test are algebra and one-half are geometry. Determine the probabili
aksik [14]

9514 1404 393

Answer:

  0.344

Step-by-step explanation:

There are 20C10 = 184,756 ways to choose 10 problems at random from a list of 20.

There are 10C5 = 252 ways to choose 5 of the 10 algebra problems, and the same number of ways to choose 5 of the 10 geometry problems. Then there are 252² = 63,504 ways to choose 5 problems each of algebra and geometry.

The probability of choosing 5 problems in each category is ...

  63504/184756 ≈ 0.344

6 0
3 years ago
Simplify: 20 sin(2x) cos(2x)
alexandr1967 [171]
Use the the double angle formula:
sin(2A)=2sin(A)cos(A)

substitute 2x for A, then
20sin(2x)cos(2x)=10(sin(2(2x))cos(2(2x))=10sin(4x)

8 0
3 years ago
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