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Trava [24]
3 years ago
15

Question 1 of 10

Mathematics
1 answer:
maksim [4K]3 years ago
4 0
The Answer is going to be B
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A 31 foot board is cut in two pieces so that the longer piece is 1 foot less than three times the shorter piece
strojnjashka [21]
X is the short piece
(3•x-1)+x=31
4x=31+1
X=32/4=8

Short piece is 8
Long piece is 3•8-1=23

Check 8+23=31 ✔️
8 0
3 years ago
According to the Centers for Disease Control and Prevention, the proportion of U.S. adults age 25 or older who smoke is 0.22. A
Dmitrij [34]

Answer: Null hypothesis :H_0:\ p=0.22

Alternative hypothesis : H_a:\ p

Step-by-step explanation:

Given claim : The proportion of U.S. adults age 25 or older who smoke : p=0.22

A researcher suspects that the rate is lower among U.S. adults 25 or older who have a bachelor's degree. i.e. p

Since the null hypothesis is a fact checked by the researcher or the experimenter that always contains a equals to sign.

∴ Null hypothesis :H_0:\ p=0.22

Alternative hypothesis : H_a:\ p

3 0
3 years ago
Draw a graph of y= 2 - 1/2x
Zigmanuir [339]
To draw a graph of y=2-1/2x the point on the graph starts a 2 then the next point goes down because of the -1/2x so it would subtracting 0.5 from each previous point

8 0
3 years ago
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The ratio black to blue bags is 5 to3 if there is 10 black bags how many blue bags?
konstantin123 [22]

Answer: 6

Step-by-step explanation:

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Can someone help me with college algebra?
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Whats the problem that you need help with

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