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Masteriza [31]
3 years ago
13

Solve forp. (1 point)3(p+ 4) =p​

Mathematics
1 answer:
NeX [460]3 years ago
5 0

Answer:

p = -6

Step-by-step explanation:

1) Distribute 3 through the parenthesis {3p + 12 = p}

2) Subtract 12 from each side {3p = p - 12}

3) Subtract p from each side {2p = -12}

4) Divide each side by 2 {p = -6}

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What is 5x-9+2-4=9.4
Dominik [7]

Answer:

x=5.1

Step-by-step explanation:

5x-9+2-4=9.4

5x=9.4+4-2+9

5x=20.4

x=5.1

4 0
2 years ago
An engineer designed a valve that will regulate water pressure on an automobile engine. The engineer designed the valve such tha
natita [175]

Answer:

Step-by-step explanation:

Given that:

Population Mean = 7.1

sample size = 24

Sample mean = 7.3

Standard deviation = 1.0

Level of significance = 0.025

The null hypothesis:

H_o: \mu = 7.1

The alternative hypothesis:

H_a: \mu > 7.1

This test is right-tailed.

degree \ of \  freedom=  n - 1 \\ \\ degree \  of \  freedom  =  24 - 1 \\ \\ degree \ of \  freedom   = 23

Rejection region: at ∝ = 0.025 and df of 23, the critical value of the right-tailed test t_c = 2.069

The test statistics can be computed as:

t = \dfrac{ \hat X - \mu_o}{\dfrac{s}{\sqrt{n}}}

t = \dfrac{ 7.3-7.1}{\dfrac{1}{\sqrt{24}}}

t = \dfrac{0.2}{0.204}

t = 0.980

Decision rule:

Since the calculated value of t is lesser than, i.e t = 0.980 < t_c = 2.069, then we do not reject the null hypothesis.

Conclusion:

We conclude that there is insufficient evidence to claim that the population mean is greater than 7.1 at 0.025 level of significance.

6 0
3 years ago
A 99-inch candle burns down in 12 hours. At what rate does the candle burn, in inches per hour?
Kitty [74]
8.25 i believe (sorry if i’m wrong )
5 0
2 years ago
Read 2 more answers
Help please!!!!<br><br> Evaluate the expression when x = 4 and y = 9<br><br> 4x+6y = ?
mote1985 [20]

Answer:

52

Step-by-step explanation:

4(4)+6(9)

16+36

52

4 0
3 years ago
Read 2 more answers
Are collinear points coplanar?
Anna35 [415]

collinear points are points in the same line, like

●-----------------●------------------------------------------●

and the line will always be contained by a plane, so since the line is in a plane, all points in it will also be in the same plane, and therefore be coplanar.

8 0
3 years ago
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