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WITCHER [35]
3 years ago
6

What are some good notes I can use to study for my algebra exam tomorrow?​

Mathematics
2 answers:
mixer [17]3 years ago
8 0
Practice questions and how to solve each type of questions
zlopas [31]3 years ago
4 0

Answer:

all you need to do is look over your notes continue to partice as much as you can

Step-by-step explanation:

you got this

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Write a doubles plus one fact for the sum of 7
gladu [14]
3 + 3 + 1 = 7 

3 + 3 are the double ones

+1

=7
8 0
3 years ago
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When testing gas pumps for accuracy, fuel-quality enforcement specialists tested pumps andfound that 1304 of them were not pumpi
elena-14-01-66 [18.8K]

Answer:

The p-value of the test statistic from the standard normal table is 0.0017 which is less than the level of significance therefore, the null hypothesis would be rejected and it can be concluded that there is sufficient evidence to support the claim that less than 20% of the pumps are inaccurate.

Step-by-step explanation:

Here, 1304 gas pumps were not pumping accurately and 5689 pumps were accurate.

x = 1304, n = 1304 + 5689 = 6993

The level of significance = 0.01

The sample proportion of pump which is not pumping accurately can be calculated as,

The claim is that the industry representative less than 20% of the pumps are inaccurate.

The hypothesis can be constructed as:

H0: p = 0.20

H1: p < 0.20

The one-sample proportion Z test will be used.

The test statistic value can be obtained as:

Z=\frac{\hat{p}-P}{\sqrt{\frac{P(1-P))}{n}}}\\\\Z=\frac{0.186-0.20}{6993}\\\\Z=-2.927

5 0
3 years ago
3x - 4/5 = 7/12 help me with this question
nlexa [21]

Answer:

Stephanie I am a rider provier the morning sir please

5 0
3 years ago
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Shannon sells handmade wallets for $12 each.
Novosadov [1.4K]
I hope this helps you

3 0
3 years ago
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What is the vertex of the quadratic function f(x)=x2+6x+16? Write your answer
Olenka [21]

Answer:

The vertex of the quadratic function is:

(x_{v}, y_{v})=\left(-3,\:7\right)

Step-by-step explanation:

Given the function

f\left(x\right)=x^2+6x+16

As the vertex of the form y=ax^2+bx+c is defined as:

x_v=-\frac{b}{2a}

As the quadratic function of parabola params are

a=1,\:b=6,\:c=16

so

x_v=-\frac{b}{2a}

x_v=-\frac{6}{2\cdot \:1}

x_v=-3

Putting x_v=-3 to determine y_v

y_v=\left(-3\right)^2+6\left(-3\right)+16

y_v=3^2-18+16

y_v=9-2

y_v=7

Therefore, the vertex of the quadratic function is:

(x_{v}, y_{v})=\left(-3,\:7\right)

5 0
3 years ago
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