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ahrayia [7]
3 years ago
7

Solve the compound inequality and graph Please help! :)

Mathematics
1 answer:
frozen [14]3 years ago
8 0

Answer:

Step-by-step explanation:

x+4≥10 and x-6>-15

x≥10-4 and x>-15+6

x≥ 6 and x>-9

combining the two

x>-9

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Describe the correlation of the scatterplot.
pickupchik [31]
Negative correlation
3 0
3 years ago
Read 2 more answers
What is the first step when rewriting y = 6x2 + 18x + 14 in the form y = a(x - h)? + k?
Talja [164]

Answer:

Simplify by taking out the largest common factor.

Step-by-step explanation:

6 0
3 years ago
A fleet of rental cars - all the same make, model, and year - has a mean fuel efficiency of 23. 4 miles per gallon (mpg). A rand
loris [4]

From the given question, we did not reject the null hypothsis which makes the answer to this question a type II error

<h3>What is type I error ?</h3>

Data:

  • Mean fuel efficiency = 23.4 mpg
  • samples = 41

This is an error done from rejecting the null hypothesis (H_0) when the null hypothesis is true, is known as type I error.

<h3>What is type II error ?</h3>

This is an error committed from not rejecting the null hypothesis (H_0) when actually the null hypothesis is false, is known as type II error

Given that the air filter changes are not effective i.e. ȝ = 24.7.

It means that if we do not reject the null hypothesis we shall make a correct decision. So consequently the chance of type II error is impossible because it occurs when we do not reject the null hypothesis, but here not rejecting the null hypothesis will lead to correct decision.

The answer to this question is type II error

Learn more on null hypothesis here;

brainly.com/question/15980493

7 0
3 years ago
Hence factorize completely the expression<br>9x³y² - 4xy⁴​
Aloiza [94]

Step-by-step explanation:

9 {x}^{3} {y}^{2}  - 4x {y}^{4}  \\  = x {y}^{2} (9 {x}^{2}  - 4 {y}^{2} )

4 0
3 years ago
Help please rn help
aksik [14]

Area of the large semicircle

= \pi{r}^{2}  \div 2

=  \frac{22}{7}  \times 12 {}^{2}  \times  \frac{1}{2}

=  \frac{11}{7}  \times12 \times 12

=  \frac{11}{7}  \times 144

= 226.28

Area of the small semicircle

= \pi  {r}^{2}  \div 2

=  \frac{22}{7}  \times 6 {}^{2}  \times  \frac{1}{2}

=  \frac{11}{7}  \times 6 \times 6

=  \frac{11}{7}  \times 36

= 56.57

Area of the figure

= 226.28 - 56.57

= 169.71 {cm}^{2}

8 0
3 years ago
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