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2 years ago

CAN SOMEONE PLS HELP ME W THIS PROBLEM I NEED HELP ASAP

Mathematics

1 answer:

denis-greek [22]2 years ago

6 0

The blank spaces about the passage can be filled with the following correct vocabulary respectively.

inequality
strict inequality
compound inequality
solution sets
true

<h3>Inequality</h3>

An inequality is a relation between two numbers and/or expressions that are related via <, >, ≥ or ≤ sign.

A strict inequality is an expression that uses < and >. It tells us that one side is only more or less than the other side.

When 2 simple inequalities are joined by or and, we get a compound inequality.

When solving an inequality, the solution will be a range of values called its solution sets. The inequality will remain true for every single value in this range.

The inequality signs are;

Greater than >
Less than <
Greater than or equal to ≥
Less than or equal to ≤
Equal to =

Learn more about inequality:

brainly.com/question/25275758

#SPJ1

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Is this a right triangle 8,12,15

ycow [4]

Answer:

I don't think so

Step-by-step explanation:

$a^{2}$ + $b^{2}$ = $c^{2}$

If you insert your lengths, $8^{2}$ + $12^{2}$ does not equal $15^{2}$

6 0

3 years ago

An automobile manufacturer has given its car a 52.6 miles/gallon (MPG) rating. An independent testing firm has been contracted t

Arte-miy333 [17]

Answer:

Null hypothesis: $\mu = 52.6$

Alternative hypothesis: $\mu \neq 52.6$

$z=\frac{52.8-52.6}{\frac{1.6}{\sqrt{250}}}=1.976$

$p_v =2*P(z>1.976)=0.0482$

Since the p value is lower than the significance level wedon't have enough evidence to conclude that the true mean is significantly different from 52.6 MPG.

Step-by-step explanation:

Information provided

$\bar X=52.8$ represent the sample mean for the MPG of the cars

$\sigma=1.6$ represent the population standard deviation

$n=250$ sample size of cars

$\mu_o =52.6$ represent the value that we want to test

$\alpha=0.05$ represent the significance level for the hypothesis test.

z would represent the statistic (variable of interest)

$p_v$ represent the p value for the test

Hypothesis

We need to conduct a hypothesis in order to check if the true mean of MPG is different from 52.6 MPG, the system of hypothesis would be:

Null hypothesis: $\mu = 52.6$

Alternative hypothesis: $\mu \neq 52.6$

Since we know the population deviation the statistic is given by:

$z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}}$ (1)

Calculate the statistic

Replacing we have this:

$z=\frac{52.8-52.6}{\frac{1.6}{\sqrt{250}}}=1.976$

Decision

Since is a two tailed test the p value would be:

$p_v =2*P(z>1.976)=0.0482$

Since the p value is lower than the significance level wedon't have enough evidence to conclude that the true mean is significantly different from 52.6 MPG.

3 0

3 years ago

Write an equation in slope intercept form

Galina-37 [17]

It would be C. A perpendicular slope means it has the opposite reciprocal slope, so 1/2 would turn into -2. Since there's only one option with -2 as a slope, C must be right.

If you need further help, message me or comment under this post.

6 0

4 years ago

Put in order rational numbers

Allushta [10]

Answer:

$-\frac{26}{40}$

$-\frac{9}{20}$

$\frac{12}{25}$

Step-by-step explanation:

Divide each individually.

$-\frac{9}{20}=-0.45$

$\frac{12}{25}= 0.48$

$-\frac{26}{40}=-0.65$

Since you have to order them from least to greatest, begin by the negative number that is farthest from 0. In this case, -0.65, the next negative number would be -0.45 and finally we only have one positive number 0.48

3 0

3 years ago

-2.7f + 0.8f -14 -5 please help

Scrat [10]

Answer:

3.5f − 19

Explanation:

2.7f + 0.8f − 14 − 5

= 2.7f + 0.8f + −14 + −5

[ Combine Like Terms ]

= 2.7f + 0.8f + −14 + −5

= (2.7f + 0.8f) + (−14 + −5)

= 3.5f + −19

-PNW

8 0

3 years ago