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lbvjy [14]
2 years ago
15

What is the area of the trapezoid shown below?

Mathematics
2 answers:
crimeas [40]2 years ago
5 0
I honestly don't know
Nookie1986 [14]2 years ago
3 0

Answer:

100

Step-by-step explanation:

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Multiply and subtract these polynomials and simplify. Enter your response in standard form. (2x^3 − 3x + 11) − (3x^2 + 1)(4 − 8x
Lera25 [3.4K]

Answer:

=26x^3−12x^2+5x+7

Step-by-step explanation:

2x^3−3x+11−(3x^2+1)(4−8x)

Distribute:

=2x^3+−3x+11+24x^3+−12x^2+8x+−4

Combine Like Terms:

=2x^3+−3x+11+24x^3+−12x2+8x+−4

=(2x^3+24x^3)+(−12x^2)+(−3x+8x)+(11+−4)

=26x^3+−12x^2+5x+7

5 0
3 years ago
Read 2 more answers
List some factors of 18 and 54
Jobisdone [24]
18=3x6,9x2
54=54x1,18x3
6 0
3 years ago
Help and fast! pleaseeeeeeeee
AfilCa [17]

Answer:

7

Step-by-step explanation:

<h2><em><u>to</u></em><em><u> </u></em><em><u>smome</u></em><em><u> </u></em><em><u>in</u></em><em><u> </u></em><em><u>your</u></em><em><u> </u></em><em><u>body</u></em><em><u> </u></em><em><u>and</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>difference</u></em><em><u> </u></em><em><u>between</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>difference</u></em><em><u> </u></em><em><u>between</u></em><em><u> </u></em><em><u>a</u></em><em><u> </u></em><em><u>person</u></em><em><u> </u></em><em><u>who</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>a</u></em><em><u> </u></em><em><u>good</u></em><em><u> </u></em><em><u>thing</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>smome</u></em><em><u> </u></em><em><u>and</u></em><em><u> </u></em><em><u>a</u></em><em><u> </u></em><em><u>few</u></em><em><u> </u></em><em><u>people</u></em><em><u> </u></em><em><u>are</u></em><em><u> </u></em><em><u>a</u></em><em><u> </u></em><em><u>different</u></em><em><u> </u></em><em><u>type</u></em><em><u> </u></em><em><u>and</u></em><em><u> </u></em><em><u>you</u></em><em><u> </u></em><em><u>are</u></em><em><u> </u></em><em><u>not</u></em><em><u> </u></em><em><u>sure</u></em><em><u> </u></em><em><u>how</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>make</u></em><em><u> </u></em><em><u>them</u></em><em><u> </u></em><em><u>better</u></em><em><u> </u></em><em><u>or</u></em><em><u> </u></em><em><u>a</u></em><em><u> </u></em><em><u>person</u></em><em><u> </u></em><em><u>with</u></em><em><u> </u></em><em><u>a</u></em><em><u> </u></em><em><u>better</u></em><em><u> </u></em><em><u>sense</u></em><em><u> </u></em><em><u>than</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>other</u></em><em><u> </u></em><em><u>person</u></em><em><u> </u></em><em><u>in</u></em><em><u> </u></em><em><u>a</u></em><em><u> </u></em><em><u>different</u></em><em><u> </u></em><em><u>type</u></em><em><u> </u></em><em><u>and</u></em><em><u> </u></em><em><u>you</u></em><em><u> </u></em><em><u>are</u></em><em><u> </u></em><em><u>a</u></em><em><u> </u></em><em><u>good</u></em><em><u> </u></em><em><u>relationship</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>difference</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>difference</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>difference</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>difference</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>that</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>smome</u></em><em><u> </u></em></h2>
3 0
3 years ago
Identify the variation as direct, inverse, joint or combined. y = cx²
viva [34]

Answer:

combined variation          

Step-by-step explanation:

we have

y=cx^{2}

we know that

a)<u> in the interval </u>----> (0,∞)

If the value of x increase the value of y increase

so

Is a direct variation

b) <u>in the interval -</u>---> (-∞,0)

If the value of x increase the value of y decrease

so

Is a inverse variation

therefore

Is a combined variation


4 0
3 years ago
Read 2 more answers
Weight of a rock: In a geology course, students are learning to use a balance scale to accurately weigh rocks. One student plans
statuscvo [17]

Answer:

The student who weighted the rock 5 times has a 95% confidence interval of (25.2, 29.1) which is guaranteed to be more wider (less precise) than the other student who weighted the rock 20 times.

Step-by-step explanation:

What is Confidence Interval?

The confidence interval represents an interval that we can guarantee that the target variable will be within this interval for a given confidence level.  

The confidence interval is given by

CI = \bar{x} + t_{\alpha/2}(\frac{\sigma}{\sqrt{n} } ) \\

Where \bar{x} is the mean weight \sigma is the standard deviation t_{\alpha/2} is the critical value from t-table and n is the sample size.

The term t_{\alpha/2}(\frac{\sigma}{\sqrt{n} } ) is known as margin of error.

As the sample size is decreased the corresponding margin of error increases which results in wider confidence interval which means smaller precision.

The student who weighted the rock 5 times has a 95% confidence interval of (25.2, 29.1) which is guaranteed to be more wider (less precise) than the other student who weighted the rock 20 times.

We can say with 95% confidence that the true mean weight of the rock is within the interval of (25.2, 29.1).

7 0
3 years ago
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