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Tcecarenko [31]
3 years ago
13

HELP ASAP PLS 10 points AND BRAINLEST

Mathematics
1 answer:
erastova [34]3 years ago
5 0

Answer:

ABC is congruent to EDC because m<3 = m<4 and m<1 = m<5

Step-by-step explanation:

m<3 and m<4 are vertical angles so they are congruent. m<1 and m<5 are alternate interior angles so they are also congruent.

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12y+d=−19y+t does anyone know the answer
IRINA_888 [86]
Hello Aboswell05,  Let's solve for d.<span><span><span> 12y</span>+d</span>=<span><span>−<span>19y</span></span>+t</span></span> Step 1: Add -12y to both sides.<span><span /></span><span><span><span> d+<span>12y</span></span>+<span>−<span>12y</span></span></span>=<span><span>t−<span>19y</span></span>+<span>−<span>12y</span></span></span></span><span /><span> d=<span>t−<span>31y</span></span></span>Answer:<span> d=<span>t−<span>31y. if this is not the answer correct me and ill redo the question.
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6 0
3 years ago
h(x)= \dfrac{1}{8} x^3 - x^2h(x)= 8 1 ​ x 3 −x 2 h, left parenthesis, x, right parenthesis, equals, start fraction, 1, divided b
Nesterboy [21]

Answer:

\dfrac{1}{2}

Step-by-step explanation:

Given the function h(x)=\dfrac{1}{8}x^3-x^2

The average rate of change of the function h(x) over the interval a\le x\le b can be calculated using formula

\dfrac{h(b)-h(a)}{b-a}

In your case,

a=-2,\\ \\b=2,

so the average rate of change is

\dfrac{h(2)-h(-2)}{2-(-2)}\\ \\=\dfrac{(\frac{1}{8}\cdot 2^3-2^2)-(\frac{1}{8}\cdot (-2)^3-(-2)^2)}{4}\\ \\=\dfrac{(1-4)-(-1-4)}{4}\\ \\=\dfrac{-3+5}{4}\\ \\=\dfrac{2}{4}\\ \\=\dfrac{1}{2}

6 0
3 years ago
Suppose taxi fare from Logan Airport to downtown Boston is known to be normally distributed with a standard deviation of $2.50.
Mariulka [41]

Answer:

95% Confidence interval for taxi fare:  ($20.5,$24.2)

Step-by-step explanation:

We are given the following data set: for fares:

$22.10, $23.25, $21.35, $24.50, $21.90, $20.75, and $22.65

Formula:

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{156.5}{7} = 22.35

95% Confidence interval:

\bar{x} \pm z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

22.35 \pm 1.96(\frac{2.5}{\sqrt{7}} ) = 22.35 \pm 1.85 = (20.5,24.2)

6 0
3 years ago
Measure of Variability:
Vesna [10]
The mean absolute deviation shows the average distance number data is from each other. The bigger it is the farther the numbers are away from each other and vice versa.
7 0
2 years ago
Eric wants to attend a public four-year university. He estimates that the average cost of one year at this university is $19,500
rjkz [21]
325 * 60 = 19500 so 60 months
7 0
3 years ago
Read 2 more answers
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