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Scilla [17]
3 years ago
6

Which statement is true about figures ABC D & ABCD

Mathematics
1 answer:
sukhopar [10]3 years ago
5 0

Answer:

it's option b that is the right answer

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25 minutes before 9 at night is written as _:__p.m.​
Natali [406]
The answer is 8:35 pm
6 0
2 years ago
I need help on all of them
Aneli [31]

Answer:

<em>Part A</em>

1) -4x+17

2) -45x+32

3) -17x

<em>Part B</em>

4) 4x+28

5) -12x+15

6) -1x-6

<em>Part C</em>

7) 2x+19

8) -4x-4

9) -14x-24

10) 3x-2

Step-by-step explanation:

I did the work in a notebook. I know it's right.

Hope this helps. Have a nice day you amazing bean child.

4 0
3 years ago
The question is up there helpp plz <br>​
nignag [31]
Option C is the answer to this question.. that’s 2
4 0
2 years ago
Crash testing is a highly expensive procedure to evaluate the ability of an automobile to withstand a serious accident. A simple
Veseljchak [2.6K]

Answer:

The 95% confidence interval is (-0.2451, 06912)

Step-by-step explanation:

From the question, we have;

The number of small cars in the sample of small cars, n₁ = 12

The number of small cars that were totaled, x = 8

The number of large cars in the sample of small cars, n₂ = 15

The number of large cars that were totaled, y = 5

Therefore, the proportion of small cars that were totaled, pX = x/n₁

∴ pX = 8/12 = 2/3

The proportion of large cars that were totaled, pY = y/n₁

∴ pY = 5/15 = 1/3

The 95% confidence interval for the difference pX - pY is given as follows;

pX-pY\pm z^{*}\sqrt{\dfrac{pX\left (1-pX  \right )}{n_{1}}+\dfrac{pY\left (1-pY  \right )}{n_{2}}}

\dfrac{2}{3} -\dfrac{1}{3} \pm 1.96 \times \sqrt{\dfrac{\dfrac{2}{3} \times \left (1-\dfrac{2}{3}   \right )}{12}+\dfrac{\dfrac{1}{3} \times \left (1-\dfrac{1}{3}   \right )}{15}}

Therefore, we have;

\therefore 95\% \  CI = \dfrac{1}{3} \pm 0.3578454

The 95% confidence interval, CI = (-0.2451, 06912)

6 0
2 years ago
Alan works 6miles away from the apartment and rollerblades from his work place to the apartment at a constant rate of 7miles per
dimulka [17.4K]
Let the distance remaining after time t be x miles.

Distance traveled by Alan = (6-x) miles
Distance traveled by Soren = (8-x) miles

Time takes by the two is the same. Therefore,
(8-x)/12 = (6-x)/7 => 7(8-x) = 12(6-x) => 56-7x = 72-12x => 12x-7x = 72 -56 => 5x= 16 => x = 16/5 = 3.2 miles.

And then, time taken (t) = (8-3.2)/12 = (6-3.2)/7 = 0.4 hours
4 0
3 years ago
Read 2 more answers
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