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Misha Larkins [42]
3 years ago
12

Please help its a test. explain and select all statements that are true

Mathematics
2 answers:
lapo4ka [179]3 years ago
7 0
B &D are Correct

B explanation: The variable is the 3, as the 3 is the amount per ride but we don’t know how many rides so you would multiply the unknown (x) by the 3, so this answer would be correct.


D explanation: if you replace the four with the x for both they both equal $28.
Otrada [13]3 years ago
5 0

Answer:

i think b and d

Step-by-step explanation: the $4.75 per mile and $3 per mile represent the "m" in y=mx+b. you have to multiply 4.75 by the number of miles travelled, and add that to the $9 additional fee to find the total amount charged. for the "driveyou" equation, you multiply $3 by the number of miles travelled, which is "x" in the equation. hope that helps, i'm new to brainly :)

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What is the value of x in the diagram below?
otez555 [7]

The cosine of 30° is √3 / 2.

Since cosine is Adjacent over Hypotenuse, Hypotenuse = (2 / √3) * 9 = 18 / √3.

The cosine of 45° is √2 / 2.

Therefore, X = (2 / √2) * (18 / √3) = 36 / √6 = 18 / √1.5 = C

8 0
3 years ago
insurance company checks police records on 559 accidents selected at random and notes that teenagers were at the wheel in 91 of
ss7ja [257]

Answer: (13.22\%,\ 19.34\%)

Step-by-step explanation:

Given : Sample space : n= 559

Sample proportion : \hat{p}=\dfrac{91}{559}=0.162790697674\approx0.1628

=16.28\%

Significance level : \alpha= 1-0.95=0.05

Critical value : z_{\alpha/2}=1.96

Confidence level for population proportion:-

\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}\\\\=0.1628\pm (1.96)\sqrt{\dfrac{0.1628(1-0.1628)}{559}}\\\\=0.1628\pm0.030604971367\\\\\approx 0.1628\pm0.0306=(0.1322,\ 0.1934)=(13.22\%,\ 19.34\%)

Hence, 95% confidence interval for the percentage of all auto accidents that involve teenage drivers.= (13.22\%,\ 19.34\%)

7 0
3 years ago
Ryan uses 2 gallons of water to fill up 10 water balloons. Each balloon
Nutka1998 [239]

5 because your dividing 10 and 2.

3 0
3 years ago
The distance between (-5, 3) and B(5, 3) is
8090 [49]
In here, we will use the distance formula
\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}

Compute the distance between <span>(-5, 3) and (5, 3)
</span>=\sqrt{\left(5-\left(-5\right)\right)^2+\left(3-3\right)^2}
<span>
= 10 

The distance between </span>(-5, 3) and (5, 3) is 10 
8 0
3 years ago
Which of the numbers below are <br><br>exactly divisible by 9?<br><br>115 504 968 646 882
o-na [289]
The correct answer is 504
4 0
3 years ago
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