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iVinArrow [24]
2 years ago
7

A multiple choice quiz has two questions , each with five answer choices. Only one choice is correct. Find the probability of an

swering two questions correctly,
. Show work
Mathematics
1 answer:
Leokris [45]2 years ago
4 0

Answer:

1/25 to get both correct

Step-by-step explanation:

So the probability of getting one choice correct is 1/5

Since 5 choices 1 is correct

now we have to get 2 in a row correct so

1/5*1/5=1/25

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Round each number to the nearest hundredth.
TEA [102]
About 96.47 so your answer is D

8 0
3 years ago
Read 2 more answers
Frida started to solve the equation 3x = 36 by adding 3 to both sides. Explain why Friday’s method will not solve the equation.
vlada-n [284]

Explanation:

The equation is 3x=36

Frida started to solve the equation by adding 3 to both sides.

Thus, the equation becomes,

3x+3=39

This will not solve the equation.

To solve the equation 3x=36, we need to divide both sides of the equation by 3.

Thus, the equation becomes,

\frac{3x}{3} =\frac{36}{3}

Dividing we get,

x=12

Hence, Frida cannot solve the equation by adding 3 to both sides of the equation. To solve the equation, Frida needs to divide both sides of the equation by 3.

Thus, to solve the equation 3x=36 Frida needs to divide both sides of the equation by 3.

7 0
3 years ago
What is the perimeter?
maria [59]

Answer:

14

Step-by-step explanation:

because the side length are 5 and 5 and 4 which is 14.

plz mark the brainliest

6 0
2 years ago
The ratio of girls to boys in the 6th grade is to 6to7 how many girls are there if there are 364total students
Rina8888 [55]

Answer:

168 girls.

Step-by-step explanation:

There are a total of 6 + 7 = 13 'parts'.

So one part = 364 / 13 = 28.

So the number of girls = 6 * 28

= 168.

4 0
3 years ago
Geometry question for homework.
mars1129 [50]

So remember that the distance formula is \sqrt{(x_2-x_1)^2+(y_2-y_1)^2} .

1.

\sqrt{(4-4)^2+(-2-(-5))^2}\\ \sqrt{0^2+3^2}\\ \sqrt{0+9}\\ \sqrt{9}\\ 3

Distance between (4,-5) and (4,-2) is 3 units.

2.

\sqrt{(1-(-1))^2+(1-4)^2}\\ \sqrt{2^2+(-3)^2}\\ \sqrt{4+9}\\ \sqrt{13}

Distance between (1,1) and (-1,4) is √13 (or 3.61 rounded to the hundreths) units.

3 0
3 years ago
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