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zaharov [31]
2 years ago
10

In a class of 20 students, 7 were wearing a white shirt. In the same class, 14 students had on blue jeans. Eyewitnesses all stat

ed that the suspect was in the class, and wearing both a white shirt and blue jeans. According to the laws of probability, what percent of the class could be the suspect?
a. 15% b. 25% c. 35% d. 45%
how to solve this problem?
Mathematics
1 answer:
nadezda [96]2 years ago
6 0

Answer:

I want to answer 15%

Step-by-step explanation:

As for  how to solve it I don't really know I would use process of elimination because the answer can't be so high that it's 45%  so that's out. Personally I think that 35% is pretty high to so my best educated guess would be between 25% and 15% . Sorry this isn't more helpful.

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Leslie has 8pencils. She has 9 fewer pencils than Michelle. How many pencils does Michelle have?
sammy [17]

Answer:

<u>Michelle has 17 pencils</u>

Step-by-step explanation:

Number of pencils Leslie has = 8 (She has 9 fewer pencils than Michelle)

Number of pencils Michelle has = 9 more than Leslie

How many pencils does Michelle have?

If Leslie has 8 and she has 9 fewer than Michelle, then:

Michelle has 9 more than Leslie

<u>Michelle has 9 + 8 = 17 pencils</u>

7 0
2 years ago
The figure shows two semicircles centered at G and H. Point B is on both semicircles. Line DF touches each circle at one point o
kondaur [170]

Answer:

bro you need to put a picture because you can only solve it like that

Step-by-step explanation:

do that

3 0
2 years ago
Chris tried to rewrite the expression \left( 4^{-2} \cdot 4^{-3} \right)^{3}(4
crimeas [40]

We have been given an expression \left( 4^{-2} \cdot 4^{-3} \right)^{3}. We have been given steps how Chris tried to solve the given expression. We are asked to choose the correct option about Chris's work.

Let us simplify our given expression.

Using exponent property, a^m\cdot a^n=a^{m+n}, we cab rewrite our given expression as:

\left( 4^{-2+(-3)} \right)^{3}

\left( 4^{-5} \right)^{3}

Now we will use exponent property (a^m)^n=a^{m\cdot n}to further simplify our expression.

\left( 4^{-5} \right)^{3}= 4^{-5\cdot 3}

\left( 4^{-5} \right)^{3}= 4^{-15}

Therefore, Chris made mistake in step 2.

8 0
2 years ago
Drag the tiles to the correct boxes to complete the pairs. A group of people were surveyed, and the data about their age and hem
SVEN [57.7K]

Answer: 0.25 = the probability that a person in the 25-35 age group has a hemoglobin level less than 9.

0.47 = the probability of a person older then 35 years has a hemoglobin level less than 9.

0.28 = the probability that a person is older than 35 has a hemoglobin level between 9 and 11.

0.50 = the probability that a person younger than 25 has a hemoglobin level above 11.

Step-by-step explanation:

I did this on plato. It was right!

#platolivesmatter

4 0
2 years ago
Equilateral triangle ABC has a perimeter of 96 millimeters. A perpendicular bisector is drawn from angle A to side Line segment
prisoha [69]

Answer:

<h2>A  16mm</h2>

Step-by-step explanation:

An equilateral triangle is a triangle that has all of its sides equal.

Perimeter of an equilaterial triangle = 3s where;

s is one side of the triangle.

Given the perimeter of ABC = 96mm

Substituting into the formula above to get s;

96 = 3s

s = 96/3

s = 32mm

Hence the length of one side of the triangle is 32mm

If a perpendicular bisector is drawn from angle A to side Line segment B C at point M, then MC will be half of BC and ΔAMC will be a right angled triangle.

Since all the sides of the triangle are equal, hence BC = 32mm. Since MC is the half of BC, then MC = 1/2 of 32mm

MC = 1/2 * 32mm

MC = 16mm

<em>Hence the length of Line segment MC is 16mm</em>

<em></em>

5 0
2 years ago
Read 2 more answers
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