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IrinaK [193]
3 years ago
11

Which of the following statements about trapezoids is true? 

Mathematics
2 answers:
ehidna [41]3 years ago
5 0

Answer:

D. One pair of opposite sides is parallel

Explanation:

bc if you look at the other choices they arent true.. if yalls dont know what a trapezoid looks like, i think you should go back to elementary :) I still dont know my lefts and rights

maw [93]3 years ago
4 0

    D one pair of opposite sides is parallel is the answer because trapezoids are another pair angled towards each and if  you follow long enough they will intersect. A couldn't be true because if ALL the angles are corresponding angles you would need two pairs of parallel lines. B isn't correct because the sides would need to be parallel for that too. C well you've already proved they don't have two pairs of parallel lines.

Hope this helps :)

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choli [55]

Answer: 12

Step-by-step explanation:

\frac{6}{18}=\frac{4}{c}

Solve for c

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3 0
3 years ago
Two boys and three girls are auditioning to play the piano for a school production. Two students will be chosen, one as the pian
finlep [7]

Answer:

30% is the correct answer.

Step-by-step explanation:

Total number of boys = 2

Total number of girls = 3

Total number of students = 5

To find:

Probability that the pianist will be a boy and the alternate will be a girl?

Solution:

Here we have to make 2 choices.

1st choice has to be boy (pianist) and 2nd choice has to be girl (alternate).

\bold{\text{Required probability }= P(\text{boy as pianist first}) \times P(\text{girl as alternate})}

Formula for probability of an event E is given as:

P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}

For P(\text{boy as pianist}), number of favorable cases are 2 (total number of boys).

Total number of cases = Total number of students i.e. 5

So, P(\text{boy as pianist}) is:

P(\text{boy as pianist}) = \dfrac{2}{5}

For P(\text{girl as alternate}), number of favorable cases are 3 (total number of girls).

Now, one boy is already chosen as pianist so Total number of cases = Total number of students left i.e. (5 - 1) = 4

P(\text{girl as alternate}) = \dfrac{3}{4}

So, the required probability is:

\text{Required probability } = \dfrac{2}{5}\times \dfrac{3}{4} = \dfrac{3}{10} = \bold{30\%}

6 0
3 years ago
Please help ASAP thank youu!!
Gennadij [26K]

Answer:

1. (-5)

Step-by-step explanation:

Here you go, glad to help :)

4 0
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Its false because it can't repeat in a set.
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3 years ago
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inn [45]
123 - Use PEMDAS but since you have both division and multiplication you can just go from left to right
4 0
2 years ago
Read 2 more answers
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