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3 years ago

Select all that apply

Mathematics

2 answers:

Elena-2011 [213]3 years ago

6 0

It's an isosceles triangle because base angles are same( 45°).

creativ13 [48]3 years ago

5 0

As two angles are same in the triangle, it would be isosceles.

In short, Your Answer would be Option E

Hope this helps!

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Find the value of X<br> A. 60 <br> B. 57 <br> C. 29 <br> D. 33

Alexxandr [17]

Cos x = adj/hyp = 11/20
x = cos^(-1) (11/20) = 57 degrees

8 0

3 years ago

In an isosceles triangle if the angle measure of one side is 30 degree then is the angle of the another side is same

gtnhenbr [62]

In an isosceles triangle, 2 angles and 2 sides are equal. Most likely you have 2 30-degree angles and 2 sides that are of the same length.

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3 years ago

Two children want to race around the city block. The length of the block is 80 yards.

olga_2 [115]

Because they are running around the block, the measure would be distance, which is not raised to anything.

The answer would be C - yd.

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4 years ago

How many ways are there to select a committee to develop a discrete mathematics course at a school if the committee is to consis

bagirrra123 [75]

Answer:

There are 27,720 ways to select the committee

Step-by-step explanation:

First, it is necessary to know how many ways are there to select 3 members, if there are 9 members of the mathematics department. This can be found using the following equation:

$nCk=\frac{n!}{k!(n-k)!}$

Where nCk gives as the number of ways in which we can select k elements from a group of n elements. So, replacing n by 9 and k by 3 members, we get:

$9C3=\frac{9!}{3!(9-3)!}=84$

So, there are 84 ways to select 3 members from 9 members of the mathematics department.

At the same way, we can calculate that there are 330 ways to select 4 members from the 11 that belong to the Computer science department as:

$11C4=\frac{11!}{4!(11-4)!}=330$

Finally the total number of ways in which we can form a committee with 3 faculty members from mathematics and 4 from the computer science department is calculated as:

9C3 * 11C4 = 84 * 330 = 27,720

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3 years ago

A student has taken 5 quizzes. She would like to have at least 90% average. What must her fifth score be to achieve her goal?

Brut [27]

Answer:

she needs 96 in the fifth quiz

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2 years ago