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3 years ago

Classify the following triangle. Check all that apply.

Mathematics

2 answers:

soldier1979 [14.2K]3 years ago

8 0

1.Acute because all the sides are less than 90 degrees
2.Scalene because no sides are in equal length

Kisachek [45]3 years ago

4 0

I think the answer is A B E

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Jonathan’s class has 30 boys. Of the students in his class, 60% are girls. How many girls are in Jonathan’s class?

raketka [301]

Answer:

45 girls

Step-by-step explanation:

Remark
There are only 2 choices for gender. So if the class is 60% girls, the there must be 100 - 60 = 40% for the boys.
But we are told that the boys are 30 in number.
Let x = the total number of students.

Solution

40/100 * x = 30 Change the % to a decimal
0.4 x = 30 Divide both sides by 0.4
0.4 x / 0.4 = 30 / 0.4 Do the division
x = 30/0.4
x = 75 students in total

Formula

Total of Boys and Girls = Number of boys + number of girls.

Givens

Total = 75
Number of boys = 30

Solution II

75 = x + 30 Subtract 30 from each side
75 - 30 = x +30 - 30
45 = x
There are 45 girls in the class.

5 0

3 years ago

Plz help asapppppp plzz

Ksju [112]

In grade 7, 10/18 students are members of the band.
In grade 8, 10/12 students are members of the band.
Because 10/12>10/18, the answer is B

6 0

3 years ago

F(x)= 1/x−3+7 Find the inverse of f(x) and its domain.

castortr0y [4]

Answer:

f(x)^-1 = x - 4

D: {x is all real numbers}

Step-by-step explanation:

change f(x) to y

switch x with y and vice versa

solve for y

4 0

3 years ago

In a triangle the measure of the first angle is 24 degrees more than the second angle. the measure of the third angle is four ti

Leona [35]

The greatest angle in the given triangle is 104 degrees.

<h3>What is a triangle?</h3>

The polygon with 3 sides, three vertices, and three angles is known as a triangle.
A triangle's overall number of degrees is always 180 degrees.

Given:

Let, the second angle has a measurement of x degrees.
The first angle's measurement is 24 degrees greater than the second angle's measurement.
As a result, the first angle is (24+x) degrees.
The third angle is four times as large as the second.
As a result, the third angle has a measure of 4x.

So,

(24 + x) + x + 4x = 180
6x = 124 - 48
6x = 156
x = 156/6
x = 26

As a result, the second angle has a measurement of 26 degrees.

The first angle's measurement is now 24 degrees greater than the second angle's measurement.

Now,

= 24 + 26
= 50

As a result, the first angle has a measure of 50 degrees.

The third angle is now four times the size of the second angle.

So,

4 × 26 = 104

Therefore, the greatest angle in the given triangle is 104 degrees.

Know more about triangles here:

brainly.com/question/17335144

#SPJ4

7 0

2 years ago

Some students are making solid figures with 1-inch unit cubes. Brittany is making a cube. She builds the first two layers of the

Yuki888 [10]

Answer:

6³ = 216 cubes

Step-by-step explanation:

she needs six layer of 6x6 = 36 cubes

4 0

3 years ago