HELP I REALLY NEED HELP PLEASE :0 thanks

Mathematics

2 answers:

spayn [35]3 years ago

8 0

The area of the triangle is 52.5 ft squared.

mr Goodwill [35]3 years ago

6 0

Answer:

52.5 ft.

Step-by-step explanation:

To find the area of a triangle you find the hight and length and multiply them which in this case would be 84. Then, you divide it by two because a triangle is half of a square which would equal 42. Lastly, you do the same with the left side of the triangle which would equal 10.5. then, you add 42 and 10.5 together and your answer is 52.5.

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A class has 4 boys and 10 girls. What is the ratio in simplest form that compares number of boys to total number of students?

Alenkinab [10]

C. The answer is C because the total amount of students is 14, and there are 4 boys, which makes the ratio 4 boys to 14 students in total. 4 and 14 are both divisable by 2, so divide 4 to get 2 and divide 14 to get 7. This leaves you with 2 and 7. The ratio would be 2 boys to 7 total students. Hope this helped

4 0

3 years ago

The ratio of boys to girls in a school is 5:4. if there are 180 students, how many girls are there?

vladimir2022 [97]

Salutations!

The ratio of boys to girls in a school is 5:4. if there are 180 students, how many girls are there?

Let the number of girls and boys be 'x'.

 $5x + 4x = 180$

Add 5 and 4

 $9x = 180$

 $x = 20$

Now, multiply the ratios by 20.

Boys = 20 × 5 = 100

Girls = 20 × 4 = 80.

There were 80 girls.

Hope I helped (:

Have a great day!

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3 years ago

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zhenek [66]

C is the correct answer! hope this helped

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2 years ago

What is the formula to get the volume of a cylinder

bezimeni [28]

Answer:

V = π × r² × h

Step-by-step explanation: