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3 years ago

Please help me I have 10 minutes no scams I’m in 7th grade

Mathematics

1 answer:

dangina [55]3 years ago

6 0

Answer:

The answer is 37

Step-by-step explanation:

180- 143= 37

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Identify the sample chosen for the study.

Irina-Kira [14]

Answer:

The 13 students on floor

Step-by-step explanation:

The sample is a portion of population selected to view the aspects of population as whole population is difficult to follow. Here, the sample is 13 students on the floor because it is selected from 22 students on the floor.

The population consists of 22 students on floor and 13 out of 20 is the sample because it is a portion of population.

8 0

3 years ago

A rectangular swimminh pool has a width of 45 feet and area of 2475 feet. what is the pools legnth?

solniwko [45]

Answer:

55ft

Step-by-step explanation:

2475 ft² ÷ 45ft = 55ft

3 0

3 years ago

Which expression shows a way to find 5 x 1,625?

Mashcka [7]

The answer is A
5 x (1+6+2+5)

3 0

3 years ago

Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AD =4, BD =6, what is the length of DC

Lostsunrise [7]

Answer:

$AC=5$

Step-by-step explanation:

From the question we are told that:

Dimensions

$AD=4\\BD=6$

Generally the equation for these similar right triangle is mathematically given by

$\frac{AC}{AB}=\frac{AB}{AD}=\frac{BC}{BD}$

$\frac{AC}{AB}=\frac{AB}{AD}$

Where

$AD=x$

$AC=x+4$

Therefore

$AB^2=x(x+4)$

Generally the Pythagoras equation for $\triangle$ ADB is mathematically given by

$AB^2=BD^2+AD^2$

$x(x+4)=4+x^2$

$x(x+4)-(4+x^2)=0$

$x^2+4x)-(4+x^2)=0$

$4x-4=0$

$x=1$

Therefore

$AC=x+4$

$AC=1+4$

$AC=5$

8 0

3 years ago

i have to find the perimeter of a rectangle. one side is 7/10 (fraction) and the other side is 2 1/4 (mixed number). What is the

allochka39001 [22]

Answer is this, Attached with a photo

5 0

3 years ago

Read 2 more answers