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musickatia [10]
2 years ago
6

Erggkhbqea cbse class 7 maths chapter 8 exercise 8.3 solutions in ​

Mathematics
1 answer:
madam [21]2 years ago
5 0

Answer:

am I supposed to join your meet with that C0DE

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The formula for the area of a circle is A =pie r 2. Classify the area of a circle with a radius of 0.75 centimeters as either ra
MA_775_DIABLO [31]
It is irrational.

A = π r^2 = π[3/4 cm]^2 = 9π/16 cm^2

An irrational number (Pi in this case) multiplied by a rational number (9/4) gives an irrational number.
4 0
4 years ago
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An aircraft travels for 30 minutes at an average speed of 37 mph. how far did the airplane travel?
kupik [55]

Answer:

1.23 repeating

Step-by-step explanation:

divide 37 and 30

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2 years ago
A drawing of a tree and a wall are in the image below.
mina [271]

Answer:

<em>Choice B. 16 feet.</em>

<em>The height of the tree is 16 ft</em>

Step-by-step explanation:

<u>Similar Triangles</u>

Similar triangles have their corresponding side lengths proportional by a fixed scale factor.

We are given the drawings of a tree and a wall and it's assumed both triangles are similar. We need to find the scale factor and find the height of the tree.

Comparing the corresponding distances from the viewer to the base of the tree and the base of the wall, we can calculate the scale factor as 24/6=4.

Applying the same factor to the height of the model, we get the height of the tree is 4*4 = 16 ft.

Choice B. 16 feet

The height of the tree is 16 ft

6 0
3 years ago
How do you find the legs of a right triangle when only given the hypotenuse?
tangare [24]

Answer:

We know that a^2+b^2=c^2. The 45° angle lets us know that y=x (45+45+90=180), so the problem is y^2+x^2=4sqrt of 2

4 \sqrt{2}  =  \sqrt{32 }  \\    \sqrt{32} ^{2}  = 32

So you get y^2+x^2=32, and from there, since we know x and y are equal, you can just divide 32 by 2 then take the square root of that, so the answer should be <em><u>4</u></em><em><u> </u></em><em><u>for</u></em><em><u> </u></em><em><u>both</u></em><em><u> </u></em><em><u>x</u></em><em><u> </u></em><em><u>and</u></em><em><u> </u></em><em><u>y</u></em>

Step-by-step explanation:

let me know if I'm wrong lol

6 0
2 years ago
A line passes through the point (10,9) and has a slope of 3/2. Write an equation in slope intercept form for this line
Andre45 [30]

Answer:

The equation of line passing through (10,9) and having slope 3/2 is: y = \frac{3}{2}x-6

Step-by-step explanation:

The slope intercept form of a line is given by:

y=mx+b

We are given

Slope = m = 3/2

Point = (10,9)

Putting the value of the slope in the equation we get

y = \frac{3}{2}x+b

b is the y-intercept. To find the y-intercept we have to put the point through which the line passes in the equation.

Putting (10,9) in the equation

9 = \frac{3}{2}(10) +b\\9 = 15+b\\b = 9-15\\b = -6

Putting b=-6 in the equation

y = \frac{3}{2}x-6

Hence,

The equation of line passing through (10,9) and having slope 3/2 is: y = \frac{3}{2}x-6

5 0
3 years ago
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