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snow_tiger [21]
3 years ago
12

A circle with radius of 2cm sits inside a circle with radius of

Mathematics
1 answer:
Semmy [17]3 years ago
6 0

Answer:

37.70 cm^2

Step-by-step explanation:

area of circle with radius 4 cm = (pi)r^2 = 3.14159 * (4 cm)^2 = 50.27 cm^2

area of circle with radius 2 cm = (pi)r^2 = 3.14159 * (2 cm)^2 = 12.57 cm^2

difference in areas = 37.70 cm^2

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1b. $1 6​− 1 3​ Lin said the value of this expression is $ 1 6​. Is she correct? Explain or show your reasoning to prove your an
Brrunno [24]

Answer:

No she is not correct

Step-by-step explanation:

She is not correct because “value of expressions” mean the result which for this it is 16-13 =3 and she is wrong. please mark me brainly! Hope this helps! :D

4 0
3 years ago
What’s an equation that passes through the ordered pair (3,7)and has a slope of -4
natita [175]

For this case we have that by definition, the equation of the line of the slope-intersection form is given by:

y = mx + b

Where:

m: It is the slope of the line

b: It is the cut-off point with the y axis

According to the statement data we have:

m = -4\\(x, y) :( 3,7)

Then, the equation is of the form:

y = -4x + b

We substitute the given point and find "b":

7 = -4 (3) + b\\7 = -12 + b\\7 + 12 = b\\b = 19

Finally, the equation is of the form:

y = -4x + 19

Answer:

y = -4x + 19

6 0
3 years ago
Can anyone help me with these questions i will mark you as brainliest
Aliun [14]

Answer:

X= 38

Step-by-step explanation:

A straight line is 180⁰ so we can subtract that by 133⁰ to get the degree on the inside of the triangle which is 47. You then add 47 and 95 to get 142. To get x you subtract 142 from 180

8 0
2 years ago
Triangle JKL is graphed on the coordinate plane below. On a coordinate plane, triangle J K L has points (1, 2), (4, 2), (3, 5).
lianna [129]

<u>Given</u>:

The coordinates of the triangle JKL are (1,2),(4,2) and (3,5)

We need to determine the coordinates of the triangle J'K'L' rotated 360° clockwise with the origin.

<u>Coordinates of the triangle J'K'L':</u>

The rule to rotate the triangle 360° clockwise with the origin is given by

(x,y)\implies (x,y)

The coordinates of the point J' is given by

(1,2)\implies (1,2)

The coordinates of the point K' is given by

(4,2) \implies (4,2)

The coordinates of the point L' is given by

(3,5)\implies (3,5)

Therefore, the coordinates of the triangle J'K'L' are (1,2), (4,2) and (3,5)

Hence, Option D is the correct answer.

7 0
3 years ago
Read 2 more answers
Jack read 9 books in 15 months. What was his rate of reading in months per book? Include units.
sladkih [1.3K]

Answer:

3/5 books

Step-by-step explanation:

Divide 9 by 15 to get 0.6

0.6=3/5

7 0
2 years ago
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