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3 years ago

AREA OF A CIRCLE WILL MARK AS BRAINLIEST :)

Mathematics

2 answers:

dezoksy [38]3 years ago

8 0

Hear us the EXACT awbnser 153.9380400259

ale4655 [162]3 years ago

4 0

The formula for area of a circle is π × r². In this circle, r = 7 and π = 3.14, so you do 3.14 × 7² = 153.86 yd². I hope this helps!

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Calculate the area of the figure below using the following information:

ahrayia [7]

Area of polygon ABCDE will be summation of all the areas of triangle = 7.95 + 9.8 + 8.75 = 26.5 square units.

7 0

4 years ago

Evaluate 3{-1+3[7-2(-10+8)]}

marshall27 [118]

3{-1 + 3 [ 7 - 2(-10 + 8)]} Work out ' inside' parentheses first:-

= 3{-1 + 3 [7 - 2*-2]}

= 3 { -1 + 3 [7 + 4]}

= 3 { -1 + 3*11}

= 3 * 32

= 96 answer

4 0

3 years ago

In a random sample of 75 individuals, 52 people said they prefer coffee to tea. 99.7% of the population mean is between 84/80/74

Dmitriy789 [7]

Using a 1-sample z-interval for the population proportion with confidence level 0.997, the sample probability is 0.69 with margin of error of 0.16, so between 0.69+0.16=0.85 of the population and 0.69-0.16=0.53 of the population prefers coffee. 84% and 54% are the correct answers.

7 0

4 years ago

Read 2 more answers

A line on the coordinate plane passes through the points (7, -5) and (3, 11). A line that is perpendicular to the first line pas

yulyashka [42]

Slope of the line passing through (7,-5) and (3,11) =
$\frac{11 - ( - 5)}{3 - 7}$
= -4

As two lines are perpendicular to each other, so when their slopes are multiply by each other, the answer will be -1

so the slope of the line passing through (-3,-9) and (5,n) will be
$\frac{1}{4}$
So will will get a formula below
$\frac{n - ( - 9)}{5 - ( - 3)} = \frac{1}{4}$
and the answer will be n=
$- 7$

6 0

3 years ago

What is an equation of the line that passes through the point (-5, -3) and is

bija089 [108]

9514 1404 393

Answer:

3x +5y = -30

Step-by-step explanation:

The parallel line can have the same x- and y-coefficients. You can find the value of the new constant by using the given point for x and y:

3x +5y = 3(-5) +5(-3) = -30

3x +5y = -30

6 0

3 years ago