All categories

2 years ago

How do i do this ?i need help on finding the answer . To all three questions

Mathematics

1 answer:

Igoryamba2 years ago

8 0

Answer:

area of larger circle : 9π = 28.27

area of smaller circle: 4π = 12.57

area of shaded region: 15.71

Step-by-step explanation:

area of a circle = πr^2

I think these are right i dont know tho

You might be interested in

Christina is saving for a new tablet it cost $70 including tax she has already saved $35 how much more does she need to save

igomit [66]

Answer:

She needs to save $35.

Step-by-step explanation:

To find out how much more she needs, you take $70 and minus $35

70-35=35

Hope this helps!

8 0

3 years ago

Which statement is true about this quadratic equation?

Masteriza [31]

Answer:

There are two real roots because b²>4ac

in the equation, b²= 9² = 81.

4ac = 4×-4×-12= 72

8 0

2 years ago

Please help me it's edgenuity laws of exponents

Roman55 [17]

Answer:

a = 10

b = 6

(a,b) = (10,6)

5 0

3 years ago

Read 2 more answers

An altitude is drawn from the vertex of an isosceles triangle, forming a right angle

romanna [79]

Answer:

54 in

Step-by-step explanation:

Use Pythagorean to find the missing side x of the triangle.

<u>It is a hypotenuse with other sides 18 in and half of 15 in:</u>

$x = \sqrt{18^2+(15/2)^2} =\sqrt{380.25} =19.5$

<u>The perimeter is:</u>

P = 2*19.5 + 15 = 54

7 0

2 years ago

"the quotient of a number and 4"

ladessa [460]

Answer:

a number divided by 4

Step-by-step explanation:

a number = n (it's a variable used in equations.)

so n over 4, or n divided by 4

3 0

3 years ago