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3 years ago

Help plz!!!!! I need help

Mathematics

2 answers:

Nataly [62]3 years ago

8 0

Answer: J and K

Step-by-step explanation:

$\sqrt{20}$ is about $4.472135$

Airida [17]3 years ago

7 0

Answer:

J and K

Step-by-step explanation:

√20=4.47

4.47 is almost in between J and K in the number line.

Hence, it's J and K.

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Holly works ina garage <br> Mr Bhakti brings his car

swat32

Answer:

298.788

Step-by-step explanation:

110+49.99+89 = 248.99

248.99 + 20%

= 298.788

6 0

3 years ago

Claire has a hot tube with a diameter of 7feet.She wants to purchase a cover to protect the hot tub.What is the area of the cove

Vikki [24]

Answer:

38.465 ft²

Step-by-step explanation:

the area of a circle can be calculated using the following formula:

$A=\pi *r^2$

the radius is half of the diameter:

$\frac{1}{2} *7=3.5$

$\pi *3.5^2=38.465\\\pi * 12.25 = 38.465$

8 0

3 years ago

Do the ratios 2-4 and 14-7 form a proportion

Nadya [2.5K]

Answer:

Step-by-step explanation:

because 2 is divisible by 14 but 4 is not divisible by 17

3 0

3 years ago

Read 2 more answers

How to find the length of EF?

nika2105 [10]

$CD = \frac{HG + EF}{2} \Leftrightarrow EF = 2CD - HG$

$2x - 2 = 2x - x + 3\\2x - 2x + x = 3 + 2\\x = 5$

$EF = 2 * 5 - 2 = 10 - 2 = 8$

Answer: 8.

8 0

3 years ago

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A circle with center C(4, -2) passes through the point A(1, 3). Does the point B(8, -2) lie inside the circle?

Setler79 [48]

Answer:

Yes, point B will lie inside the circle.

Step-by-step explanation:

Let the distance between point C and point A be the radius of our given circle.

We have been given that a circle with center C(4, -2) passes through the point A(1, 3).

Since we know that a point will lie inside circle if the distance between the point and center of circle is less than radius of circle.

Let us find distance between points C and A using distance formula.

$\text{Radius}=\sqrt{(x_2-x_1)^{2}+(y_2-y_1)^{2}}$

$\text{Radius}=\sqrt{(4-1)^{2}+(-2-3)^{2}}$

$\text{Radius}=\sqrt{(3)^{2}+(-5)^{2}}$

$\text{Radius}=\sqrt{9+25}$

$\text{Radius}=\sqrt{34}$

Radius of our circle is $\sqrt{34}$ . Now let us find distance between center of our circle and point B.

$\text{Distance between C and B}=\sqrt{(4-8)^{2}+(-2--2)^{2}}$

$\text{Distance between C and B}=\sqrt{(-4)^{2}+(-2+2)^{2}}$

$\text{Distance between C and B}=\sqrt{16+(0)^{2}}$

$\text{Distance between C and B}=\sqrt{16}$

$\text{Distance between C and B}=4$

We can see that distance of point B from center of our given circle is less than distance between point A and center of circle, therefore point B will lie inside the circle.

4 0

3 years ago

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