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Anastasy [175]
3 years ago
11

True or false: In naming arcs, ABC is equivalent to AC

Mathematics
1 answer:
tester [92]3 years ago
3 0

Answer:

True

Step-by-step explanation:

I have a picture of my notes right here

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What is the volume of this sphere? use 3.14 for pi and round to the nearest hundredth when necessary.
Harrizon [31]

The volume of the sphere is 900 cm³

Step-by-step explanation:

  • Step 1: Given the diameter of the ball = 12 cm. Find radius.

Radius = diameter/2 = 12/2 = 6cm

  • Use the formula for volume of a sphere to find the volume.

Volume of the ball = 4/3 πr³

                              = 4/3 × 3.14 × (6)³

                              = 904.32 cm³ ≈ 900 cm³ (nearest hundredth)

4 0
4 years ago
HELP!!!!! Find the number of solutions of the equation 5t2 + 3t − 7 = 0 by using the discriminant.
Charra [1.4K]

Answer:

Below in BOLD.

Step-by-step explanation:

1.  The discriminant D = b^2 - 4ac

= 3^2 - 4*5*(-7)

= 9 + 140

= 149.

Positive value so it has 2 real solutions.

2. D = (-12)^2 - 4 * 9 * 4

= 144 - 144

= 0.

So it has one real solution.

3.  D =  2^2 - 4*1*3

= -8.

It is negative so there are No real solutions.

4.  D = 4^2 - 4*2*10 = 16 - 80 = -64.

No solutions.

5. D = (-12)^2 - 4*3*(12)

= 144 - 144 = 0

So its the second choice.

3 0
3 years ago
Find the perimeter of a rectangle that has a dimensions of 3 2/5 feet by 5 1/4 feet.
Elena L [17]

Answer:

16.58

Step-by-step explanation:

First you have to convert 3 2/5 into a decimal (3.04) than you have to add that number by itself (3.04 + 3.04) which equals 6.08 Second you Convert 5 1/4 into a decimal (5.25) Than again you add that number by itself (5.25 + 5.25) which equals 10.5 you would than take 6.08 and 10.5 and add those together to get 16.58

4 0
3 years ago
Write the fraction of 12/15 in its simple form​
Ugo [173]

Answer:

4/5

Step-by-step explanation:

To get the answer, find the GCF (greatest common factor) of the numerator and the denominator. Once you have the GCF, divide the 12 and 15 by that number. Here, the GCF is 3.

4 0
3 years ago
Read 2 more answers
Anu is a photographer and was recently hired to photograph a wedding in Hawaii. While there, Anu had some time to
andriy [413]

ANSWER: 480 out of 1200 were taken at the Honolulu Zoo.

5 0
2 years ago
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