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Luba_88 [7]
3 years ago
13

Whats the domain and range of

Mathematics
1 answer:
AlekseyPX3 years ago
6 0
The domain of the first one is -3,-1,0,2,7. The range is -7,-3,-1,3,7.
For the second, the domain is -5,-4,0,1,2. The range is -4,2,2,3,4.

Domain is just the x-values
Range is just the y-values
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Emi buys 14 balloons. Three are red, four are white, and the rest are blue. Hat is the ratio of blue balloons to the total numbe
Deffense [45]

Answer:

The ratio of blue balloons to the total number of balloons is 1:2.

Step-by-step explanation:

Given:

Total number of balloons = 14

Number of red balloons = 3

number of white balloons = 4

Number of the blue balloons are the rest remaining.

We need to find the the ratio of blue balloons to the total number of balloons.

Solution:

First we will find the number of blue balloons.

Now we know that;

Number of the blue balloons can be calculated by Total number of balloons minus sum of Number of red balloons and number of white balloons.

framing in equation form we get;

Number of the blue balloons = 14-(3+4) =14 -7 =7

Now to find the ratio of blue balloons to the total number of balloons we will divide Number of the blue balloons from Total number of balloons.

framing in equation form we get;

Ratio = \frac{7}{14} = \frac{7\times1}{7\times2}= \frac{1}{2}

Hence the ratio of blue balloons to the total number of balloons is 1:2.

8 0
4 years ago
Write the equation of a circle givin by (x-3)^2+(y+7)^2=4
Ostrovityanka [42]

Answer:8

Step-by-step explanation:(

x

+

4

)

2

+

(

y

−

7

)

2

=

64

This is the form of a circle. Use this form to determine the center and radius of the circle.

(

x

−

h

)

2

+

(

y

−

k

)

2

=

r

2

Match the values in this circle to those of the standard form. The variable

r

represents the radius of the circle,

h

represents the x-offset from the origin, and

k

represents the y-offset from origin.

r

=

8

h

=

−

4

k

=

7

The center of the circle is found at

(

h

,

k

)

.

Center:

(

−

4

,

7

)

These values represent the important values for graphing and analyzing a circle.

Center:  

(

−

4

,

7

)

Radius:

8

6 0
3 years ago
I need help i'm never good at math :((
Alona [7]

Answer:

The answer is d. (0,-6)

Step-by-step explanation:

4 0
3 years ago
Sean bought 68 3/4 inches of rope . How many 15-inches ropes can he make from it
choli [55]
Length of rope bought by Sean = 68 3/4 inches
                                                   = 275/4 inches
Then
The number of 15 inch rope that can be made by Sean = (275/4)/15
                                                                                         = 275/(4 * 15)
                                                                                         = 275/60
                                                                                         = 4.58
So we can see from the above deduction that Sean can make 4 complete 15 inches ropes and there will be 0.58 inches of rope excess. <span>I hope the procedure and the method of solving is absolutely clear to you. This is the easiest way to get to the solution for such problems.</span>



6 0
3 years ago
Read 2 more answers
Solve for x, rounding to the nearest tenth if necessary.
Natalija [7]

Answer:

99

Step-by-step explanation:

hope this helps

6 0
3 years ago
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