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sweet [91]
3 years ago
11

The mapping below represents all of the points on the graph of functionf.

Mathematics
1 answer:
Rom4ik [11]3 years ago
3 0

Answer:

\{-4, -1, 0, 2, 7\}

Step-by-step explanation:

The domain of the function is the set of all possible inputs for the function. Therefore, the set of all possible inputs is \{-4, -1, 0, 2, 7\}.

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There are 2.54 centimeters in 1 inch. There are 100 centimeters in 1 meter.
Alika [10]

Answer:

5 meters

Step-by-step explanation:

If in 1 inch have 2.54 centimeters, in 197 inches will have:

197×2.54 = 500.38 centimeters

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3 0
3 years ago
Help me with this pls anyone
podryga [215]

Answer:

B

Step-by-step explanation:

x^2=3x-2(subtract 3x and add 2) x^2-3x+2=0(group) (x-1)(x-2)=0(find x) x=1;x=2

find y values for x values and check:

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2^2=4, pair 2:(2,4);  3(2)-2=6-2=4, same pair

pairs: (1,1);(2,4)

5 0
3 years ago
A geometry class has a total of 27 students. The number of females is 13 less than the number of males. How many males and how m
boyakko [2]

Answer:

20 males and 7 females

Step-by-step explanation:

Let's say the number of females is x and the number of males is y.

We know that the total number of students is 27, which can also be written as x + y. So, these two expressions are equal: x + y = 27.

There are 13 fewer females than males, so: x = y - 13.

Now, we can use substitution to solve this system of linear equations.

Since x = y - 13, we can plug in y - 13 for x in x + y = 27:

x + y = 27 ⇒ (y - 13) + y = 27 ⇒ 2y - 13 = 27 ⇒ 2y = 40 ⇒ y = 20

Then, we use this value of y to solve for x:

x = y - 13 = 20 - 13 = 7

Thus, there are 20 males and 7 females.

Hope this helps!

6 0
3 years ago
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ASHA 777 [7]

Answer:

30 girls

Step-by-step explanation:

10 x 2= 20

15x2=30

For every 10 boys there are 15 girls. since 20 is just 10 multiplied by 2 you can multiply 15 by 2

7 0
3 years ago
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