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gladu [14]
2 years ago
8

Which statement describes the mapping?

Mathematics
1 answer:
My name is Ann [436]2 years ago
4 0

Answer:

(-1,1)(0,4)(2,7)(3,7)

Step-by-step explanation:

the arrows point from the x coordinate to the y coordinate in each in pair

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Adena, Julius, and Tia volunteered to read to children at the public library. Julius worked two hours less than Tia. Adena worke
mafiozo [28]

Answer:

28 hours

Step-by-step explanation:

Adena, Julius, and Tia volunteered to read to children at the public library.

Let us represent, the number of hours worked by

Adena = x

Julius = y

Tia = z

Julius worked two hours less than Tia.

y = z - 2

z = y + 2

Adena worked twice as many hours as Julius.

x = 2y

Altogether they worked 58 hours.

x + y + z = 58.... Equation 1

We substitute 2y for x and y + 2 for z in Equation 1

2y + y + y + 2 = 58

4y + 2 = 58

Collect like terms

4y = 58 - 2

4y = 56

y = 56/4

y = 14

We are the find the number of hours Adena worked which is represented by x

Note that:

x = 2y

y = 14, hence,

x = 2 × 14

x = 28 hours

Therefore, the number of hours Adena worked is 28 hours

4 0
2 years ago
(x^2+8x+16)-1-16<br><br> what is the vertex form
Colt1911 [192]

Answer:

Use photo math, it will explain it all in different forms

4 0
2 years ago
Eventhough i solved it i don't understand how to fill the colors
Lisa [10]
"color the piece according to your color chart." Do you have that? If you don't, I wouldn't worry, you still did all the work and got all the answers, so your teacher should be fine with it.
7 0
2 years ago
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Ummmmmmmmmm let me think
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Reducing fraction and performing basic operation on fractions​
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The answer is 5/3 can I have the some points
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