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Veronika [31]
2 years ago
7

1. Which graph represents a proportional relationship?

Mathematics
1 answer:
amm18122 years ago
5 0
I need more info i don’t see any graph
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Multiply each polynomial <br><br> (x + 5)(x+4)<br><br> teach me step by step
lara [203]

Answer: x^2 + 9x + 20

Step-by-step explanation:

Foil Method: (a + b) (c + d) = ac + ad + bc + bd

Lets say:

a = x

b = 5

c = x

d = 4

Plugging in the numbers: xx + 4x + 5x + 5*4

Combine like terms:

xx = x^2

4x + 5x = 9x

5 * 4 = 20

You're then left with: x^2 + 9x + 20

6 0
3 years ago
What are the solutions to the quadratic equation below?<br> 4x^2 + 28x + 49 = 5
bezimeni [28]

Answer:

C

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Ms. Hernández is taking her children and their friends to the movies. She will pay $10 for her adult ticket and $7 for each chil
stiv31 [10]
(40-10)/7

The maximum amount of money she wants to spend is $40
Her adult ticket costs $10
She will pay for the children’s tickets with the remaining money
Each child’s ticket costs $7
To find the number of children she can take we need to use this expression (40-10)/7
Mrs Herñàndez can take 4 children
8 0
2 years ago
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Find the length of the third side of the right triangle
Maurinko [17]

Answer:

9

Step-by-step explanation:

        2       2

b + 8   = 17

b + 16 = 34

34 - 16 = 18

18 ÷ 2 = 9

4 0
3 years ago
Read 2 more answers
There is a 50% chance a coin lands on heads and a 50% chance the coin lands on tails what is the probability that the coin lands
Olegator [25]

Since the probability of the coin landing leads is 1/2, simply cube 1/2 to arrive at your answer: 1/8.


You cube 1/2 because you must land heads three times in a row and each flip is independent from other flips.


4 0
3 years ago
Read 2 more answers
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