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OLEGan [10]
2 years ago
6

Simplify each expression 9(5x)

Mathematics
2 answers:
Zinaida [17]2 years ago
7 0

Answer:

9(5x) \\  \\  = 45x

# be care #

Tatiana [17]2 years ago
6 0

Answer:

45x

Step-by-step explanation:

Just expand and coolect to get 9x5=45 and add x

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3 years ago
Help! I must choose 2 to Match the graph to the equivalent standard form and intercept form.( please view the both images ) im g
allochka39001 [22]

Answer:

Step-by-step explanation:

It is the 2nd one and 4th one. The x intercepts are -1 and -3, so the factors are x + 3 and x + 1. The 4th choice is the actual equation and the 2nd is the factors

4 0
2 years ago
A line passes through the point (-2,2) and is parallel to the line of y=1/2(x-5/2) l. What is the equation of the line passing t
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C is your answer. 

It contains the proper points and form. A is not in point-slope form and B has the incorrect slope. 
3 0
3 years ago
The quadratic function y = –10x2 + 160x – 430 models a store’s daily profit (y) for selling a T-shirt priced at x dollars. What
asambeis [7]

Answer:

x = 4 or x = 12

Step-by-step explanation:

Given:

y = -10x² + 160x - 430

When y = $50

50 = -10x² + 160x - 430

50 + 430 = -10x² + 160x

480 = -10x² + 160x

-10x² + 160x - 480 = 0

Divide through by -10

x² - 16x + 48 = 0

Solve the quadratic equation using factorization method

+48 = -12 × -4

-16 = -12 -4

Therefore,

-12 and -4 are both factors

x² - 16x + 48 = 0

(x - 4 )(x - 12 ) = 0

x - 4 = 0

x = 4

OR

x - 12 = 0

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6 0
3 years ago
PLEASE SHOW FULL SOLUTIONS!!! WILL MARK BRAINLIEST FOR BEST ANSWER!!
Lubov Fominskaja [6]

Answer:

  • The first option: $265.05

Step-by-step explanation:

<h3>Option 1</h3>

<u>Payment as sequence:</u>

  • 11.75, 12.10, 12.45, ...

<u>This is an AP with:</u>

  • The first term a = 11.75
  • Common difference d = 0.35
  • Number of terms n = 18

<u>Find the sum of the first 18 terms:</u>

  • S₁₈ = (a + a₁₈)*18/2 = (a + a + 17d)*9 = (11.75*2 + 17*0.35)*9  = $265.05
<h3>Option 2</h3>

Flat rate $14.50 per hour

<u>The sum is:</u>

  • $14.50*18 = $261.00

<u>Compared, we see the first option pays more:</u>

  • $265.05 > $261.00
5 0
2 years ago
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