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Scorpion4ik [409]
2 years ago
7

CORRECT ANSWERS ONLY! WILL GIVE BRAINLIEST!

Mathematics
1 answer:
IrinaVladis [17]2 years ago
3 0

Answer:

<u>3rd graph (on bottom left)</u>

Step-by-step explanation:

First, find the <u>zeros of the function</u>.

  • f(x) = x² - x - 2
  • f(x) = x² + x - 2x - 2
  • f(x) = x(x + 1) - 2(x + 1)
  • f(x) = (x - 2)(x + 1)

The zeros are :

  1. x - 2 = 0 ⇒ x = 2
  2. x + 1 = 0 ⇒ x = -1

Therefore, the graph of the function intersects the x-axis at :

  • (2,0) and (-1,0)

The correct graph is <u>3rd graph (on bottom left)</u>

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Evaluate without a calculator:
noname [10]

Answer:

240

Step-by-step explanation:

4 x -5 = -20

-20 x -12 = 240

240 is your answer

hope this helps!

4 0
3 years ago
Juanita and Keenan own a camping supply store and just put in an order for flashlights and sleeping bags. The number of flashlig
julsineya [31]

Juanita and Keenan ordered 85 flashlights and 17 sleeping bags.

Step-by-step explanation:

Given,

Cost of each flashlight = $12

Cost of each sleeping bag = $45

Total cost = $1785

Let,

x represent the number of flashlights ordered

y represent the number of sleeping bags ordered

According to given statement;

12x+45y=1785    Eqn 1

x = 5y    Eqn 2

Putting value of x from Eqn 2 in Eqn 1

12(5y)+45y=1785\\60y+45y=1785\\105y=1785\\

Dividing both sides by 105

\frac{105y}{105}=\frac{1785}{105}\\y=17

Putting y=17 in Eqn 1

x=5(17)\\x=85

Juanita and Keenan ordered 85 flashlights and 17 sleeping bags.

Keywords: linear equation, substitution method

Learn more about substitution method at:

  • brainly.com/question/12878495
  • brainly.com/question/12884757

#LearnwithBrainly

8 0
4 years ago
11. The price of a new
Oduvanchick [21]

Answer:

The percentage which was taken off = 75%    

Step-by-step explanation:

  • Initial value = $159.99
  • Final value = $39.99

Using the formula

Percentage Decrease = [ (Initial Value - Final Value) / |Initial Value| ] × 100

                                     = [(159.99 - 39.99) / (159.99)] × 100

                                     = [120 / 159.99] × 100

                                     = 0.75 × 100

                                     = 75%

Therefore, the percentage which was taken off = 75%                                

4 0
3 years ago
Please answer correctly, will mark brainliest
Oxana [17]

Answer:172 for the first picture and for the second picture is 20

Step-by-step explanation:

5 0
4 years ago
A flower bed has the shape of a rectangle 18 feet long and 12 feet wide. What is its area in square yards?
Andru [333]
18x12 = 216 feet
216 feet = 72 Yards
7 0
3 years ago
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