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2 years ago

Write the equations for the graphs below (worth 5 points)

Mathematics

2 answers:

serg [7]2 years ago

3 0

Answers:

10) y= 1/2x - 2
11) y= 2x + 3
12) y= 2/3x - 4

I found this by using y=mx+ b

brilliants [131]2 years ago

3 0

Umm the 3rd one pick to see if right then hall at me

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The concrete company pours 8 sections of sidewalk each of which is 2 5/6 feet long. What is the length of the entire sidewalk th

Simora [160]

Answer: 22 2/3 feet

Step-by-step explanation:

From the question, a concrete company pours 8 sections of sidewalk each of which is 2 5/6 feet long. The length of the entire sidewalk that the concrete company pours will be calculated by multiplying 8 by 2 5/6 feet. This will be:

= 8 × 2 5/6

= 8 × 17/6

= 136/6

= 22 2/3 feet

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2 years ago

Simplify the quadratic term by squaring the (x+1) term.

tensa zangetsu [6.8K]

Answer:

y = -2x^2 -4x +1

Step-by-step explanation:

y-3 = -2 (x+1)^2

Foil (x+1)^2

(x+1)(x+1) = x^2 +x+x+1 = x^2 +2x+1

Substitute this back in

y-3 = -2(x^2 +2x+1)

Distribute

y-3 = -2x^2 -4x -2

Add 3 to each side

y-3+3 = -2x^2 -4x -2+3

y = -2x^2 -4x +1

6 0

2 years ago

Shen made this solid out of clay.

dangina [55]

378 cm is the volume hope this helped

3 0

2 years ago

Read 2 more answers

Given the expression 12 over 12 to the third power.

4vir4ik [10]

Part 1:
Before we begin, you need to remember the following rule:
$\frac{x^a}{x^b} = x^{a-b}$

The given expression is:
$\frac{12}{12^3}$

Since the base is the same in both numerator and denominator, we can apply the above rule. This means that:
$\frac{12}{12^3}$ = 12¹⁻³ = 12⁻²

Part 2:
Before we begin, you need to remember the following rule:
x⁻ᵃ = $\frac{1}{x^a}$

Now, from part 1, we simplified the expression into 12⁻²
Since the power is negative, we can apply the above rule.
This means that:
12⁻² = $\frac{1}{(12)^2} = \frac{1}{12*12} = \frac{1}{144}$

Hope this helps :)

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3 years ago

Read 2 more answers

Write an expression that represents the height of a tree that begins at 10 feet and increases by 3 feet per year. Let t represen

mestny [16]

t represents number of years
initial height=10ft
Increases per year=3ft

Expression:-

$\\ \sf\longmapsto 10+3t$

3 0

2 years ago

Write the equations for the graphs below (worth 5 points) ​

Write the equations for the graphs below (worth 5 points)