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2 years ago

11

Sal is participating in a charity walk. The distance Sal walks, in kilometers, is proportional to the number of hours he spends

walking.
Which statements are true about the distance Sal walks?

Select each correct answer.

1 answer:

vredina [299]2 years ago

5 0

the attachment is not clear dude...

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The graph shows a reflection in the x-axis. The matrix M such that, for any point (x, y), M(x, y) = (x', y') is

Rashid [163]

Answer:

This is a reflection about the x-axis.

Step-by-step explanation:

A reflection about the x-axis has the rule

[x,y]-> [x,-y].

Therefore

M[x,y] = [x,-y}

Let M=

|a b|

|c d|

Then the matrix multiplication gives

ax+by=x.............(1)

cx+dy=-y............(2)

Solving the previous equations (1) and (2) gives

a=1, b=0

c=0, d=-1

giving M as

|1 0|

|0 -1|

4 0

3 years ago

3z2 - 2z + 8 <br> -<br> (10z2 +7z - 12)

klemol [59]

Answer: 7z²-9z+20

Step-by-step explanation:

PEMDAS - Please Excuse My Dear Aunt Sally - Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

4 0

3 years ago

Plz help me to find the empty spaces in these:)

Reil [10]

Answer:

#2: y-intercept=-2

Bottom left graph: Slope:4/2

y-intercept:-2

Equation: y=4/2x-2

Bottom right graph: Slope:-2

y-intercept:8

Equation: y=-2x+8

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3 years ago

What’s the range of this?

lbvjy [14]

Answer:

10 to 35

Step-by-step explanation:

3 0

3 years ago

Combine these unlike fractions, then simplify. 3/8+1/6 explain plz

larisa86 [58]

Answer: 13/24

Step-by-step explanation:

3/8 + 1/6 = 9/24 + 4/24

9 + 4/24 = 13/24

Decimal Form = 0.541667

Hope this helps! #BaconSquad

4 0

3 years ago