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crimeas [40]
3 years ago
11

Easy math please help

Mathematics
1 answer:
Vaselesa [24]3 years ago
3 0
A and D
Explanation: I did this problem in khan academy
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Which points are reflections of each other across both the y-axis
ser-zykov [4K]

Answer:

Reflect over the y-axis

Step-by-step explanation:

When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is transformed into its opposite (its sign is changed).

Notice that B is 5 horizontal units to the right of the y-axis, and B' is 5 horizontal units to the left of the y-axis.

The reflection of the point (x,y) across

the y-axis is the point (-x,y).

7 0
3 years ago
Evan, Claire, Jaya and Tim are running a 3km relay race.
Kruka [31]

Answer:

Tim needs to finish 59/90

Step-by-step explanation:

Add together what Evan Claire and Jaya ran  

9/10 + 7/9+ 2/3

The common denominator is 90

9/10 (9/9) +7/9 *10/10  + 2/3 *30/30

81/90 + 70/90 + 60/90

211/90

We need 3 km = 3 *90/90 = 270 /90

270/90 - 211/90 = 59/90

5 0
3 years ago
can someone help me out i dont know what the answer is an i suck at this ive already done it once and i dont know how to do this
hoa [83]

Answer:

-3

Step-by-step explanation:

When you have an equation in the form y=mx+b, then the number at the end is the y-intercept.

7 0
2 years ago
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Answer:

Step-by-step explanation:

-7x + 12 + (-8x + 48) = 180

-15x + 60 = 180

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x = -8

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The solution is x = 3/5
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2 years ago
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