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svet-max [94.6K]
3 years ago
5

Evaluate each expression

Mathematics
1 answer:
aliina [53]3 years ago
5 0
I’m only in 7 grade I don’t know how to do it
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The two lines y=2/5x+9 and y= -2/5x-9 are: <br> a) parallel <br> b) perpendicular <br> c)neither
irakobra [83]

Answer:

neither

Step-by-step explanation:

parallel lines have the same slope and different y-intercept

perpendicular lines have the reciprocal as slopes( 2/5 and 5/2)

as these slopes have neither the answer in NEITHER

8 0
3 years ago
PLZ HELP AND HURRY!!!!
yuradex [85]

Answer: x=30, Good Luck!

Step-by-step explanation:

45/27 = 1.6666666...

1.66666...(18) = 30

8 0
2 years ago
H(t)=(t+3)^2+5
sineoko [7]

Answer:

Option C. −4≤t≤−3

Step-by-step explanation:

we have

H(t)=(t+3)^2+5

This is the equation of a vertical parabola written in vertex form

The parabola open upward (the leading coefficient is positive)

The vertex is a minimum

The vertex is the point (-3,5)

The function is increasing in the interval [-3,∞)

The function is decreasing in the interval (-∞,-3]

The function will have a negative average rate when the function will be decreasing

therefore

the answer is option C

7 0
3 years ago
write an equation of a line in the slope intercept form when the slope is 2 and the y intercept is -3
Digiron [165]

Answer:

y=2x-3

Step-by-step explanation:

y=mx+b where m=slope and b=y-intercept

y=2x-3

3 0
3 years ago
He difference of 29 and n
almond37 [142]

Answer:

28

Step-by-step explanation:

n can be represented as 1.

29 - 1 = 28

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3 0
2 years ago
Read 2 more answers
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