3 years ago

What is the equation of this line?

Mathematics

1 answer:

yuradex [85]3 years ago

8 0

Answer

y= -7

Because when x= 1, y= -7, when x= 2, y=-7. So it will always be y=-7 for how long x extends

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I need help with number one and thank you for your help

sveta [45]

Answer: B

Step-by-step explanation: The first X was 1. If you add 1 too the 1/2 in the equation, its 1 & 1/2. theres only one graph that has 1 & 1/2, and its B

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3 years ago

Lucy spends 4 hours a week babysitting. Her sister Lily spends seven eighths as much time babysitting. Does Lily babysit for mor

olganol [36]

Answer:

Lily babysit for less than 4 hours.

Step-by-step explanation:

Given:

Lucy spends in a week babysitting for 4 hours.

Lily spends seven-eighths of 4 hours.

Now, to find whether Lily babysit for more than 4 hours or less than that.

Number of hours Lucy babysit = 4 hours.

So, to get the hours Lily babysit:

$\frac{7}{8}\ of\ 4\ hours.$

$=\frac{7}{8}\times 4\\\\=\frac{28}{8} \\\\$

On simplifying we get:

$=\frac{7}{2} \\\\=3\frac{1}{2}\ hours.$

Thus, Lily spends $3\frac{1}{2}\ hours$ for babysitting which is less than 4 hours.

Therefore, Lily babysit for less than 4 hours.

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3 years ago

If it takes Maddox 7.5 hours to drive 375 miles, how far could he drive in 3 hours at the same rate?

stealth61 [152]

Answer:

150 miles

Step-by-step explanation:

375 divided by 7.5 is 50

50 time 3 is 150

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2 years ago

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Which answer represents the series in sigma notation?

NemiM [27]

Answer:

Step-by-step explanation:

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Use the distributive property to write an expression that is equivalent to 1/2 (8y + (-x) + 12)

melomori [17]

Algebra

$\frac{1}{2} (8y - x + 12) = a$

Divide everything by two, or times everything by 1/2.

$4y - \frac{1}{2} x + 6 = a$

This is as far as you could go due to no like-terms.

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3 years ago