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galben [10]
3 years ago
7

Which equation represents a line that passes through (2, –0.5) and has a slope of 3?

Mathematics
1 answer:
viva [34]3 years ago
6 0

Answer:

y + 0.5 = 3(x - 2).

Step-by-step explanation:

We use the point-slope form of the equation which is y - y1 = m(x - x1).

Here m = 3 , x1 = 2 and y1 = -0.5, so the equation is:

y - (-0.5) = 3(x - 2)

y + 0.5 = 3(x - 2).

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<span>a clocks minute and hour hand make a straight line 22 times a day</span>

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3 years ago
© Solve the simultaneous equations<br> -3x + y= – 8<br> 3x + 2y = – 13<br> X =?<br> y =?
DENIUS [597]

Answer:

x=1/3

y=-7

Step-by-step explanation:

using the elimination method, you can add both equations vertically, to eliminate the x

-3x+y=-8

3x+2y=-13

3y=-21

y=-7

we then fix the value of y into the first equation

-3x+y=-8

-3x-7=-8

-3x=-8+7

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5 0
3 years ago
For a sale, a store decreases its prices on all items by 25%. An item that costs $120 before the sale now costs $120 - 0,25($120
Alexxandr [17]

Answer:

Cost = \$120 * 1 - \$120 * 0.25

Step-by-step explanation:

Given

Cost = \$120 - 0.25(\$120)

Required

Solve using distributive property

Cost = \$120 - 0.25(\$120)

\$120 can be rewritten as 1(\$120)

So:

Cost = 1(\$120) - 0.25(\$120)

Factorize:

Cost = \$120(1 - 0.25)

Now, we can apply distributive property on the expression;

Cost = \$120 * 1 - \$120 * 0.25

Hence, the above is an equivalent expression.

Solving further, we have

Cost = \$120 - \$30

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3 0
3 years ago
A 2-cup bottle of hair gel costs $23.20. What is the price per fluid ounce?<br> $_______
iren2701 [21]

Answer:

11.6

Step-by-step explanation:

Divide the 23.20 by 2 to get 11.6 per fluid. So the answer is $11.6.

Hope this helped you out!!!

4 0
3 years ago
Read 2 more answers
a restaurant waiter earns a weekly base pay of $100, and an average tip of $5 for each table served. In a five-day work week, ho
sasho [114]
A weekly pay (five-day work week) is $100.
The average tip is $5.
The waiter wants to make at least $450 in a five-day work week. 
So we have to find out how many times the waiter must serve.
So, first we do $450 - $100 since the waiter already makes $100.
$450 - $100 = $350
Then the waiter gets an average of $5 tips.
So, we do $350 / $5.
$350 / $5 = 70
Our answer is 70.
So, the waiter must serve 70 tables to make at least $450.

Hope this helps you! (:
-PsychoChicken4040
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3 years ago
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