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aksik [14]
3 years ago
14

Can someone please help

Mathematics
2 answers:
tatuchka [14]3 years ago
8 0

Answer:

( -1 , 0.5)

Step-by-step explanation:

Mila [183]3 years ago
8 0
Vrvrvrrvvrvrvrvrvrvrvrvrvr
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Question
Marta_Voda [28]

The equation that shows the profit earned for selling popcorn for x hours is y = $15m - $20

From the equation of the linear function given y = mx + b

y indicates the profit earned and x represents the time in hours.

From the question,

After 3 hours, the popcorn stand earned a profit of $25.

∴ The equation becomes $25 = 3m + b ------ (1)

and after 6 hours, the profit was $70.

∴ The equation becomes $70 = 6m + b ------- (2)

Now, we will solve the two equations simultaneously

From the first equation

$25 = 3m + b

We can write that

b = $25 - 3m ------- (3)

Substitute this into the second equation

$70 = 6m + b

We get

$70 = 6m + ($25 - 3m)

$70 = 6m + $25 - 3m

$70 - $25 = 6m - 3m

$45 = 3m

∴ m = $45 ÷ 3

m = $15

Now, substitute the value of m into equation (3)

b = $25 - 3m

b = $25 - 3($15)

b = $25 - $45

b = -$20

∴ m = $15 and b = -$20

Putting these values into the equation y = mx + b we get

y = $15m +(- $20)

∴ y = $15m - $20

Hence, the equation that shows the profit earned for selling popcorn for x hours is y = $15m - $20

Learn more here: brainly.com/question/19511111

5 0
2 years ago
4th grade work help my brotherrr please!!
exis [7]
4 x 20 and that is 160
3 0
2 years ago
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A helicopter takes off from the ground 800 feet from the base of a building. It flies in a straight line directly to the top of
Xelga [282]
The helicopter took off from the angle of 11°.

7 0
3 years ago
Read 2 more answers
translate the sentence into an equation. the product of 8 and a number increased by 4 is 60.a. 8y 4 = 60b. 4y 8 = 56c. 8 ÷ y 4 =
krok68 [10]
Hello,

"T<span>he product of 8 and a number increased by 4" may be understood by 2 ways:
1) it is the number which is increased
2) it is the product which is increased.

1) 8*(y+4) =8y+32

2) (8y)+4=8y+4

Seeing answers
:answer A: 8y+4

</span>
6 0
3 years ago
If candies are sold at 3 pcs for php.2.00.how many candies can melai get if she has php20.00?​
Marrrta [24]
If you’re saying that 3 pieces costs 2.00 then the answer is 30. 2x10 is the $20.00 so 3x10 = 30 she can buy
8 0
2 years ago
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