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alexandr1967 [171]
4 years ago
6

I need help please it’s due today I forgot how to do this :(

Mathematics
1 answer:
choli [55]4 years ago
8 0

Answer:

Samantha payed 12.71$ for her purchase.

Step-by-step explanation:

I may have misunderstood the question, but it looks like you can use a calculator for this!

6.19 + 2.85 + 2.29 + 1.38 =

12.71

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Tom earns $3.25 per hour at the car wash plus $1.50 for each car he washes. If he wishes to earn at least $100 on a busy weekend
sp2606 [1]

Answer:

41, I did simple math

5 0
3 years ago
Karim is painting a design on a cylindrical
galina1969 [7]
8$$$ is the answer because of the barrel
8 0
2 years ago
You can buy a ten pound bag of apples for 12.70 express this situation in as a ratio
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What does it want a unit rate? or?

7 0
4 years ago
Find the point P on the line yequals=33x that is closest to the point (60 comma 0 )(60,0). What is the least distance between P
scoray [572]

Answer:

18\sqrt{10}$ units

Step-by-step explanation:

We are given the equation of the line y=3x and a point, say Q(60,0) outside of that line.

We want to find the point on the line y=3x which is closest to Q.

Let P(x,y) be the desired point. Since it is on the line y=3x, it must satisfy the line.

If x=a, y=3a, so the point P has the coordinates (a,3a).

Distance between point Q and P

=\sqrt{(60-a)^2+(0-3a)^2}\\D =\sqrt{10a^2-120a+3600}

To minimize D, we find its derivative

\dfrac{dD}{da}=\dfrac{10a-60}{\sqrt{10a^2-120a+3600} }\\$Setting \dfrac{dD}{da}=0\\10a-60=0\\10a=60\\a=6

Therefore, the y-coordinate for P is 3*6=18.

The point P=(6,18).

Next, we calculate the distance between P(6,18) and (60,0).

D =\sqrt{10(6)^2-120(6)+3600}\\=\sqrt{3240}\\=18\sqrt{10}$ units

8 0
4 years ago
Translate 2 3 y − 9 < y + 1 into a sentence. Nine than two-thirds of number is less than the number .
vovangra [49]

Answer:

The given inequality is

\frac{2y}{3}  - 9 < y + 1

Let y be a Real number such that 9 less than two third of that number is less than  one added to that number.

We can find solution of the inequality also

1. keeping variable on one side and constant on another side, which gives

→y - \frac{2y}{3} > -9 -1

→\frac{y}{3} > -10\\\\y> -30



6 0
4 years ago
Read 2 more answers
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