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scZoUnD [109]
2 years ago
14

Need Help ASAP u can see my test timer

Mathematics
1 answer:
ad-work [718]2 years ago
5 0
It would be the second one if you follow PEMDAS
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The slope of the equation in the picture
asambeis [7]
Y - 3 = 0
y = 3

learn this : (it really does help)
HOY -- horizontal line, 0 slope, represented by y = a number.
VUX -- vertical line, undefined slope, represented by x = a number.

so if u have y = 3....this is a horizontal line with a 0 slope <==

** if it would have been x = 3, then u would have had a vertical line with an undefined slope
4 0
3 years ago
Read 2 more answers
If a man is driving at a rate of 50 km per hour, how many kilometers will he travel in 30 minutes? A. 25 km B. 30 km C. 150 km D
hoa [83]

Answer:

A. 25 km

Step-by-step explanation:

1 hour = 60 minutes

30 minutes is a half of an hour, therefore

50 / 2 = 25

7 0
2 years ago
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Subtract (5y3 + 6y + 3y4) from (4y4 - 8y3).
creativ13 [48]

Answer:

a

Step-by-step explanation:

8 0
2 years ago
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Bernardo is saving up money to pay off a debt. His father loaned him $90 and is charging him $1 interest each day. Bernardo earn
mojhsa [17]

Answer:

It will take 10 days

Step-by-step explanation:

Here, we want to know the number of days it will take for Bernardo to clear the debt he owes his father.

We proceed as follows;

Let the number of days be x

So after x days, there will be an interest of x * 1 = $90

So the amount of money he owes his father after x days will be $(90 + x)

After x days, the amount he would have earned from mowing lawns will be x * 20 = $20x

He intend using half of this to clear the loan

Half of this is 20x/2 = $10x

We know that this amount is enough to clear the loan, so we equate this value to the amount he wants to use to clear the loan

So;

90 + x = 10x

90 = 10x - x

9x = 90

x = 90/9

x = 10

3 0
2 years ago
A circle's radius is increased by 10%. By what percentage does its area increase
Vladimir79 [104]
Answer: 21%

Explanation: Let the radius of the circle =R therefore area of the circle = [pi][R * R]
Radius of the circle after 10% increase =R+10% of R=R+R/10=11R/10
Therefore AREA of the circle with radius 11R/10 =[pi][11R/10*11R/10]=[pi][121R*R/100] Hence INCREASE in the AREA of the circle=[pi][121R*R/100]-[pi][R*R] =[pi] [R*R][121/100-1] =[pi][R*R][121-100]/100=[pi][R*R][21]/100 THEREFORE % increase in the area of the circle=[pi][R*R][21/100]/[pi][R*R] whole multiplied by 100=21 HENCE increase in the area of the circle =21% NOTE : pi is a constant whose value=22/7
4 0
3 years ago
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