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dimulka [17.4K]
3 years ago
9

What is 2/5 plus 3/15

Mathematics
1 answer:
Mandarinka [93]3 years ago
4 0

Answer:9/15

Step-by-step explanation:

You change 2/5 to 6/15 by multiplying each by 3 then adding it to 3/15 to get 9/15.

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What is the equation of the line that is perpendicular to line a and passes through (2,7).
Aleonysh [2.5K]

Answer:

y = x + 5

Step-by-step explanation:

Slope = - 1

Slope of the perpendicular line = 1

Point (2,7)

(b) y-intercept= 7 - (1)(2)

= 5

7 0
2 years ago
√72<br> Plzzzzzzzz help<br> I have 3 more <br> √619<br> √77<br> √89
andriy [413]

Answer:

\sqrt{72} =8.48528\\\sqrt{619} =24.8797\\\sqrt{77} =8.77496\\\sqrt{89} =9.43398

Step-by-step explanation:

hope this helps :)

6 0
2 years ago
Show all work and provide necessary descriptions
masya89 [10]

Let

P=(P_x,P_y),\quad Q=(Q_x,Q_y)

If M is the midpoint, the x and y coordinates of M are the average of the x and y coordinates of P and Q:

M=\left(\dfrac{P_x+Q_x}{2},\ \dfrac{P_y+Q_y}{2}\right)

We can solve this expression for the coordinates of Q:

M_x = \dfrac{P_x+Q_x}{2} \implies Q_x = 2M_x-P_x

M_y = \dfrac{P_y+Q_y}{2} \implies Q_y = 2M_y-P_y

Plug in the values for the coordinates of M and P to get

Q_x = 2M_x-P_x = 2\cdot 5-11 = 10-11=-1

Q_y = 2M_y-P_y = 2\cdot (-2) - (-10) = -4+10=6

5 0
3 years ago
Mark has $18.00. What is the greatest number of days he can rent a bicycle? 2d=18 where d represents the number of days of the r
aksik [14]

Answer:

9

Step-by-step explanation:

9x2 is 18, so he can rent a bike for nine days if the rent is $2

6 0
3 years ago
Along with this one please
Anarel [89]
X=5.2
Hope this was helpful
8 0
3 years ago
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