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Nonamiya [84]
3 years ago
12

Penny has 139 postcards in her collection. Abe has 48 postcards in his collection. Then Abe gives his collection away. He divide

s it equally among Penny and 7 other friends. How many postcards does Penny have now?
Mathematics
1 answer:
erik [133]3 years ago
5 0

Answer:

145

Step-by-step explanation:

Divide 48 by 7 = 6≅. then add 6 to 139. 145

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Bert is planning to open a savings account that earns 1.6% simple interest yearly. He wants to earn exactly $144 in interest aft
Nina [5.8K]

Answer: $ 3,000

Step-by-step explanation:

I = PTR/100

144 = P X 3 X 1.6/100

14400 = 4.8P

14400/4.8 = P

Therefore P = 3000

5 0
4 years ago
Given an equation y=-3x +5, explain the steps for using slope-intercept form to graph this equation.
a_sh-v [17]

Answer:

A.Use the y-intercept to plot the point (0,5). Then, using the y-intercept as a reference point move left 3 units and up 1 unit, and plot a second point.

Step-by-step explanation:

5 is the y intercept, so 0,5 is where you would start and then 3 is the same as 3/1 so you go up 3 over 1.

Hope this helps!

8 0
3 years ago
Solve for x. Round to the nearest tenth if necessary.
Natasha2012 [34]

Answer:

x = 16

Step-by-step explanation:

9/12 = 12/x

9x = 144

x = 16

7 0
3 years ago
Read 2 more answers
4+3(2r+2s)+3r<br><br> Simplify this expression
Ipatiy [6.2K]
Hello!

First you can distribute the 3

4 + 6r + 6s + 3r

Then you combine like terms

4 + 9r + 6s

The answer is 9r + 6s + 4

Hope this helps!
3 0
3 years ago
It is not the right answer please solve it again
Jobisdone [24]
Ok then what is the right answer
3 0
4 years ago
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