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Reika [66]
2 years ago
11

A boy saves 80p a day, How much does it take him to save $40

Mathematics
1 answer:
laiz [17]2 years ago
8 0

Answer:

50 Days

Step-by-step explanation:

I'm not sure what the unit "p" is, but I believe it is pennies so. $40/0.80 gives you 50 which is the amount of days it would take for you to get to $40 if you receive 80 cents a day

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PLEASE HELP!!
beks73 [17]
<span>Let x = the width
:
It says,"The length of a rectangle is 4 less than 3 times the width." write that as:
L = 3x - 4
:
If the perimeter is 40, find the dimensions of the rectangle.
:
We know: 2L + 2W = 40
:
Substitute (3x-4) for L and x for W
2(3x-4) + 2x = 40
:
6x - 8 + 2x = 40; Multiplied what's inside the brackets
:
6x + 2x = 40 + 8; do some basic algebra to find x; (added 8 to both sides)

:
8x = 48
:
x = 48/8
:
x = 6 which is the width
:
It said that L = 3x - 4, therefore:
L = 3(6) - 4
L = 18 - 4
L = 14; is the length
:
Check our solutions in the perimeter:
2(14) + 2(6) =
28 + 12 = 40</span>
8 0
2 years ago
Read 2 more answers
Can someone help me with this?
bulgar [2K]

Answer:

I thinks its C , but im sorry if its wrong.

Step-by-step explanation:

6 0
2 years ago
What is 4 ( 2x + 5) - 2x
sashaice [31]

Answer:

(8x + 20)-2x

Step-by-step explanation:

We don't know what x is, so we use the Distributive Property to do 4 x 2x, then 4x5. We put parentheses around it, and then do - 2x

7 0
3 years ago
What is the y intercept of y=9x-11
svetlana [45]

Answer:

-11

Step-by-step explanation:

To find the y-intercept, simply look at the constant at the end of this equation. Let's look at the linear function equation. The equation is y=mx+b. In this case, the constant is b. The constant always is the non-x term, so for the question, the y-intercept would be -11.

8 0
2 years ago
A bad contains pennies, nickels, dimes, and quarters. There are 50 coins in all. Of the coins, 18% are pennies and 42% are dimes
Marina CMI [18]

Answer:

$2.64

Step-by-step explanation:

9 coins are pennies (reply to my comment if you want to know how I got it)

19 coins are dimes (reply to my comment if you want to know how I got it)

9 (pennies) + 4 = 13 (nickels)

$1.90 (dimes) + $0.09 (pennies) + $0.65 (nickels) = $2.64

5 0
3 years ago
Read 2 more answers
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