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padilas [110]
2 years ago
7

Solve 5x-8y=19 for y.

Mathematics
2 answers:
Setler [38]2 years ago
7 0

Answer:

-19/8+5x/8

Step-by-step explanation:

OverLord2011 [107]2 years ago
7 0

Answer:

912

Step-by-step explanation:

8x19= 152

152x5= 760

760+152=

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Jasper has 7 more checkers left than Karen does in a game of checkers. Jasper has 9 left. Write and solve and addition equation
hammer [34]

Answer:

Karen has only 2 checkers left

Step-by-step explanation:

Jasper has 7 checkers than Karen

Jasper has 9 checkers

The equation can be written as

7 + k = 9

This means that 7 plus Karen checkers equal 9 which is jasper checkers

It can also be written as

9 - 7 = k

k = 2

Therefore Karen has only 2 checkers left

3 0
3 years ago
Peter, Paul and Mary, whose walking rates are 1 ft/sec, 3 ft/sec and 6 ft/sec, start walking together in the same direction arou
Oksanka [162]

250 seconds because it takes Mary 50 seconds to get around the track (300feet/6ft/sec) and it takes Peter 300 seconds to get around the track (300ft/1ft/sec) so if you subtract the fastest time from the shortest time you get the amount of time that Mary had to wait for Peter to get there, so after 250 sec (300sec-50sec) Peter, Paul, and Mary are reunited.

5 0
3 years ago
Trina ran 2 1/2 miles of Friday, 2 3/4 miles on Saturday and 3 mies on SUnday. The next week she ran the same amount. How far in
vodka [1.7K]

Answer:

16 \frac{1}{2} miles

Step-by-step explanation:

2 \frac{2}{4} + 2 \frac{3}{4} = 4 \frac{5}{4} which equals 4 + 1 \frac{1}{4} or 5 \frac{1}{4}

5 \frac{1}{4} + 3 = 8 \frac{1}{4}

she ran 8 and one-quarter miles in the first week and if she ran the same amount the second week then we can add to get the answer:

8 \frac{1}{4} +  8 \frac{1}{4} = 16 \frac{2}{4} or 16 \frac{1}{2}

5 0
2 years ago
Which of the following ratios is not equivalent to the rest: *
AVprozaik [17]

Answer:

36:56

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
A rectangle's length is 6 inches greater than its width. If the perimeter of the rectangle is 36 inches, find the length.
Tasya [4]

We will have the following:

First, we are given the following expressions for the rectangle's length and width respectively:

l=w+6

&

w=w

Now, we calculate the length and width using the perimeter:

P=2(l+w)\Rightarrow P=2(w+6+w)\Rightarrow P=2(2w+6)\Rightarrow P=4(w+3)

So:

36=4(w+3)\Rightarrow w+3=9\Rightarrow w=6

Then:

l=(6)+6\Rightarrow l=12

So, the measurements of the length and the width are respectively 12 units and 6 units.

3 0
1 year ago
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