(I SCREENSHOT THE WHOLE THING. PLS PLS HELP D: )

Answers

Answer 1

Answer:
This is a little bit weird, but it's not hard if you just
do it one step at a time.

Here's the important part that you need to know
in order to solve this problem:

    All four sides of a square are equal.

Got that ?   Good.
Here we go.

-- First, take the left and right sides.
   They must be equal, so

   2y - 5 = y - 1

Add 5 to each side:    2y   = y + 4

Subtract 'y' from each side:    y = 4 .

The left side is y-1 = 3

The right side is     2y-5 = 2(4) - 5
          = 8 - 5
          =    3 .

Good ! We have the left and right sides equal.
Do we really need to do the other two sides ?
They told us it's a square, so can't we just say
   the top and bottom are also 3 ?
Well, maybe. But maybe they're trying to trick us,
   and the top and bottom aren't really 3 . I think
   we ought to check it out. It's more good math practice.

-- Take the bottom side ... it's 3y-9 .

But you know what 'y' is !
We just calculated that y=4,
so
   3y - 9 = 3(4) - 9 = 12 - 9 = 3 .

Great ! The bottom side is 3 .

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Help please help ghelp
Brendan, Miguel, and Jeron run around the track. They start at the same place and at the same time. They each run at a steady rate. Brendan completes a lap in 4 minutes, Miguel completes a lap in 6 minutes, and Jeron completes a lap in3 minutes. The boys want to know how many minutes it will take after they start running until they complete a lap at the same time. How many minutes will it take Brendan, Miguel, and Jeron first complete a lap at the same time?

Susan has $80. She spends 3/5 of the money on Monday. She spends the remaining money equally over the next 5 days. How much money does she spend on each of the 5 days?

Answers

$6.40
.................................

6.40 EACH DAY FOR 5 DAYS ......

If the trends in this table continue , after how many years y will the population of Manchester , NH be more than the population of Vallejo , CA ? Round your answer to the nearest tenth of a year

Answers

As soon as I read the first line and saw the words "in this table", I knew in my
guts that when I opened the question and saw the whole thing, there would be
no table. So I opened it and, sure enough, my guts were correct again.

Nobody ... including you ... can answer this question without seeing the table.
Maybe that's been your whole problem, and the reason you're having trouble
with it. Sit down, relax, and spend some time with the table.

Table:City: Lakewood, CoPopulation (2004): 141,301Population Change (2003): -830City : Vallejo, CAPopulation (2004): 118,349Population change (from 2003): -1155City: Carrollton, TXPopulation(2004): 117,823Population change (2003): +1170City: ManchesterPopulation (2004): 109,310Population change (from 2003): +261

A problem states: "There are 7 more girls than boys in a class. There are 23 students in the class in all. How many girls are there in the class?"What are the unknowns in this problem?

Answers

There are 15 more girls than boys

David wants to pack 574 cereal bars into bags of 10 and bags of 8 the number of bags of 8 is 2 more than the bags of 10. How many bags of 10 and 8 can david pack the cereal bars into

Answers

Answer: Number of bags of 8. = 33

Number of bags of 10. = 31

Step-by-step explanation:

Let x = Number of bags of 8.

y = Number of bags of 10.

As per given.

$8x+10y= 574$ (i)

$x=y+2$ (ii)

Put value of x from (ii) in (i)

$8(y+2)+10y= 574\n\n\Rightarrow\ 8y+16+10y=574\n\n\Rightarrow\ 18y=574-16\n\n\Rightarrow\ 18y=558\n\n\Rightarrow\ y=(558)/(18)\n\n\Rightarrow\ y=18$

Put this in (i), x= 31+2=33

Hence,

Number of bags of 8. = 33

Number of bags of 10. = 31

All of the following points lie on the graph of y = 2 xexcept _____.(0, 0)
(1, 2)
(2, 4)
(3, 8)

Answers

We have a line;
y=2x
Now , we find out with points belong to this line.
(0,0); it means: x=0 and y=0
y=2*0=0; therefore this point lie on the graph of y=2x.

(1,2); it means: x=1 and y=2.
y=2*1=2; therefore this point lie on the graph of y=2x.

(2,4), it means: x=2 and y=4.
y=2*2=4; therefore this point lie on the graph of y=2x

(3,8), it means: x=3 and y=8.
y=2*3=6≠8. Therefore thispoint doesn´t lie on the graph of y=2x.

Answer: All of the following points lie on the graph of y=2x, excpet (3,8).

Select the equation of the line that passes through the point (2, 6) and is perpendicular to the line x = 4.

Answers

Perpendicular lines have opposite reciprocal slopes.

x = 4 has a slope of undefined since it is a vertical line.

It's undefined because 1/0 = undefined. We can't divide by 0.

The opposite reciprical of 1/0 is -0/1, which equals to 0.

Any line with a slope of 0 is:

y = 0x + b
y = b

This line goes through the point of (2, 6).

Since the equation starts with y = something, we have to use the y-value of the point it goes through. The point is in the form of (x, y).

6 is in the y-value.

The equation of the perpendicular line is y = 6.

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