Please help with this please how all work

Answers

Answer 1

Answer: Because the math is the same on all of these problems, I will only give a complete explanation for the first problem.

2. To line these numbers up from greatest to smallest, we must first convert all of the values to decimals. We can do this by completing the fractions, or just dividing the numerator by the denominator.

1 $(1)/(4)$ = $(5)/(4)$ = 1.25

1 $(1)/(10)$ = $(11)/(10)$ = 1.1

Now, we have our four decimals: 1.16, 1.25, 1.37, and 1.1

When we organize them by order of greatest to least, it looks like this:

1.37, 1.25, 1.16, 1.1

And when the fractions are put back in their rightful spots, it will be

1.37, 1 $(1)/(4)$ , 1.16, 1 $(1)/(10)$

3. For this one, we have the numbers $(5)/(8)$ , 0.5, $(2)/(5)$ , and 0.78.

Let's convert our fractions:

$(5)/(8)$ = 0.625

$(2)/(5)$ = 0.4

Now, we can organize:

0.78, 0.625, 0.5, and 0.4.

Putting our fractions back in, we end up with this:

0.78, $(5)/(8)$ , 0.5, and $(2)/(5)$ .

4. Here, we're organizing from smallest to largest, so we need to be aware of this when solving.

Convert the fractions:

$(1)/(2)$ = 0.5

$(2)/(3)$ = 0.6...

Now, we can organize from smallest to greatest:

0.39, 0.5, 0.6, 0.66...

Putting our fractions back in...

0.39, $(1)/(2)$ , 0.6, $(2)/(3)$ .

5. Let's convert our fractions:

7 $(1)/(4)$ = $(29)/(4)$ = 7.25

7 $(3)/(4)$ = $(31)/(4)$ = 7.75

Now, we can organize from smallest to greatest:

7.25, 7.4, 7.75, 7.77

Putting our fractions back in, it looks like this:

7 $(1)/(4)$ , 7.4, 7 $(3)/(4)$ , 7.77.

6. For these next two, we're back to greatest to smallest. Just to keep in mind.

To convert our fractions...

$(3)/(10)$ = 0.3

$(3)/(5)$ = 0.6

To organize:

0.222, 0.3, 0.53, 0.6

With our fractions,

0.222, $(3)/(10)$ , 0.53, $(3)/(5)$ .

7. Back to our fractions.

3 $(1)/(5)$ = $(16)/(5)$ = 3.2

3 $(1)/(4)$ = $(13)/(4)$ = 3.25

To organize:

2.96, 3.2, 3.25, 3.48

Putting our fractions back,

2.96, 3 $(1)/(5)$ , 3 $(1)/(4)$ , 3.48.

8. Just looking at these, we can remember that the fraction $(1)/(5)$ translates to the decimal 0.2, and we have one judge giving an 8.2, and one judge giving an 8 $(1)/(5)$ . These scores are identical so these two judges had the closest result.

And there you have it for your answers.
Hope that helped! =)

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At a sale, Salazar bought 4 T-shirts and 3 pairs of jeans for $181. At the same store, Jenna bought 1 T-shirt and 2 pairs of jeans for $94. The T-shirts were all the same price, and the jeans were all the same price. Write a system of equations that can be used to represent this situation

Answers

4t + 3j = 181 and t + 2j = 94 represents the system of equations that can be used to represent this situation

Solution:

Let "t" be the cost of each t - shirt

Let "j" be the cost of each pair of jean

At a sale, Salazar bought 4 T-shirts and 3 pairs of jeans for $181

Therefore, we can frame a equation as:

4 T-shirts x cost of each t - shirt + 3 pairs of jeans x cost of each pair of jean = 181

$4 * t + 3 * j = 181\n\n4t + 3j = 181 --------- eqn 1$

At the same store, Jenna bought 1 T-shirt and 2 pairs of jeans for $94

Therefore, we can frame a equation as:

1 T-shirts x cost of each t - shirt + 2 pairs of jeans x cost of each pair of jean = 94

$1 * t + 2 * j = 94\n\nt + 2j = 94 --------- eqn 2$

Thus eqn 1 and eqn 2 represents the system of equations that can be used to represent this situation

A train leaves the station at 9:00 pm traveling east at 36 miles per hour. A second train leaves the station at 10:00 pm traveling west at 42 miles per hour. At what time will both trains have traveled the same distance?

Answers

x - hours that passed after 10 pm

(x+1) 36 = x * 42 | / 6
(x+1)6 = 7x
6x+6 = 7x |-6x
x=6

They will travel same distance at 4 am.

They will travel same distance at 4 am.

Word problem to represent 0.90

Answers

Ashley went to 7-11 to get a snack.. when she was there she bought 3 brownies. each brownie cost $0.30. how much money did she spend?

i know its simple but you just said a word problem

in the given figure , if PQ ll SR and QP l PS , then the value of a and b respectively will be

Answers

$b=90-37=53\n a=180-90-53=37$

hilda has a jar of change with only quarters and pennies then quartets. the total value of her coins is $3.47. find the number of quarters and the numbers of pennies.

Answers

Thirteen Quaters because that equals $3.25 and twenty-two pennies because $3.25+ $0.22 = $3.47

Answer:

are you sure?

Step-by-step explanation:

Y = 2x -7
x + 2y = 1

Answers

easy
y=2x-7
sub 2x-7 for every y you se inother equation
x+2(2x-7)=1
x+4x-14=1
5x-14=1
add 14 both sides
5x=15
divide 5
x=3

sub back

y=2x-7
y=2(3)-7
y=6-7
y=-1

(3,-1) is solution

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