2x+y=25. 3y=2x-13 solve by elimination

Answers

Answer 1

what are you trying to find X or Y ?

Related Questions

Suppose you work for a large coffee distributor that has a secret coffee blend it sells to local stores. You mix the Mexican Shade Grown blend with the Rift Valley blend, but always in the same proportion. Yesterday, you mixed 80 pounds of the Mexican Shade Grown blend with 24 pounds of the Rift Valley blend. Today, there is 60 pounds of the Mexican Shade Grown coffee left in stock. How many pounds of the Rift Valley coffee should you mix with it to get your secret blend?

Answers

60 is 3/4 of 80. Multiply 24 x 3/4 and voila you have your answer, my friend.

It's 18 pounds of Rift Valley.

Final answer:

To get the secret blend, you should mix 18 pounds of the Rift Valley coffee with the 60 pounds of Mexican Shade Grown coffee.

Explanation:

To find out how many pounds of the Rift Valley blend you should mix with the 60 pounds of Mexican Shade Grown coffee, we need to set up a proportion based on the ratio of the two blends. The ratio of the Mexican Shade Grown blend to the Rift Valley blend is 80:24, which can be simplified to 10:3. We can then set up the proportion: 10/3 = 60/x. By cross-multiplying, we get 10x = 180. Dividing both sides by 10, we find that x = 18. Therefore, you should mix 18 pounds of the Rift Valley coffee with the 60 pounds of Mexican Shade Grown coffee to get your secret blend.

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What is 2.828427125 to the nearest thousandth?

Answers

2.83 I believe because 8 rounded to nearest is 2+1

Jim has received scores of 72 72 and 77 77 on his first two 100 point tests. what score must he get on his third 100 point test to keep an average of 79 79 or greater?

Answers

77+72=149
149/2=74.5
through the process of elimination, I found that Jim needs to get an 88 or higher to receive an average of 79 or greater.

77+72+88=237
237/3=79

REALLY NEED HELP PLEASE!!
The Smith family rented a recreational vehicle for a seven-day vacation. The cost to rent the recreational vehicle was $560 plus $0.50 per mile. How many miles were driven if the total cost was $1350?

Answers

what is 1350-560?
Its 790

$560 + $0.50(x) = $1350
$0.50(x) = $1350 - $560
x = $790/$0.50
x = 1,580 miles

Please help.

The graph of the function f(x)=|x+3| is translated 5 units down.

What is the equation of the transformed function?

Enter your answer in the box.

g(x)= _________

Answers

g(x)=|x+3|-5
down five units means add -5 to then end of the equation

Keywords

transformed function, translation, rule

In this problem we have

[tex]f(x)=|x+3|[/tex]

we know that

If the translation is [tex]5[/tex] units down

then

the rule of the translation is equal to

[tex](x,y)-------> (x,y-5)[/tex]

therefore

the answer is

the equation of the transformed function is equal to

[tex]g(x)=|x+3|-5[/tex]

see the attached figure to better understand the problem

Given that ΔJKL ≅ ΔUVW and ΔUVW ≅ ΔABC, complete the following statements. Triangle JKL is congruent to triangle ABCBCACBA. Side LK corresponds to sides UV and ABVU and BCWV and CB. Angle JLK corresponds to angles UVW and ABCUWV and ACBWUV and CAB

Answers

I believe the answers you're looking for are as follows:

Triangle JKL is congruent to triangle ABC.
Side LK corresponds to sides WV and CB.
Angle JLK corresponds to angles UWV and ACB.

For ΔJKL ≅ ΔUVW and ΔUVW ≅ ΔABC, we conclude congruence JKL ≅ ABC, LK corresponds to UV and AB, and JLK corresponds to UVW and ABC.

The given information implies that triangle JKL is congruent to triangle ABC, and side LK corresponds to sides UV and AB. Angle JLK corresponds to angles UVW and ABC.

Therefore, the statements can be completed as follows:

Triangle JKL is congruent to triangle ABC.

Side LK corresponds to sides UV and AB.

Angle JLK corresponds to angles UVW and ABC.

Therefore, these statements reflect the congruence relationships established through the given information.

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One theme from "The Yellow Wallpaper" is that women played a lesser role in marriage during the 19th century. Which line from the passage best supports this theme?

Answers

Plz put the passage and I can figure this one out easily! I'm good at these kind of things

Answer: Answer is A for apex ; ` And I know John would think it absurd. But I MUST say what I feel and think in some way - it is such a relief! ´

Step-by-step explanation:

HELP PLEASE

Which of the following graphs is not a function

Answers

a simple rule to tell whether a graph is a function is to pretend to cut it vertically, if any cut intercept the graph twice, it is not a function. otherwise, it is.
In this case, the heart is not a function, because if you cut it up-down direction, your imaginary knife will touch the edge of the heart twice.
I hope this explanation helps.

Which line segment is parallel to plane FGKJ?

Answers

not enough information. where's the graph or the image to see where line FGKJ is placed?

The cost of a ticket to ride a roller coaster at the fair is $2. there are n people in a group who want to go on the ride. write an expression that describes the total amount of money the group will need to ride this roller coaster.

Answers

n # of people times $2 per ticket

n(2)

If A = James's present age, write an expression for his age seven years from now.

Answers

Answer:

A + 7

Step-by-step explanation:

Given,

James's present age be = A

So,

After seven years from now will be +7

Therefore,

James age, seven years after his present age is,

= (A) + (7)

= A + 7

Hence, the required expression is: A + 7 (Ans)

Hello there, I hope you are having a nice day.

We are given that James's present age is A years.

If James's present age is a years, then in 7 years his age will be

A+7

Which means that whatever A is, it will be 7 more in 7 years.

Hence, the expression is A+7 (Answer)

Hope it helps.

~An emotional teen who helps others and listens to her favourite song "How Far I'll Go"

-Grace ;-)

Good luck with your studies.

Write a function rule: 7 more than the quotient of a number n and 4 is 9
pls help!!!

Answers

a little late but i know an awesome math app you just take a clearly written question and take a picture of it and it will solve it. its called photo math. and its not a site, its an app, that could potentially help this student gosh a d m i n s

How do I solve this?

Answers

I’m assuming what you’re asking here is how to *factor* this expression. For that, let’s rearrange the expression into a more familiar form:

-c^2-4c+21

From here, we’ll factor out a -1 so that we have:

-(c^2+4c-21)

Let’s focus on the quadratic expression inside the parentheses. To find our factors (c + x)(c + y), we’ll need to find two terms x and y that multiply together to make -21 and add together to make 4. It turns out that the numbers -3 and 7 work out perfectly for that purpose (-3 x 7 = -21 and 7 + (-3) = 4), so substituting them in for x and y, we have:

(c + (-3))(c + 7)
(c - 3)(c + 7)

And adding back on the negative from a few steps earlier:

-(c - 3)(c + 7)

A grocery store sells crackers in three box sizes. Which size box is the best buy? 8 oz for $2.00 12 oz for $2.64 16 oz for $3.20

Answers

Hello, schrklar a way to do this is divide the oz by the number, $ 2.00 / 8 = 0.25
$ 2.64 / 12 = 0.22 and $ 3.20 / 16 = 0.2. So the correct answer would be, 8 oz for $2.00.

Answer:

Option C is the correct choice.

Step-by-step explanation:

We have been given that a grocery store sells crackers in three box sizes.

To find the best buy, we will find the cost of per ounce crackers for each box.

[tex]\text{The price per oz for option A}=\frac{\$2}{8\text{ oz}}[/tex]

[tex]\text{The price per oz for option A}=\frac{\$0.25}{\text{ oz}}[/tex]

Therefore, the option A offers $0.25 for per oz of crackers.

[tex]\text{The price per oz for option B}=\frac{\$2.64}{12\text{ oz}}[/tex]

[tex]\text{The price per oz for option B}=\frac{\$0.22}{\text{ oz}}[/tex]

Therefore, the option B offers $0.22 for per oz of crackers.

[tex]\text{The price per oz for option C}=\frac{\$3.20}{16\text{ oz}}[/tex]

[tex]\text{The price per oz for option C}=\frac{\$0.20}{\text{ oz}}[/tex]

Therefore, the option C offers $0.20 for per oz of crackers.

Since the price offered by option C is less than other two options, therefore, option C is the correct choice.

The average rate of change of the function between x = 15 to x = 29 is __________m/s2 and represents the car's acceleration.

Answers

Answer:

sorry guys that other question is absolutely no help at all. The answer is 1.266 m/s squared. I don't know what kind of IDIOT would try and take you to a completely other website.

Step-by-step explanation:

How did geography influence the economy in the Mid-Atlantic/Middle colonies?

A) Different land types allowed colonists to export crops and other goods.
B) The short growing season allowed colonists to grow many types of grains.
C) Poor soils and rocky hills caused colonists to import most of their grains.
D) The many natural resources available drove colonists to focus on agriculture.

Answers

I believe the answer could be A

How did geography influence the economy in the Mid-Atlantic/Middle colonies?

A) Different land types allowed colonists to export crops and other goods.

If 7 times a certain number is added to 12, the result is 47

Answers

So first we want to assign the certain number a variable, let's say x.

So we can write this out as an equation, or:

7x + 12 = 47

Now we can just solve this.

7x + 12 - 12 = 47 - 12

7x = 35

/7 /7

x = 5

So the certain number is 5.

5 beacause 5 times 7 is 35 and 35 plus 12 is 47.

81 1/4 is equal to 2. True or False

Answers

False.
81 1/4 is much greater than 2.

Change the column heading for the row sum column which represents the total of each type of session, to total number of sessions

Answers

gyigiuhouhouhuhuihujhouhouhuohojhojhjjnohuohouhoho

Final answer:

You can change a column heading by clicking it, then right-clicking to select 'Rename Column' and inputting 'Total Number of Sessions'.

Explanation:

To change the column heading for the row sum which represents the total of each type of session to 'Total Number of Sessions', you need to follow these steps:

Firstly, click on the column heading which you want to change. This will usually highlight the entire column.Right-click on the highlighted column heading, and select 'Rename Column' from the drop-down menu.In the text box that appears, type 'Total Number of Sessions' and hit 'Enter'.

This will effectively rename your column heading to represent the total number of sessions accurately.

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annie dome worked from 8:15 am to 11:45 am and from 12:30 pm to 4:15 pm. How many hours did she work? (include steps on how to do this problem)

Answers

THe amount of hours is about 4.5 hope htis helps:)

What is the original price of a telescope the discount is 30% and the sale price is $126?

Answers

The original price would be $420

x = The original price.

[tex]\displaystyle x\cdot \frac{30}{100} = 126 \\\\ \frac{3x}{10}=126\\\\3x=1260\\\\x=420 [/tex]

ABC and CBD form a linear pair and have equal measures. Tell if ABC is acute, right, or obtuse

Answers

to form a linear pair means that when added, they equal 180 degrees.
but if they have equal measures....180/2 = 90...then they would both equal 90 degrees.....and 90 degrees is a right angle.
So ABC and CBD are both right angles

Answer:

Right angle

Step-by-step explanation:

When two lines intersect, a linear pair is formed, two angles being linear pair means the sum of those two angles is 180°.

Now if ∠ABC and ∠CBD for a linear pair,

∴∠ABC + ∠CBD = 180°

also given that ∠ABC and ∠CBD are of equal measure

∴ ∠ABC + ∠ABC = 180°

⇒ ∠ABC = 90° = ∠CBD

∴ ∠ABC is right angle

How do I solve this?

Answers

Hello,

If 3x-1>=0 then

x>=1/3
|3x-1\=3x-1
2*|3x-1|=18
2*(3x-1)=18
6x-2=18
6x=20
x=10/3

else
x<1/3
|3x-1|=-(3x-1)
2*|3x-1|=18
2(-(3x-1))=18
-6x+2=18
-6x=16
x=-8/3
endif

If a set of xy-axes has 20 grid units in each direction and the greatest value the data to be placed on the horizontal axis is 132, what would be the appropriate and convenient scale to use for this axis? Explain

Answers

Given that the xy-axis has 20 grid units in each direction and the greatest value the data to be placed on the horizontal axis is 132, then the appropriate and convenient scale to use for the horizontal axis is 1 to 8.

Thus will make the graph spread adequately across the axis as well provide a good sub-units for the graph (i.e. each grid unit will be divided into 8 equal subunits)

In general, you want the graph to occupy as much room as possible. This makes interpolation of values on the graph easier to perform. And since you have 20 units, the largest possible value would be 132 / 20 = 6.6. However, you also want the units to be easy to handle while counting and 6.6 is rather messy. So you increase to the next larger integer which would be 7. And 7 would work, but it's still rather hard to handle. For instance, what's 13 multiplied by 7? That's not something most people do easily, so you'll want to round up to a power of 2, 5, or 10 for the greatest ease of use. That leaves as reasonable candidates the numbers 8, or 10. So for that axis, there are three choices with advantages and disadvantages. 7 - Gives the largest graph for more detail, but an inconvenient scale to quickly multiply by. 8 - Almost as good as 7 for graph detail, but still a bothersome scale to multiply by. 10 - Not as good in terms of the graph size ( you'll only be using 14 of the 20 divisions). But it is a very convenient size to multiply by. Given the lack of detailed knowledge of the data this graph needs to display, I'd recommend using 10 units per division on the graph.

3 out of 5 picks are orange.If 12 picks are orange,how many picks are there in all?

Answers

20. The ratio would be 3:5, and to get to 12 oranges, you multiply the 3 by 4. You must do the same thing on the other side, and you get 20 picked in all.

a deck of 28 cards contains 6 blue cards, 13 red cards and, 9 yellow cards what is the probability of randomly drawing a blue card from this deck?
Answer choices:
1/6
1/3
11/14
3/14

Answers

the answer is the 4th option bc you divide 6/28 by 2 and it gives the answer 3/14

what is the value for X?
- 24
-9
-21
-14
what is the measure of <1?
- 45
- 60
- 120
-125

Answers

X=21 and the mesure of one would be 120 to check if its correct multiply 5 by 21 then add it to 15 and that would be the answer for what 1 is you can also check of its 21 by multiplying 3 by 21 and subtracting 3 then adding both to get 180 which is the normal measurements of the line. hope this helps somehow

∠A and ∠B are vertical angles with m∠A=x and m∠B=4x−30 . What is m∠A ? Enter your answer in the box.

Answers

First off, if they’re vertical angles, they have to be congruent. So set the equation up as x=4x-30. Then solve and get the answer of x=10. Therefore your angle measure is 10 degrees

Answer:

[tex] x = 4x -30[/tex]

We can solve for x subtracting x on both sides:

[tex] x-x= 4x-x-30[/tex]

And then we can add 30 in both sides:

[tex] 30= 3x[/tex]

And dividing both sides by 3 we got:

[tex] x = 10[/tex]

Step-by-step explanation:

For this case we know the measure of two angles:

[tex]m <A = x[/tex]

[tex] m<B = 4x-30[/tex]

And we know that both angles are vertical and by definition vertical angles are the angles opposite each other when two lines cross.

For this case since both angles are vertical we have the property that:

[tex] m<A = m<B [/tex]

And replacing what we got we have:

[tex] x = 4x -30[/tex]

We can solve for x subtracting x on both sides:

[tex] x-x= 4x-x-30[/tex]

And then we can add 30 in both sides:

[tex] 30= 3x[/tex]

And dividing both sides by 3 we got:

[tex] x = 10[/tex]

A student measures a rectangular room to be 20.0 m * 17.16m. which of the numbers below represents the room's area with the correct number of significant figures

Answers

The area of the rectangle is calculated through the equation,
A = L x W

in which A is the area, L is the length, and W is the width. Substituting the known values to the equation,
A = (20.0 m)(17.16 m) = 343.2 m²

Since, the least number of significant figures in the multiplier is 3, our answer ought to be in 3 significant figures. The answer to this item is therefore 343 m².

Can someone explain to me what a consistent-dependent system is?

Answers

the consistent system is compose of the dependent and independent solution so when you are talking about consistent you are talking about the dependent solution which is when it the same line inconsistent is when they intercept inconsistent is when they are parallel

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