Solve the system of equations and choose the correct answer from the list of options.
d + e = 15
-d + e = -5
Label the ordered pair as (d, e).
O (0, 0)
O (10,-5)
O (5, 10)
O (10,5)

Answers

Answer 1

9514 1404 393

Answer:

  d.  (10, 5)

Step-by-step explanation:

Add the two equations, and you get ...

  2e = 10

  e = 5

Solve the first one for d and you have ...

  d = 15 -e

  d = 15 -5 = 10

So, the solution is ...

  (d, e) = (10, 5) . . . . . matches the last choice

_____

Check

  d + e = 10 + 5 = 15

  -d + e = -10 +5 = -5


Related Questions

∆CDE is first translated 5 units right, and then upward into ∆C'D'E'.
Which translation transforms ∆CDE into ∆C'D'E'?
(xy)–(x+5y-3)
(xy)–(x+5y-3)
(xy)-(x+3y-5)
(x,y)-(x-3y+5)​
pls i need help

Answers

Answer:

(x, y) -> (x+5, y+3)

Step-by-step explanation:

Last month you spent ​$30 on clothing. This month you spent 150​% of what you spent last month. Set up a proportion to model this situation. How much did you spend this​ month?
You spent ​$*blank* this month.

Answers

Answer: i believe it’s $45

Step-by-step explanation:

PLSSSSSS HELPPPPPP MEEEEE
A.)10
B.)2
C.)5
D.)1/2

Answers

Answer:

C.....................

which one is true
-1.5>-0.5
-1/2>0
-2.5 1.5

Answers

The first two aren’t true, I can’t see the sign for the third one but since the other two aren’t correct I’d assume the right answer is the third choice.

Answer:

A

Step-by-step explanation:

A local supermarket has sodas on sale this week. If you buy fewer than three packs of soda, then each pack costs $3.99. If you buy 3 or more packs of soda, then each pack is $2.50. Which function represents this sale? Question 7 options:

Answers

Answer:

$5.95 is the answer I think

Select the correct answer. Which statement is necessarily true if is an altitude to the hypotenuse of right ? A. ≅ B. C. D. ∠BAC ≅ ∠BDC

Answers

Answer:

I took this test twice and got it wrong both times, the INCORRECT answers that I choose where A and D. So the correct answer has to be B or C.

Step-by-step explanation:

Please like and rate my answer if this was helpful to you! :)

This is the true statement  ΔADB≅ΔBDC

What are congruent triangles?

Two triangles are said to be congruent if their corresponding sides and angles are equal.

In Δ ADB,

∠D = 90°

∠B = 90°/2 = 45°

∠A = 180° - 90° - 45° = 45°

So ΔADB is 90-45-45 triangle.

In ΔBDC,

∠ ? = 90°   This is supplementary to Angle D.

∠ B = 90°/2 = 45°

∠ C = 180° - 90° - 45° = 45°

So, ΔBDC is also a 90-45-45 triangle.

Hence,  ΔADB≅ΔBDC

learn more about of congruent triangles

https://brainly.com/question/4364353

#SPJ5

The question seems to be incomplete, the correct question would be :

Which statement is necessarily true if BD is an altitude to the hypotenuse of right ΔABC?

A.) ΔADB≅ΔBDC

B.) ΔADB~ΔBDC

C.) ABBC=ACBD

D.) ∠BAC≅∠BDC"

Write the number of points of intersection of each pair of coplanar lines.

Answers

Answer:

answer is below

Step-by-step explanation:

a. 0

b. 1

c. all

2p-1
make p the subject​

Answers

Answer:

2p-1/p

Step-by-step explanation:

2p-1=0
2p=1
P=1/2
I think it has to be true

*PICTURE INCLUDED* *GET 15 POINTS IF YOU ANSWER* You usually buy a 5.4 ounce bottle of lotion. There is a new bottle that says it gives you 20%
more free.
Use the drop-down menus to build an equation that could be used to find the size of the larger bottle,

Answers

So you’re going to take your original value and multiply it by .2, and add this to 5.4. The shortcut to this is using 1.2, so 5.4 x 1.2 = 6.48.

(Help me with this one and I will gave you 13 points!)
Erin opened a savings account with $50. She deposited $35.50 into the account every month until she had a total of $653.50. Which equation could be used to find m, the number of months she made deposits into the account?
653.5=50+35.5m
653.5+50=35.5m
653.5=50−35.5m
653.5÷50=35.5m

Answers

Answer:

The first answer choice(653.5=50+35.5m)

Step-by-step explanation:

Since she deposited 35.5 each month, that would be variable m, and there was already 50 in her account, making it a constant number 50.

Answer:

653.5 / 50 = 35.5

Step-by-step explanation:

You have to divide 653.5 by 50 to get the amount of months she made deposits into her account.

y 3x + 8
(3,17) is the ordered pair a solution ? Please show work

Answers

Answer:

yes

Step-by-step explanation:

y = 3(3) + 8

y = 9 + 8

y = 17

Answer:

Yes, (3, 17) is a solution.

Step-by-step explanation:

In an ordered pair the first variable is x, and the second is y (x, y), so we can take the x and y of the given point and put it into our equation.

y=3x+8

we replace y with our given y (17)

and our x with our given x (3)

17=3(3)+8

now solve

17=9+8

17=17

Both sides are equal so yes, (3, 17) is a solution.

Hope this helps! If you have any questions on how I got my answer feel free to ask. Stay safe!

Verizon Plan A is $40 + $12 per gigabyte. Verizon Plan B is $30 + $14 per
gigabyte. How many gigabytes would be needed to make the two plans equal?

Answers

Step-by-step explanation:

let no of gigabyte be x GB.

40 + 12x = 30 + 14x

10 = 2x

x = 5

therefore, 5 GB

Topic: algebraic eqn

If you like to venture further, do check out my insta (learntionary) where I constantly post math tips! Thanks!

Please help me!! please

Answers

Answer:

10

Step-by-step explanation:

What is the value of y?



Enter your answer in the box.

y =

Answers

Answer:

hi daisy can we be maths buddies helping each other with math

Divide 5 1/7 ÷ 2 2/5 answer in simplest form​

Answers

Answer:

15/7

Step-by-step explanation:

5 1/7 = 36/7

2 2/5 = 12/5

36/7 divided by 12/5 = (Keep, Change, Flip) 36/7 * 5/12

180/84 reduces to 15/7

Answer: 2 1/7___________________________Simplify the expression.Exact Form:15/7Decimal Form:2.¯¯¯¯¯¯¯¯¯¯¯¯142857Mixed Number Form:2 1/7___________________________

Hope this helped!

Also can I please have Brainliest??

Identify the solution and graph of the given inequality.
34 > 3(2 − x)

Answers

Answer:

Solving the inequality we get x>-9.33

The graph is shown in figure attached.

Step-by-step explanation:

We need to solve the inequality: [tex]34 > 3(2-x)[/tex]

Solving:

[tex]34 > 3(2-x)\\[/tex]

Switching the sides , reversing the inequality and  Multiply 3 with terms inside the bracket

[tex]3(2-x)<34\\6-3x<34[/tex]

Subtract 6 from both sides

[tex]6-3x-6<34-6\\-3x<28[/tex]

Divide both sides by -3 and inequality will be reversed

[tex]\frac{-3x}{-3} >\frac{-28}{3} \\x>\frac{-28}{3}\\x>-9.33[/tex]

Solving the inequality we get x>-9.33

The graph is shown in figure attached.

Analyze the shape of the data and describe it in detail. Use mathematical
reasoning to justify your response. (2 points)

Answers

Answer:

The data is skewed right and it increases at ages 6-8 and progresses.

Step-by-step explanation:

Answer:

The histogram is skewed left meaning that the median will be more than the mean of the data. As the study goes onward in terms of age, more and more children are studied to play at least an hour a week of video games. Barley any children below the age of 5 play video games for at least an hour a week, but once they hit the age of 6, more and more kids are playing video games. Kids aged fifteen to seventeen have the most amount of kids that do play at least an hour of video games per week. In a graph, this may show a J-shaped curve that starts low, then has a large increase to eventually level off and begin gradually getting larger as the ages increase.

Step-by-step explanation:

This is what I said, change wording

how do i find the value of x in x+7=2

Answers

Answer:

x+7=2

minus 7 from both sides so you get:

x=2-7

simplify

x=-5

Step-by-step explanation:

roots of x3 + 2x2 – 16x– 32

Answers

Answer:

0

Step-by-step explanation:

Solve t-(-5) = 9.
t =
Justify the step used to solve the equation.
Add 5 to each side.
Add 9 to each side.
O Subtract 5 from each side.
O Subtract 9 from each side.

Answers

Step-by-step explanation:

-5 will mutiply t to give 5t = 9

then divide both sides by 5

t = 9/5

Make a sketch of a linear relationship with slope 3 that is not a proportional relationship show how you know hay slope is 3 write an equation for the line

Answers

Answer:

A proportional relationship is something like:

y = k*x

Where k is the constant of proportionality

And a linear relationship is something like:

y = a*x + b

Is easy to see that if:

a = k, and b = 0, this would be a proportional relationship.

Then if we want to have a slope equal to 3, but this must not be a proportional relationship, we must only have b different than 0.

This could be something like:

y = 3*x + 1

The graph of this is:

A linear non - proportional relationship could be written with as a slope - intercept with a non - zero intercept value. One such relationship with a slope of 3 can be expressed thus :

y = 3x + 5

Here, the linear relationship, has a slope value of 3 and an intercept value of 5. The function cannot be proportional due to the presence of a non-zero constant

Hence, Using a graphing calculator, the sketch of the linear relationship is attached.

Learn more : https://brainly.com/question/18405415

A concert hall is having a special. If a group of five pays $6.75 each for tickets, each person can get a
snack for $4.25. Use the expression 5(6.75 +4.25) to find the total cost for 5 friends

Answers

Answer:55 dollars

Step-by-step explanation:

5(6.75+4.25)

5(11)

55 dollars

Choose the lengths that are possible to make a triangle that already has sides lengths of 4 and 10.

A.6,7,8,9,10,11,12,13,14
B.7,8,9,10,11,12,13,14
C.7,8,9,10,11,12,13
D.5,6,7,8,9,10,11,12,13

Answers

Answer:

C. 7,8,9,10,11,12,13

Step-by-step explanation:

I finish it from Schoology.

Suppose you got these results from a survey that was taken to determine the percentage of people in a nearby city who visited a food pantry last month. (2 points)

People who visited the food pantry last month
(%) x
(#) 100
Total amount of people
in the city
(%) 150
(#) 1,000

Calculate the percentage of people who visited the food pantry last month. Be sure to show your work.

1,000 is the number of people in the city 150 is the number of people who visited the food pantry last month. what % is 150 out of 1,000. Pleas show all of your work.

Answers

Answer:

15%

Step-by-step explanation:

percentage= number of people who visited the the pantry/ the total number of people in the city *100

percentage = 150/1000 * 100

percentage= 15%

ILL MARK U BRAINLIEST!!

Answers

Answer:

plz give brainliest <3

Step-by-step explanation:

Answer:

a. Mirabeau B. Lamar

b. Sam Huston

c. Sam Huston

d. Sam Huston

what is 6667x2228 divided by 34394u9 and subtracted by 343 and then divided again by 2 and then subtract 333 and then multiply 439483what is 6667x2228 divided by 34394u9 and subtracted by 343 and then divided again by 2 and then subtract 333 and then multiply 439483what is 6667x2228 divided by 34394u9 and subtracted by 343 and then divided again by 2 and then subtract 333 and then multiply 439483what is 6667x2228 divided by 34394u9 and subtracted by 343 and then divided again by 2 and then subtract 333 and then multiply 439483what is 6667x2228 divided by 34394u9 and subtracted by 343 and then divided again by 2 and then subtract 333 and then multiply 439483

Answers

Answer:

it 6

Step-by-step explanation:

Answer:

I got 39061188.8

Question is: Solve 3y-6=39

Answers

Answer:

y=15

Step-by-step explanation:

first, add 6 to each side. the equation is now 3y=45

simply divide 45 by 3 to get

y=15

Answer:

y=15

Step-by-step explanation:

3y-6=39

add six to the other side

3y=45

divide 45 by 3

y=15

The populations P (in thousands) of a certain city from 2000 through 2007 can be modeled by P = 1674.7e^kt, where t represents the year, with t = 0 corresponding to 2000. In 2006, the population of the city was about 1,920,000. Find the Value of K

Answers

Answer:

k = 0.02278

Step-by-step explanation:

Given that:

The population P = 1674.7e^kt

where;

t  represents the year,

if year 2000 represents t = 0

Then, the year 2007 represents = 7; &

year 2006 represents = 6

In 2006, population recorded in the city was about 1,920 thousand

Therefore;

[tex]1920 = 1674.7e^{(k\times 6)[/tex]

Taking the logarithm of both sides, we get:

[tex]\mathtt{ In}(1920) = \mathtt{ In} ( 1674.7)+ 6k[/tex]

7.560080465= 7.423389324 + 6k

7.560080465 -  7.423389324 = 6k

0.136691141 = 6k

k = 0.136691141/6

k ≅ 0.02278

10) The line FG is a diameter of the circle with centre C (6, 1). Given F is (2.-3), find the coordinates of G.​

Answers

Answer:

Coordinates of the endpoint g is (10,5)

Step-by-step explanation:

The coordinates of a midpoint can be found using the formula;

(x,y) = (x1 + x2)/2 , (y1 + y2)/2

In this case, we have the mid point but we want to get the end point

Thus;

(6,1) = (x1 + 2)/2 , (y1-3)/2

x1 + 2 = 2(6)

x1 + 2 = 12

x1 = 12-2

x1 = 10

y1 - 3 = 2(1)

y1 -3 = 2

y1 = 2 + 3

y1 = 5

The coordinates of G are (10,5)

Help me please be correct tysm <3

Answers

Answer:

the answer is yes  

because it is within the shaded region of both inequalities

the answer is yes! hope this helps <3.
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