Mathematics High School

HELP ME GUYS PLEASE!!! :)

Answers

Answer 1

Answer:

(10,-2)

Step-by-step explanation:

You can see that the first equation has already given as x-isolated equation aka x = 10.

With this, you can substitute x = 10 in the second equation 3x+5y = 20 then solve for y.

3(10)+5y=20

30+5y=20

Subtract both sides by 30.

5y=-10

Divide both sides by 5.

y=-2

So from x = 10 and y = -2, we can write as (10,-2) in coordinate form.

Answer 2

Answer:

(10,-2)

Step-by-step explanation:

since they already give u x, u can just sub it into the other equation

3(10)+5y=20

30+5y=20

5y=20-30

5y=-10

y=-2

Related Questions

8 is 16% of (blank) please help (:

Answers

Answer:

Step-by-step explanation:

8% of 100 is 8 now divide 100 by 2 since it is 16% and it is 8

what is 1/4+3/8+1/2+5/8+3/4+7/8+1+1 1/4

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Answer:

5.625 which is 5 5/8.

Step-by-step explanation:

Calculate the measure of the arc PQ.

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Answer:

arc PQ = 124°

Step-by-step explanation:

The inscribed angle PRQ is half the measure of its intercepted arc PQ, so

arc PQ = 2 × 62° = 124°

Answer:

124°

Step-by-step explanation:

Inscribed angle PRQ is half the measure of intercepted arc PQ.

1/2(PQ) = 62°

PQ = 124° . . . . . . multiply by 2

It takes Steve 13 minutes to get to work every morning. Steve spends 48% of the time stuck in traffic on the drive. How many minutes does Steve spend stuck in traffic?

Answers

Answer:

6.24

Step-by-step explanation:

13 * .48

If EF = 2x + 5 and FG = x + 9, what is EF?

Answers

Answer:

2- × 5

Step-by-step explanation:

Solve using elimination 5x+7y=9
2x-3y=-37

Answers

Answer:

x = -8

y = 7

Step-by-step explanation:

5x + 7y = 9

2x - 3y = -37

1.) First, multiply each side to match either y-values or x-values. (In this example, we'll use match x-values)

10x + 14y = 18 (multiplied by 2)

10x - 15y = -185 (multiplied by 5)

2.) Then, subtract the entirety of one equation to isolate the y-value.

10x + 14y = 18

-10x + 15y = 185

3.) Add and subtract values and divide to find y.

29y = 203

y = 7

4.) Plug-in y to solve for x into one equation, or repeat steps 1-3.

15x + 21y = 27

14x - 21y = -259

29x = -232

x = -8

Given that f(x) = x² + 5x, evaluate f(-2).If g(x)=2x + 1, find g(a + h)- g(a).

Answers

[tex]\\ \sf\longmapsto f(x)=x^2+5x[/tex]

[tex]\\ \sf\longmapsto f(-2)=(-2)^2+5(-2)[/tex]

[tex]\\ \sf\longmapsto f(-2)=4-10[/tex]

[tex]\\ \sf\longmapsto f(-2)=-6[/tex]

.#2

[tex]\\ \sf\longmapsto g(x)=2x+1[/tex]

[tex]\\ \sf\longmapsto g(a)=2a+1[/tex]

[tex]\\ \sf\longmapsto g(a+h)=2(a+h)+1[/tex]

.Now

[tex]\\ \sf\longmapsto g(a+h)-g(a)[/tex]

[tex]\\ \sf\longmapsto 2(a+h)+1-2a-1[/tex]

[tex]\\ \sf\longmapsto 2a+2h+1-2a-1[/tex]

[tex]\\ \sf\longmapsto 2h[/tex]

Find the surface area of the prism.
6.5 ft.
6 ft
8 ft.
5 ft
The surface area is
square feet.

Answers

Answer:

the BIG B (big base) is 2(5*6)*½ which is 30.

the bottom is 8*5 which is 40.

the sides are 8*6.5 which is 52 TIMES TWO becuase there is another WHICH IS 104.

30+40+104=174 SQUARE FEET

please help i dont want to fail final exam
Determine the linear equation modeled by the graph.

Answers

Answer:

liner equation

Step-by-step explanation:

do nothing

HELP- I NEED LOTS OF HELP

Answers

Answer:

|279|

Step-by-step explanation:

so when ur doing absolute value you js need distance so lets work with the problem, if ur 279 feet below water u would need to get to zero feet below sea level (ground lvl) to do so how many feet towards ground lvl would u go? (279 clearly) so the distance from how many feet under u are to the ground lvl is ur absolute value.

Tbh in school they over complicate it if u need an absolute number from a negative number like -279 (as it is in the problem) you would js make it a positive (if its positive 279 u js say the absolute value is 279)

(also the absolute value is the distance between the number and zero so yh u can put that)

Which situation is NOT a linear function?
A. A video subscription service which charges $7.99 a month
B. A factory worker that gets paid $19 an hour
C. A $350,000 house that depreciates 4% per year
D. A gym membership that charges $7 when joining, and $12 a month

Answers

Answer:

Step-by-step explanation:

If you take 4% away from 350,000, it equals 336000. Divide this number by 350000, and you get 96%, which makes sense. But, if you take 4% away from 336000, it equals 322560. If you take 322560 divided by 350000, it equals 92.16%. This proves it is not linear, because if it was linear, the ending percentage would be exactly 92% since you took away 4% twice.

Hey ya'll I need help on this question

Answers

Answer:

285.2

Step-by-step explanation:

2852.1/10 = 285.21

but rounded to the nearest tenth is 285.2

Answer:

285.2

Step-by-step explanation:

After we divide 2852.1 by 10 we get 285.21. Rounding it to the nearest tenth it would be 285.2.

Which of the following is statement is TRUE about mixed numbers?
A. A whole number and an improper fraction.
B. A whole number and a mixed forms.
C. A whole number and a proper fraction.
D. A whole number, remainder and similar fraction

Answers

The answer should be C. Examples of mixed numbers: 1 2/3; 3 6/7; 2 12/18. Hope this helps. Note: If I’m right can I have brainliest ?

pleaseeee help??????

Answers

A is the associative property of addition

Which table represents a linear function?

Answers

Answer:

it's the last one in the lower right corner.

Which is a better deal: A can of 3 tennis balls for $3 or a box of 10 balls for $9?

Answers

Answer:

a box of 10 balls for $9?

Step-by-step explanation:

because u buy 10 tennis balls for 9 dollars and the first one is not true

becuase u buy 3 balls of tennis with 3 dollars and the last answer is right

becuase you buy 10 balls for 9 that means its 1 dollar less for 10 balls

hope it helps

if p =5 q =3 find the value of 9p2²- 5q²

Answers

Answer:

Answer is in the attached file.

The ratio of green balloons to blue balloons is 6 to 9 if there are 1620 blue balloons how many green balloons are there

Answers

We know that the ratio is 6:9 green to blue balloons. We can divide 1620 by 9. This gives us 180. Next, we multiply 6 * 180. This gives us 1080.

There are 1,080 green balloons.

the system of equations are y=-2x=3 and y=x is graphed what is the soultions to the system of equations

Answers

Answer:

y=1

Step-by-step explanation:

Answer:

x=-1, y=-1

Step-by-step explanation:

Because -2x-3 and x are both equal to y, we set them equal to each other and solve for x:

-2x-3=x

-3=3x

-1=x

x=-1

So, because y=x, then y=-1 as well

let f(x)=5x+5 find f(-1)

I need your help with this. please help me

Answers

[tex]f(x) = 5x+5\\\\f(-1) = 5(-1) +5 = -5+5=0[/tex]

63 divided by 16,128 plss help it’s due wensday!!!!

Answers

Answer:

256 , or 0.00390625

Step-by-step explanation:

..................................

Answers

Answer: 35 dots

Step-by-step explanation:

Emma and her 3 friends were thirsty so she shared 1/2 gallon of lemonade equally among 4 people. How much did each purdon get

1/8
1/4
1/2
4

Answers

Answer:

1/4

Step-by-step explanation:

its kinda hard to

explain

30% of the parks have a pool. If there are 9 parks with pools, how many parks are there altogether?

Answers

Answer:

30 parks

Step-by-step explanation:

9÷0.3=30 parks

What is the range of this graph?

Answers

Answer:

I think the answer is (-3,1)

(-3,1] is the correct one

Evaluate: 100−20.2×4.5.
i need this for imagen math

Answers

Answer:

359.1

Step-by-step explanation:

100 - 20.2 is 79.8

79.8 x 4.5 is 359.1

therefore it is 359.1

Michaels test scores for this semester were 83,80,91,74,66,99,87,72,95,98. What was the median of his scores

Answers

Answer:

Step-by-step explanation:

Write the numbers in order

66, 72, 74, 80, 83, 87, 91, 95, 98, 99

Find the middle number

83 and 87 are in the middle, so find the mean of them. 83+87= 170

170/2 = 85.

Answer:

I added a little extra in case! Mark me brainleast

Step-by-step explanation:

Mean 84.5

Median 85

Mode 83, 80, 91, 74, 66, 99, 87, 72, 95, 98.

Range 33

Minimum 66

Maximum 99

Please help me with this

Answers

Answer:

y = 2x

Step-by-step explanation:

A direct proportion follows the equation:

y = kx,'where k is the slope.

We see in the graph the points (0, 0) and (1, 2).

The slope is (2 - 0)/(1 - 0) = 2/1 = 2

The formula is y = 2x.

Answer: y = 2x

Answer:

y=2x

Step-by-step explanation:

When using slope intercept find the slope using either the graph or points on the line and that get you the 2 that in front of x.

the formula means that 2 units of dough are prepared in every hour

y=-4(5)x for x=2 Evaluate the problem

Answers

Answer:

y = - 100

Step-by-step explanation:

Assuming you mean

y = - 4[tex](5)^{x}[/tex] ← substitute x = 2

y = - 4[tex](5)^{2}[/tex] = - 4 × 25 = - 100

Find the solution set for 15 + 6y > 0, y ∈ . Represent the solution set on the number
line.

Answers

Step-by-step explanation:

6y>0-15 collect like term

6y=-15 calculate the difference

y=-15/6 convert to lowest form

y=-5/2

i hop it helps you ❤

Other Questions

]Jane, a 22 year old, single Caucasian college freshman, had been in the emergency room for a reaction to alcohol. She had a blood alcohol level of .30 and was almost comatose. They were able to stabilize her in the ER. She had been binge drinking (over 4 drinks per night) for the last 2 weeks. She was admitted to the hospital for observation and stayed in the hospital for the next few days. When the alcohol was out of her system, she admitted to the counselor that she had been "hearing voices" belittling her for the last six months. She had been feeling people were talking about her on TV and on the radio and felt her professors and her roomate were conspiring against her. She stated she had felt this way for the past 7 months. She had become more and more socially isolated because of her mistrust of others and her grades had dropped. Jane said she started drinking to "drown out the voices" so she could sleep. She wanted the counselor to get the professors and her roomate to stop bothering her. According to Jane, her main problem was about the other people who were bothering her(professors and roomate) and she had just been drinking to help herself sleep and block out the "voices".Jane had a great aunt who had been involuntarily hospitalized for an "emotional disorder". One of her siblings had Schizotypal traits and was considered a little unusual by others. She (Jane)had been an above average student in high school and in college until she began hearing voices and then she became a D student and was missing class frequently. Prior to this she had no mental health history but she had a history of being chronically suspicious and mistrustful of others that did not impair her overall functioning significantly. This had limited her friendships to a few that didn't last very long. She was intelligent and an A- average student in high school. Her physical health was affected by severe chronic asthma since age 3.You should summarize the relevant historical information in the following format (Cut and paste into a word document): Presenting problem: First list the demographic description of the person. Then indicate in 1 or 2 sentences how you think this person would describe their problem (in their "own words") if they were coming to you for treatment. History of the presenting problem: Write 2-3 sentences here to describe the history of the presenting problem. Present information in chronological order. 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Then add a Note: to replace Axis IV just write a short description of the stressors; and Note: write a short description of the functional impairmentDSM-5 diagnosis - Justification of diagnoses: Here you should explain why you picked each diagnosis you chose. Specifically, list the symptoms the person has that match up with symptoms required for diagnosis of the disorder in the DSM-IV and compare this to the justification for DSM 5, 2013 diagnosis. You may also wish to talk about other diagnoses you considered and tell why you eliminated them. If there is no diagnosis on one of the Axes for the DSM IV format, write No Diagnosis on the proper Axis. i.e., No diagnosis Axis ___Writing the case formulation:A case formulation is nothing more than an explanation of how a person's problems developed according to a particular theory. 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