Mathematics High School

14
What is the solution to the system of equations that was solved by graphing?
0
A (-2,2)
B (-1,1)
C (1,-1)
D (2,-2)

14What Is The Solution To The System Of Equations That Was Solved By Graphing?0A (-2,2)B (-1,1)C (1,-1)D

Answers

Answer 1
I think it’s B, goodluck :))

Related Questions

Tim is constructing a triangle with sides measuring 3 inches and 6 inches. Which could not be the length of the third side? A 2 in. B 4 in. C 6 in. D 8 in.

Answers

The answer is A 2.

The third side must be > A - B or 6 - 3 = 3.

The third side must be > 3 so only 2 does not fit.

HELP (ENGLISH)
Amira is preheating her oven before using it to bake. The initial temperature of the oven is 75° and the temperature will increase at a rate of 20° per minute after being turned on. What is the temperature of the oven 9 minutes after being turned on? What is the temperature of the oven tt minutes after being turned on?

Answers

The expression should be 75+20x. For every nine minutes (75+20(9)) the oven temperature should be at 255 degrees.

If y varies directly as x, and y =-4 when x=8, find y when x=3

Answers

Answer: Another way of looking at it!

y

=

10

Explanation:

This is a ratio question in disguise.

By parts of the question:

"When y varies directly with x"

→

y

x

"

"if y=8 when x=4"

→

.

.

y

x

=

8

4

"how do you find y when x=5"

→

y

x

=

8

4

=

y

5

so

y

=

8

×

5

4

=

10

This is the same thing as using 'k' in the other solution

Step-by-step explanation:

The equation h=60-4m gives the height h (in inches) of the water in a tank m minutes after it starts to drain

Answers

Answer:

40m

Step-by-step explanation:

Complete question

The equations h = 60 - 4m gives the height h (in inches) of the water in a tank m minutes after it starts to drain. How high is the water after 5 minutes.

To get the height of the water after 5minutes, we will find h at when m = 5

h = 60 -4 (5)

h = 60 - 20

h = 40m

Hence the water is 40m high after 5minutes

In 1971, the average price of gasoline was $0.36 per gallon. In 2020, the average price of gasoline was $2.32 per gallon. a. What is the percent increase, rounded to the nearest whole number, in the cost of a gallon of gasoline from 1971 to 2020? b. What is the percent decrease, rounded to the nearest whole number, in the cost of a gallon of gasoline from 2020 to 1971? 2. Last year, DeKalb Middle School had 140 7 thgraders. The number of 8 thgraders was 125% of the number of 7 thgraders. How many 8 thgraders were there last year? 3. Find the balance of a savings account at the end of 4 years if the interest earned each year is 5.5%. The principal is $700.

Answers

Answer:

1. a. 544%

b. 84%

2. 175

3. $867.18

Step-by-step explanation:

1. a.2.32-0.36=1.96

1.96/0.36=5.44

5.44*100=544

b. 1.96/2.32=0.84

0.84*100=84

2. let x = # of 7th graders

let y = # of 8th graders

y is 125% of x

y=1.25x

x=140

y=1.25*140

y=175

3. A=P(1+r)^t

A=700(1+0.055)^4

A=867.18

What is the equation for a line that passes through the points (-4,-3) and (8,12)?

Answers

Step-by-step explanation:

vv

PLSSS HELP
correct answer get brainliest

Answers

h= 6 units

i might be wrong sorry

Please do number 15 for me

Answers

Answer:

C

Step-by-step explanation:

2x -15 +3x -5 = 180

5x -20 = 180

5x = 180+20 = 200

x = 200/5 = 40

3x -5 = 3(40)-5 = 120-5 = 115

2x -15 = 2(40) - 15 = 80-15 = 65

(125,75)-(40,72) işleminin sonucunu bulunuz​

Answers

85,03 çevap budur inşallah doğrudur iyi dersler

May you plz help me I am struggling with slopes

Answers

Answer:

(1,-5) basically x and y -5 is your y and 1 is your rise and run.

Step-by-step explanation:

On three days, Ben throws darts at a target.

Here are his results.

Number of throws

Number of hits

Number of misses

40

30

10

30

18

Monday

Tuesday

Wednesday

Total

12

50

36

14

120

84

36


b) Use the total of the results to estimate the

probability of Ben of hitting the target.

Answers

Answer:

[tex]P(Hits) = 0.70[/tex]

Step-by-step explanation:

Given

[tex]Throws = 120[/tex]

[tex]Hits = 84[/tex]

[tex]Miss = 36[/tex]

See attachment for result

Required

Determine the probability of hitting the target

This calculated using:

[tex]P(Hits) = \frac{n(Hits)}{n(Throws)}\\[/tex]

[tex]P(Hits) = \frac{84}{120}[/tex]

[tex]P(Hits) = 0.70[/tex]

Hence, the probability of hitting the target is 0.70

solve by graphing
2x+4y=8
2x-y=2
point to where they intersect ( , )

Answers

I recommend going to desmos graphing calculator and put those in and it should show
I used desmos (graphing website/app) and got (1.6, 1.2)

Use the function f(x)=3 sin⁡(xπ/2)+2 to answer parts A - F. Show steps for C, D and E.

Answers

And the steps???????

Please help asap!! I will mark you as brainliest. :)

Answers

the measure of the angle 5 is hekdbssj and the rleation
3,6, and 7 are all equal

Graph the line y = x + 6.

To graph a line, plot any two points on the line.

Answers

Your Graph would look like this

Step-by-step explanation:

i chose the points -6,0 and 6,0

A central angle measures 270 degrees . If the radius of the circle is 12 cm , what is the length of the arc intercepted by the central angle ?

Answers

Answer:

12 R cm

Step-by-step explanation:

File is attached to question

Answers

(1,4) I think because it’s the point where both the graphs intersect

A container is in the shape of a cuboid the cuboid is 2/3 full of water a cup holds 275 ml of water what is the greatest number of cups

Answers

Answer:

12 cups

Step-by-step explanation:

The first step is to calculate the volume of the cubiod

= 36 × 6 × 23

= 4968

= 4968/3 ×2

= 1656×2

= 3312

Therefore the greatest number of cups can be calculated as follows

= 3312/275

= 12

Hence the greatest number of cups is 12 cups

un auto de carreras puede frenar a razón de -8.0m/s2.
a.si viaja a 38m/s,¿cuantos metros recorrerán antes de detenerse.?
b.¿cuantos metros recorrerán si viaja a 75m/s?​

Answers

Answer:

25  i used g00gle trans

Step-by-step explanation:

Kai is developing a multimedia presentation on multicellular organisms. Which of the following will she include in her report?

A. fungi
B. yeasts
C. bacteria
D. prokaryotes

Answers

Answer:

Fungi

Step-by-step explanation:

It says solve for the variable I do t understand

Answers

Answer:

x=11

Step-by-step explanation:

Sarah drove 116 miles in 4 hours .If she drove at a constant rate,how far did she travel each hour?

Answers

Answer:

29 miles

Step-by-step explanation:

116 divided by 4

Answer: 29 mph

Hope this helps :)

solve for x
8x = -14

Answers

Answer:

-7/4

Step-by-step explanation:

8x=-14

X=-14/8

X=-7/4

X=7/4-
I hope this helps

Question 3 (5 points)
Use the graph to solve the system of linear equations.
Оа
(-4,-4)
Ob
(-1.5,-1)
ос
(2,0)
Od
(-2,-2)

Answers

could i have the graphs?


[tex]6x - 2y = 18[/tex]
what is the answer​

Answers

Answer:

x could be 3 and y could be 0

x=3

y=0

Step-by-step explanation:

need the whole question, unless there are multiple correct answers

Answer:

x = 4 and y = 3

Step-by-step explanation:

i need help pleaseee .

Answers

Answer:

3.78 yd

Step-by-step explanation:

Rectangle area = length x width

a = (w+10)*w = w² + 10w = 52

w² + 10w - 52 = 0

w = (-10 ± √10²-4*1*(-52)) / 2 = (-10 ± √308)/2 = (-10 ± 17.55)/2

width must be positive: w = (-10 + 17.55)/ 2 = 7.55/2 = 3.78

I need the answer to this it’s so hard I’d appreciate the help a lot

Answers

Answer is 2 and 22 I just divided by 2
The answer is 10 yep sure is cause yep

Simplify :

- 1/2 (4/5 _ 8y)

Answers

Answer:

[tex] - \frac{1}{2} ( \frac{4}{5} - 8y) \\ = - \frac{4}{10} + \frac{8y}{2} \\ = - \frac{2}{5} + 4y \\ = \frac{ - 2 + 5 \times 4y}{5} = \frac{ - 2 + 20y}{5} \\ - 2 + 20y = 0 \\ 20y = 2 \\ y = \frac{1}{10} [/tex]

xis directly proportional to y.
When x=21, then y=3.
a) Express x in terms ofy.
b) Find the value ofx when y is equal to 10.​

Answers

x = k x y
21 = k x 3
k = 7
x = 7y

x = 7(10)
x = 70

a) 82
b) 42
c) 98
d) 70

Answers

Answer:

option d.

let the two angle of mnp be x and y

in the trapezoid NO and MP are parallel.

so the 28° = y and 42°=x(by alternate interior angle)

so the angle mnp= x+y

angle mnp=28°+42°=70°

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