Mathematics High School

coordinate planes






again

Coordinate Planes Again

Answers

Answer 1
(-4, -7) if it is incorrect then it’s B.

Related Questions

x/-3 = -7
What is x?
Please explain

Answers

Answer: x=21

Step-by-step explanation:

x/-3=-7

Take -3 and multiply it on each side to cancel it out from the left

x=21

Answer:

i think its 21

Step-by-step explanation:

-3x x/3 =-7 x -3 = 21

.
.
On Monday, she drove 4 to hours.
On Tuesday, she drove 5 to hours.
On Wednesday, she drove 3 hours.
.
How many hours altogether did Taniya drive on her trip?
A
1210
B
13
C
lo
13.10
14
D

Answers

Answer:

She drove 12 hours

5+4+3=12

Step-by-step explanation:

Social studies class is 4 more than two times the length of recess, in minutes.

Answers

since there are no numbers, i will assume that the length of recess is 1 minute, or x. if social studies is 4 more than 2 times the length of recess, we can use the equation x*2+4 to solve the problem. the end result will be 6 minutes. Social studies is 6 minutes longer than recess

Please help me!! Thank you

Answers

Answer:

WXY = 90

XZY = 45

YXZ = 45

WRZ = 90

XWY = 45

what is the value of X?

Answers

Answer:

100°

Step-by-step explanation:

HELP HELP HELP HELP HELP HELP

Answers

Answer:

mean: 14

median: 13.5

range: 8

Step-by-step explanation:

Hope this helps! Sorry if I am late.

Answer:

B

Step-by-step explanation:

For this problem, you would only need to figure one of them out since all the numbers vary. I calculated the mean. Mean is the same as the average. First, add all the numbers up. I got 112. Then, divide 112 by the amount of numbers you added (8). 112/8 is 14, and the mean=14 is b.

Please help! Will give brainliest!

1.Write the equation in point-slope form with the given slope of -2 and passes through the point (4,-5)

2. Write the equation in slope-intercept form of the line parallel to y=4x-2 and passes through (4,6)

3. Write the equation in slope-intercept form with the given slope of 3 and passes through (-1,1)

4. Write the equation in slope-intercept form of the line perpendicular to 2x-7y=1 and passes through (0,-4)

Answers

1.

The equation in point-slope form:  y - y₁ = m(x - x₁)

slope:  m = -2

point:   (4, -5)   ⇒   x₁ = 4, y₁ = -5

Therefore, the equation of the line in point-slope form:

y + 5 = -2(x - 4)

2.

The equation in slope-intercept form:   y = mx + b

Parallel lines has the same slope, so:

y = 4x + 2     ⇒    a = 4

If a line passes through the point (x₁, y₁) then the equation y₁ = mx₁ + b is true.

(4, 6)  ⇒   x₁ = 4, y₁ = 6  

So:   6 = 4·4 + b  ⇒   b = -10

Therefore the equation:  

y = 4x - 10

3.

a = 3

(-1, 1)  ⇒   x₁ = -1, y₁ = 1  

So:   1 = 3·(-1) + b  ⇒   b = 4

The equation:  

y = 3x + 4

4.

The product of slopes of perpendicular lines is -1.

2x - 7y = 1    ⇒  7y = -2x + 1   ⇒  y = -²/₇x + ¹/₇

-²/₇×m = -1    ⇒   m = ⁷/₂

(0, -4)  ⇒   x₁ = 0, y₁ = -4  

-4 = ⁷/₂·0 + b   ⇒   b = -4

The equation:

y = ⁷/₂x - 4

3(x - 6) = -15 + 3x

Yes no solution show work

Answers

Answer:

see explanation

Step-by-step explanation:

Given

3(x - 6) = - 15 + 3x ← distribute parenthesis on left side

3x - 18 = - 15 + 3x ( add 18 to both sides )

3x = 3 + 3x ( subtract 3x from both sides )

0 = 3 ← not possible

This indicates the equation has no solution

what two numbers multiply to be -56 and add up to be -1?

Answers

Answer:

-8 and 7 is the answer

-8*7 is -56

and -8+7 is -1

-8 and 7
7-8= -1 and (-8)x(7)=-56

y=[tex]x^{2}[/tex] +3x−10 Write this equation in factored form

Answers

Answer:

y = (x - 2) (x + 5)

Step-by-step explanation:

math problem pls help

Answers

Answer:

either a. or c. I hope it helps

Step-by-step explanation:

because half of 64 is 32

What is the next step using distributive property? Then solve

Answers

Answer:

2352

Step-by-step explanation:

You just multiply them

A is the point with coordinates (4, 6)
B is the point with coordinates (d, 21)

The gradient of the line AB is three.

Work out the value of d.

Answers

The gradient is the slope.

Slope is the change in y over the change in x.

3 = (21-6) / (d-4)

Simplify:

3 = 15/(d-4)

(D-4) = 15/3

D-4 = 5

Add 4 to both sides :

D = 9

Enter the value for that makes the given equation true.

20−5(6+4)=4−6

Answers

Answer:

hi, there is no variable

About 71% of Earth’s surface is covered in water. If the surface area of the Earth is about 196,900,000 square miles, About what percent of the Earth’s surface is not covered in water? How many square miles is this?

Answers

Answer:

29 percent of the earth is not covered by water and 57,101,000 Square miles

Step-by-step explanation:

Write
3 5/6
as an improper fraction.

Answers

Answer:

23/6

Step-by-step explanation:

3 5/6  multiply 6 times 3 then add 5 which is 23 then take six and is the denominator and 23 is the numerator

Mr.Williams bought 30 muffins and pies. Each muffin cost 2.50 dollars and each pie cost 4.50$. The pies cost 9$ more than the muffins. How many of each item did he buy?

Please find the answer

Answers

He bought 18 muffins and 12 pies.

Help! Find the domain of the graph

Answers

Answer:

[-3,9]

Step-by-step explanation:

you look at the x axis

During the 2005 football season team tackle the team sack by eight points if the combine scores total of 26 find the individual team scores

Answers

Answer:

Team sack = 9

Team tackle = 17

Step-by-step explanation:

To start with, we'd assume that

Let x = the points scored by Team Sack

Let x + 8 = the points scored by Team Tackle

x + x + 8 = 26

So, go further and solve mathematically

2x + 8 = 26

if we subtract 8 from both sides, we have

2x = 18

Next, we then divide both sides by 2. So that,

x = 18/2

x = 9

Since we assumed the total points for Team Sack to be x, then Team Sack scored 9 points while Team Tackle scored x + 8 points, and that is 17

A doll's house is
1/8
the size of a real house.
The length of the doll's house is 1.5m.
How long is the real house?

Answers

Answer:

12m,

Step-by-step explanation:

1.5 times 8 =12

what is the expression of 14b

Answers

Answer:14 x b???

Step-by-step explanation:

PLEASE HELP ME!!!!!!

Answers

Answer:

1= 37

2= 37

3= 37

4= 37

5= 106

Step-by-step explanation:

please help me out guys, Thank you.

I am very poor at mathematics​

Answers

Answer:

79

Step-by-step explanation:

Given the expression

x + 1/x = 9

Square both sides

(x + 1/x)^2 = 9^2

x^2 + 2x(1/x)+ (1/x)^2 = 81

x^2 + 2 + 1/x^2 = 81

x^2+1/x^2+2 = 81

x^2+1/x^2 = 81-2

x^2+1/x^2+ = 79

Hence the value of x^2+1/x^2 is 79

Part A
Between which pairs of points are the slopes the same? Select all that apply
B and C; A and C
A and F; A and E
D and E; A and F
C and D; E and F
A and B; B and C
E and F; A and F

Answers

Answer:  Yes

Step-by-step explanation:  It is because it is just a bigger version of it. B is half of C, F is half of E and The A is in both diagrams.

Find the length of side x in simplest radical form with a rational denominator.

Answers

Answer:

x = 1.58

Step-by-step explanation:

base = X

hypotenuse = √5

cos 45° = base / hypotenuse

1/√2 = X / √5

X = √5 / √2

X = 1.58

MATH HELP ITS TIMED.................

Answers

Answer:

7^5

Step-by-step explanation:

help me please help me please

Answers

2=10
3 =15
7=35
1=5
Constant of 1 is 5
5+10=15+15=30+30=60+60=120+120=240+240=480+480=960

The question and information is on the photo pls if you can give me the work to.

Answers

Answer:

SI = 2052.61 ft

Step-by-step explanation:

cos 13 = 2000/SI

0.9744 = 2000/SI

multiply both sides by SI:

(SI)(0.9744) = 2000

divide both sides by 0.9744:

SI = 2052.61 ft

Kate sold a sailboat at a loss of 20%. If the selling price was $64, what was the original cost?

Answers

So she lost 20% of the original selling price.

$64 is 80% of the original price.

64/80=0.8

0.8·100=80 dollars. HOPE THIS HELPS!!!

Answer:

Step-by-step explanation:

PLEASE HELP...........................

Answers

Answer:

Step-by-step explanation:

6) 3750

7) 244

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