Mathematics High School

What’s the answer to this?!!!!!

Answers

Answer 1

Answer:

a = 6.7

Step-by-step explanation:

a² + b² = c²

a² + 6² = 9²

a² + 36 = 81

a² = 45

[tex]\sqrt{a^2} =\sqrt{45}[/tex]

a = 6.7

Related Questions

find the slope-intercept equation of the line that passes through (0,1) and has a slope of -2/3

Answers

Answer:

y = -2/3x + 1

Step-by-step explanation:

We already know the slope, so all we need to do is find the y-intercept. To find that, we need to plug the coordinates into the equation so far, which is,

y = -2/3x + b

1 = -2/3(0) + b

1 = 0 +b

1 = b

So the equation is y = -2/3x + 1

help please! i put extra points :(

Answers

Answer:

[tex]c \: (x + 5)(x - 1)[/tex]

170% of what number is 40?
Provide and exact fraction answer

Answers

Answer: 23.53

Step-by-step explanation:

We have, 170% × x = 40

or,

170

100

× x = 40

Multiplying both sides by 100 and dividing both sides by 170,

we have x = 40 ×

100

170

x = 23.53

If you are using a calculator, simply enter 40×100÷170, which will give you the answer.

Solve for x, then find the m HED. Please helppp

Answers

Answer:

x=3, HED =39

Step-by-step explanation:

Solution :

[tex]10x + 21 + 13x = 90[/tex]

[tex]23x = 90 - 21[/tex]

[tex]23x = 69 = > x = 3[/tex]

Angle HED = 13 × 3 = 39°

Hope this helps!

Review Exercise 14b
Find the truth set of the following equations
i) 3(2x+1)=8

Answers

Answer:

5/6

Step-by-step explanation:

x = 5/6.

What is the slope of the line containing the points (-4,-6) and (3,-4)

Answers

Answer:

got you right now

Step-by-step explanation:

the slope is -2\3

What is the equation of the line shown in the graph?

Answers

y = -5x + 6. Hope that helps.

A student is 90 cm tall and growing at a rate of 3 cm per month. At this rate, in how many months will the student grow to a height of 132 cm?

Answers

Answer:

14 months

Step-by-step explanation:

14x3=42

42+90= 132

Angles in circle solve for each variable

Answers

Answer:

x degree = 112 degree

Step-by-step explanation:

let the intersecting point of two cords be O.

then arc QR = angle QOR

which means ; 68 degree = angle QOR

Now,

angle QOR + angle POQ = 180 degree ( linear pair )

or, 68 degree + angle POQ = 180 degree

hence, angle POQ = 112 degree,.

Will Mark Brainliest <3

Please help!!!

Answers

It would be 8,993,200

what equals 7x+19 pls help

Answers

Answer:

it’s unknown

Step-by-step explanation:

the variable is unknown so it would stay 7x + 19 until you know the variable unless you’re able to do 26x

Please help! *Giving brainiest* due really soon

Answers

The correct answer for the question is C I’m sure of it

HELP ASAPPPPP PLZZZZ Question in pic!!!!!

Answers

Step-by-step explanation:

Given

5y + 68 = 3y + 96 (vertically opposite angles) and

3x + 18 = 5x + 2 (vertically opposite angles)

Now solve for x.

[tex]3x + 18 = 5x + 2 \\ 3x + 18 - 5x = 2 \\ - 2x + 18 = 2 \\ - 2x = 2 - 18 \\ - 2x = - 16 \\ x = - 16 \div - 2 \\ = 8[/tex]

Now Solve for y.

[tex]5y + 68 = 3y + 96 \\ 5y + 68 - 3y = 96 \\ 2y + 68 = 96 \\ 2y = 96 - 68 \\ 2y = 28 \\ y = 14[/tex]

What is the area of the parallelogram shown below?

Answers

Answer:

135 units square

Step-by-step explanation:

The area of a parallelogram is calculated by multplying height and base

The height of the given shape is 15 units and the base is 9 units

15 × 9 = 135 units square.

The difference of the two numbers is 3 their sum is 13 find the numbers please help

Answers

Answer:

2x-3=13

2x=13+3

2x=16

2x/2=16/2

x=8

Answer:

first number is 8

second number is 5

Step-by-step explanation:

Put these numbers in order from least to greatest.

Answers

i believe the order you have it in is correct

can someone please help me on numbers 5-10 and please show and explain your work HELP THIS IS DUE SOON thxs uwu

Answers

Answer:

hi bri

Step-by-step explanation:

Please help! The question is on the photo

Answers

Answer:

(0, 3) (0, -4) (-5, 4) (1, 1)

What is the total number of outcomes in each situation?

rolling two number cubes

A. 8
B. 18
C. 36
D. 12

Answers

Answer:

Step-by-step explanation:

What is the probability of picking a red marble
and keeping it, picking another red marble and
keeping it, then picking a blue marble? (leave
answer in fraction form in lowest terms)

Answers

how many marbles are there

The first five terms in a pattern are shown below. -0.5, -0.25, 0 , 0.25, 0.5, . . . Which equation represents the pattern?

Answers

Answer:

x + 0.25

Step-by-step explanation:

In this equation, x is representing an integer ( - 0.5, - 0.75, 0, 0.25) whilst 0.25 is a constant

Did I choose the correct answer?

Answers

Answer:

11.90

Step-by-step explanation:

oh yes sorry I didn't see what you chose lol

Answer:

Yes

Step-by-step explanation:

Rounding two decimal points mean there will be two numbers behind the decimal and since 6 is more than 5 and influences the result of the 9 the answer would be 11.90. It could be 11.9 but having said there is two decimal places there should be a 0 hope this helps!!

Solve for c.
9 = 1+c

Answers

Answer:

c = 8

Step-by-step explanation:

What triangle congruence postulate would you use to prove these triangles are congruent.

Answers

ssssssssssssssssssssss

Answer:

I don't know

Step-by-step explanation:

sorry

Simplify this to the lowest form: 2c^2 - 6 + c^2 - 3 + 3c^3

Answers

Answer:

7c^2 - 9

Step-by-step explanation:

2c^2 - 6 + c^2 - 3 + 3c^3

7c^2 - 9

What is the value of X? x=?º

Answers

Answer:

X=30⁰

Step-by-step explanation:

X=120-60/2

X=60/2

x=30

hope it helps....

I'll give brainlyest hel

Answers

Answer:

66 m^2

Step-by-step explanation:

6*11=66

Which of the following is a valid conclusion about the data?

Answers

Answer: D

Step-by-step explanation:

This list gives the height of different plants in inches. 10.25, 11.25, 11.00, 10.50, 10.50, 11.00, 10.75, 10.25, 11.00, 10.25, 10.50, 10.75, 10.25, 10.25, 10.50, 11.25, 11.00, 10.75 Create a line plot to display the data. To create a line plot, hover over each number on the number line. Then click and drag up to plot the data.

Answers

Answer:

10.25 xxxx 10.50 xxxx 10.75 xxx 11.00 xxxx 11.25 xx

Step-by-step explanation:

hope this helps

Answer:

10.25 | 5

10.50 | 4

10.75 | 3

11.00 | 4

11.25 | 2

Step-by-step explanation:

I took test on K12.

Here if proof I got it correct.

What is x-2.3y=0.6 -x+5.1y=-6.2

Answers

You have to add the like terms then it will equal y=2

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