All categories

3 years ago

If you need a better picture please let me k ow

Mathematics

1 answer:

exis [7]3 years ago

4 0

Yes I need a bit of a better picture when done please let me know :)

You might be interested in

Can someone please help me answer this?

Setler79 [48]

Answer:

Step-by-step explanation:

If you don't understand some steps, comment it for me please.

1. Find diagonal.

d = 2r

d = 2(9)

d = 18

2. Find length of square.

each length of square = x

$x : 18 = 1 : \sqrt{2}$

$\frac{x}{18} = \frac{1}{\sqrt{2} }$

$\sqrt{2}x = 18$

$x = \frac{18}{\sqrt{2} } = 9\sqrt{2}$

3. Find area of circle and square.

Area for circle

$A = \pi r^2$

$A = \pi (9)^2$

$A = 81\pi = 254.4690...$

Area for square

$A = (length)^2$

$A = (9\sqrt{2})^2$

$A = 162$

4. Subtract area of circle to area of square.

254.4690... - 162 = 92.4690...

5. Find the shaded region.

92.4690... / 4 = 23.1172...

Rounded to the nearest hundredth = 23.12

7 0

3 years ago

Three students in a painting class made green paint by mixing blue and yellow paint. The table below shows the comparison of oun

tresset_1 [31]

Answer:

Clara

Step-by-step explanation:

7 0

3 years ago

Find the midpoint of the segment with the given endpoints (8, -7) and (-9,8)

Svet_ta [14]

Answer:

$\displaystyle (\frac{-1}{2},\frac{1}{2})$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinate Planes

Coordinates (x, y)

Midpoint Formula: $\displaystyle (\frac{x_1 + x_2}{2},\frac{y_1 + y_2}{2})$

Step-by-step explanation:

Step 1: Define

Identify

Point (8, -7)

Point (-9, 8)

Step 2: Find Midpoint

Substitute in points [Midpoint Formula]: $\displaystyle (\frac{8 - 9}{2},\frac{-7 + 8}{2})$
[Order of Operations] Evaluate: $\displaystyle (\frac{-1}{2},\frac{1}{2})$

6 0

3 years ago

PLEASE HELP!!! NEED ANSWERS ASAP

Yakvenalex [24]

1.
a
y = 5/2x - 3...slope = 5/2

5x = 2y - 4
2y = 5x + 4
y = 5/2x +2...slope = 5/2

both equation has same slope = 5/2 so the lines are parallel

b.
2x + 8y = -24
8y = -2x - 24
y = -1/4x - 3...slope = -1/4

48y = -12x -144
y = -1/4 -3...slope = -1/4

both equation has same slope = -1/4 so the lines are parallel

c.
2x-7y = -56
7y = 2x +56
y =2/7x + 8...slope = 2/7

7x +2y = 8
2y = -7x + 8
y = -7/2x + 4...slope = -7/2

first equation has slope = 2/7 and 2nd equation has slope = -7/2...so the lines are perpendicular

2.
A. y = 13
B. y = -2/3x - 2/3 ....slope = -2/3
C. 4x-7y = 56
7y = 4x - 56
y = 4/7x - 8 ...slope = 4/7

D.2x - 4y = -10
4y = 2x +10
y = 1/2x + 5/2....slope = 1/2
------------------------------------------------------

A line perpendicular to -3x + 2y = 8
-3x + 2y = 8
2y = 3x +8
y = 3/2 x +4 ....slope = 3/2

This answer is B

.............................................
a line parallel to 2y -x = 2
2y = x +2
y = 1/2x + 1 ...slope = 1/2

This answer is D

..............................
a line perpendicular to x = -13

answer is A. y = 13
-------------------------------------------
a line parallel to 16x = 28y so
y = 16x/28
y =4/7x ...slope = 4/7

This answer is C

7 0

4 years ago

Sam wanted to by stuff from the book fair. Two for $4.99, and one for $9.99. How much money will she need if each book adds 15 c

siniylev [52]

Sam will need $20.42 if she wants to buy all three books.

8 0

3 years ago