What is 16/18? The slash is division. If it happens to be a repeating decimal, please give me fraction form. Thank you so much! 20 points for Brainliest answer!

Answers

Answer 1

Answer: 8/9
(0.888 repeating)

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70 POINTS! ∆ABC is reflected across the x-axis, then rotated 90° clockwise about the origin, and finally reflected across the line y = x to form ∆A′B′C′.The coordinates of vertex A′ are ____.The coordinates of vertex B′ are ____ .The coordinates of vertex C′ are ____.

A restaurant manager needs to rope off a rectangular section for a private party. The length of the section must be 7.4 m. The manager can use no more than 23 m of rope. Which inequality could you use to find the possible widths of the roped off section

Answers

Answer:

$14.8+2W\leq 23$

The value of the width must be less than or equal to 4.1 meters

Step-by-step explanation:

we know that

The perimeter of the rectangular section is given by

$P=2L+2W$

we have

$L=7.4\ m$

substitute

$P=2(7.4)+2W$

$P=14.8+2W$

Remember that

The manager can use no more than 23 m of rope

The perimeter must be less than or equal to 23 m

$14.8+2W\leq 23$

solve for W

subtract 14.8 both sides

$2W\leq 23-14.8$

$2W\leq 8.2$

divide by 2 both sides

$W\leq 4.1\ m$

The value of the width must be less than or equal to 4.1 meters

Helppppppp!!!!!!!! :(((((

Answers

you have the area of the squares
100 in^2
area of a square = l*w
so length and width of the square both equal 10in
there are 4 squares going across the semi circle so...
diameter of semicircle is 10+10+10+10 =40in and radius is 20in
to find area of semicircle the formula is 1/2 pi r^2
so plug in the numbers 1/2(3.14) (20)^2 = 628 in ^2
now add that to area of big square part of window
40 inches length * 40 inches width = 1600in^2 (or you can just add them all up )
add up the areas now 1600+628= 2228 in^2
i think that is right

a) We know that the radius of the top of the window is two side lengths of a square. Since each square has a side length of 10 inches, the radius of the half-circle portion is 20 inches. The area of a half-circle is (pi*r²)/2 (r being radius and pi being 3.14). There are 16 squares as well. So the equation is ((3.14*20²)/2) + (16*100)=2,228 in²
b) The next part's a little tricky, but just add 4 inches to the radius and 4 inches to all of the affected outer-rim squares. You should get 3016.32 in²

Ben bought 12 goldfish. Each goldfish costv$0.59. How much did Ben spend? _____

Answers

Ben bought 12 goldfish, and each goldfish cost $0.59.

So, we need to find how much $0.59 would be 12 times. We can either add $0.59 twelve times, or multiply. The easier way is to multiply.

12 × 0.59 = 7.08

The final answer is that: Ben spent $7.08 on goldfish.

so first multiply 59 by 12. 59 times 12 equals 708 so ben spent 708 dollars

Remi has two cone-shaped containers with the same diameter. He will place the smaller container inside the larger one. Before he does this, he wants to fill the larger container with water so that it will be completely full but won't spill when he places the smaller container inside. The diameter of both containers is 14 cm. The height of the smaller container is 3 cm, and the height of the larger container is 17 cm.What volume of water must Remi put in the large container? Round your answer to two decimal places and use 3.14 to approximate pi.

Answers

use the formula for the cone
1/3 times (area of base) times height

so first we want to find the volume of both cones then subtract the volume of the smaller container from the larger one

area of base for both are equal
area of base=area of circle=pi times r^2
radius=diameter/2
diameter=14
radius=14/2
radius=7

pi times 7^2
pi times 49
3.14 times 49=153.86

smaller so 1/3 times 153.86 times 3=smaller cone=153.86 cm^3

larger
so 1/3 times 153.86 times 17=871.873

subtract smaller from larger

871.873-153.86=718.013 cm^3
the volume of water needed is 718.01 cm^3

16x²-81=0 solve the following quadratic equation

Answers

$16x^2-81=0\n\n(4x)^2-9^2=0\n\n(4x-9)(4x+9)=0\iff4x-9=0\ \vee\ 4x+9=0\n\n4x=9\ \vee\ 4x=-9\n\nx=(9)/(4)\ \vee\ x=-(9)/(4)$

$or\n\n16x^2-81=0\n\n16x^2=81\ \ \ \ /:16\n\nx^2=(81)/(16)\n\nx=\pm\sqrt(81)/(16)\n\nx=-(√(81))/(√(16))\ \vee\ x=(√(81))/(√(16))\n\nx=-(9)/(4)\ \vee\ x=(9)/(4)$

16x^2-81=0
(4x-9)(4x+9)
x=9/4 or x=-9/4

Find m
(-3x + 20)
(-2x + 55)

Answers

Answer: Solution for (-3x+20)+(-2x+55)=180 equation: x= -21

Step-by-step explanation:

Simplifying

(-3x + 20) + (-2x + 55) = 180

Reorder the terms:

(20 + -3x) + (-2x + 55) = 180

Remove parenthesis around (20 + -3x)

20 + -3x + (-2x + 55) = 180

Reorder the terms:

20 + -3x + (55 + -2x) = 180

Remove parenthesis around (55 + -2x)

20 + -3x + 55 + -2x = 180

Reorder the terms:

20 + 55 + -3x + -2x = 180

Combine like terms: 20 + 55 = 75

75 + -3x + -2x = 180

Combine like terms: -3x + -2x = -5x

75 + -5x = 180

Solving

75 + -5x = 180

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-75' to each side of the equation.

75 + -75 + -5x = 180 + -75

Combine like terms: 75 + -75 = 0

0 + -5x = 180 + -75

-5x = 180 + -75

Combine like terms: 180 + -75 = 105

-5x = 105

Divide each side by '-5'.

x = -21

Simplifying

x = -21

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