The area of a circle is 3.14 square meters, What is the circle's diameter?

Answers

Answer 1

Answer:

506.128

Step-by-step explanation:

The Area Of A Circle Is 3.14 Square Meters, What Is The Circle's Diameter?

Related Questions

Matti has one more pencil than Chang-Lin. Renaldo had three times as many as Chang-Lin, and one more than Jorge. Jorge has 5 pencils, how many pencils does Matti Have?

Answers

Answer:Matti has 3pencils

Step-by-step explanation:

Given that Jorge has 5pencils

Renaldo has 1more than Jorge that means ,he has 5 +1=6pencils

But also

Renaldo =3Chang-Lin

6==3Chang-Lin

Chang-Lin = 6/3 =2

Since Chang-Lin has 2, Matti having 1more I than Chang-Lin will have 2+1=3pemcils

A house painter mixed 5 gal of blue paint with every 9 gal of yellow paint in order to make a green paint. Which ratio of gallons of blue paint to gallons of yellow paint will make the same shade of green paint?
A. 30:54
B. 6:10
C. 10:45
D. 27:15

Answers

Answer is A 5*6=30 9*6=54

Please help with math (geometry), Thank you! picture posted below.

Answers

Answer:

FHG=CDE

Step-by-step explanation:

ASA

The other triangle has 2 dashes for the side. THe other two have the same markings.

simplify (2x+1)(x+8) - (x-3)(2x+1) ​

Answers

Answer:

22x+11 is your answer

Step-by-step explanation:

(2x+1)(x+8) - (x-3)(2x+1)

(2x+1)(x+8-x+3)

(2x+1)(11)

=22x+11

An advertising flyer shows address labels as 4.3 cm by 1.2 cm. The ratio of the flyer label to the actual label is 2:3. What are the dimensions of the actual address labels?

Answers

Answer:

6.45 cm by 1.8 cm

Step-by-step explanation:

Ratio of label to actual measurement ; 2 : 3

For a flyer label size of 4.3

Actual label size equals :

(Flyer ratio / total ratio) * total size = flyer size

2/5 * x = 4.3

2x / 5 = 4.3

2x = 21.5

x = 21.5 / 2

x = 10.75

Actual size =. 10.75 - 4.3 = 6.45 cm

2/5 * x = 1.2

2x / 5 = 1.2

2x = 6

x = 6 / 2

x = 3

Actual size = 3 - 1.2 = 1.8 cm

6.45 cm by 1.8 cm

A forest covers 58,000 acres. A survey finds that 0.7​% of the forest is​ old-growth trees. How many acres of​ old-growth trees are​ there?

Answers

Answer:

406

Step-by-step explanation:

0.7 % / 100 = 0.007

58000 * 0.007 = 406 acres

PLEASE HELP URGENT!!!!!!

Answers

Answer:

a, b & c are possible solutions.

Answer:

I'm no mathematician but I'd say yes. If I'm wrong, I'm sorry

I will greatly appreciate if you can solve this question!

Answers

Answer: The answer would be B

Write out the equation in slope-intercept form:

y=-5/3x+6 (Once we know that, it'll be easier to convert it into standard form.)

Subtract -5/3 from both sides of the equation:

y+5/3x=6

Subtract 6 from both sides:

y+5/3x-6=0

Multiply both sides by 3 to get rid of the fraction:

3y+5x-18=0

Then arrange the numbers to x and y are on one side by itself:

3y+5x=18

And that's your answer!

Hope this helped you!

pls help, due asap!

Find X to the nearest tenth.
A) 7.0
B) 6.1
C) 7.5
D) 6.8

Answers

Answer:

A) 7.0

Step-by-step explanation:

By angle bisector property:

[tex] \frac{x}{7.9} = \frac{18}{20.4} \\ \\ x = \frac{18 \times 7.9}{20.4} \\ \\ x = \frac{142.2}{20.4} \\ \\ x = 6.97058824 \\ \\ x \approx \: 7.0[/tex]

A.7.0 it is A oh and have a good day !!

how many cups of flour would u need to bake 7 batches of cookies?

Answers

If 1/2 cup of flour makes a batch of cookies, to make 7 batches you would need 3 and a half cups of flour :D

x^2 - 36x -6 factorization​

Answers

Answer:

cannot factor further

Step-by-step explanation:

step 1: search online for factoring calculator

step 2: pick a site to use

step 3: enter problem and hit enter

step 4: see full solutions.

sorry I couldn't help more

Ava is in a hot air balloon that has just taken off and is floating above its launching point. Mary is standing on the ground 4 meter away from the launching point. If ava and mary are 5 meters apart, how high up is ava ?

Answers

Answer:

Ava's altitude is 3 meters.

Step-by-step explanation:

The position of Ava and Mary can be described by the sides of a right angled triangle. Let Ava's altitude be represented by x.

So that applying the Pythagoras theorem, we have;

[tex]/hyp/^{2}[/tex] = [tex]/Adj 1/^{2}[/tex] + [tex]/Adj 2/^{2}[/tex]

[tex]5^{2}[/tex] = [tex]4^{2}[/tex] + [tex]x^{2}[/tex]

25 = 16 + [tex]x^{2}[/tex]

[tex]x^{2}[/tex] = 25 - 16

   = 9

x = [tex]\sqrt{9}[/tex]

   = 3

x = 3 meters

Thus, Ava's altitude is 3 meters.

19.87 but there’s a 20% discount what’s the answer now?

Answers

15.90 would be your new answer

19.87 = 100%

If you divide both sides by ten, you would get what ten percent is.

1.987 = 10%

Multiply this by two to get 20%.

3.974 = 20%

Minus twenty percent from the original amount.

18.87 minus 3.974 = 15.886 after the discount.

Determine the surface area from the folllowing nets. Type the answer in the space provided (no units needed). If the answer is correct a mystery picture will appear. (Zo om in for bigger picture of dimensions)

Answers

Answer:

1.) 138

2.) 55

Step-by-step explanation:

1.) 8 x 6 = 48 x 2 = 96

   (middle) 8 x 3 = 24

   (triangles) 6 x 3 = 18 divided by 2 = 9 x 2 = 18

96 + 24 + 18 = 138

2.) (middle) 5 x 5 = 25

    (triangles) 5 x 3 = 15 divided by 2 = 7.5 x 4 = 30

     30 + 25 = 55

Hope this helped!!

What is the Surface Area of the cone?

Answers

Answer:

716.48

Step-by-step explanation:

Use the cone area theorem

i have no idea what to do please answer!! i will give the brainyist !!

Answers

Answer:

Hey mate.....

Step-by-step explanation:

This is ur answer.....

Measure angle 2 = 125

M.A 1 = 180 - 125 ( Supplementary angle)

M.A 1 = 55

M.A 3 = 125 (Vertically Opposite Angles)

M.A 4 = 55 (Vertically Opposite Angles)

M.A 5 = 55 ( Corresponding Angle)

M.A 6 = 125 ( Corresponding Angle)

M.A 7 = 125 ( Vertically Opposite Angle)

M.A 8 = 55 ( Vertically Opposite Angle)

Hope it helps!

mark me as the brainliest.......

Follow me! :)

Answer:

∠1 = 55°

∠3 = 125°

∠4 = 55°

∠5 = 55°

∠6 = 125°

∠7 = 125°

∠8 = 55°

Step-by-step explanation:

This is the detective case for vertical angles!!(dun-dun-dun!!!!)

Ok the info we have is that Angle 2 is 125°

Ok, quick,  take ten seconds, the other group might take the victory coin. What is the vertical angle for angle 2?

-----

3! Correct

3 is the vertical angle because it is one part of the pair of opposite angles made by two intersecting lines.

3 is now 125°

The sum of all angles 1,2,3,4 is 360°

360° - 125° - 125° = 110°

110° / 2 (because 1 and 4 are vertical, they are equal) = 55°

1 = 55° and 4 = 55°

Lets do this for 5,6,7, and 8

Angle 1 = angle 5 because it is the law of same side interior(corresponding) angles, or they are the same because the lines are parallel to each other.

So angle 5= 55°

then angle 8 = 55°

6 = 125° and 7 = 125°

Yay you beat the other team. Great job you win a victory coin(which basically is something that is absolutely nothing)

Xian plans to run 14 laps around a track, each lap is 400 yards which would make his run a total of 5600 yards. So far Xian has run 1,680 yards around the track. What percentage of the run has Xian completed?

Answers

Answer:

4.2 laps

Step-by-step explanation:

because 4 laps is 1600+ the 80 which is a 1/5 of 400 causing it to be .2

 A map of a highway has a scale of 2 inches=45 miles. The length of the highway on the map is 9 inches. There are 7 rest stops equally spaced on the​ highway, including one at each end. You are making a new map with a scale of 1 inch=30 miles. How far apart are the rest stops on the new​ map?

Answers

Answer:

25.7 miles apart

Step-by-step explanation:

this may not be right, if its not im sory

find the length of side a

Answers

Answer:

a = 4

Step-by-step explanation:

a² = 5² - 3²

a² = 25 - 9 = 16

√16 = 4

a = 4

Answer:

a = 4

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

a² + 3² = 5²

a² + 9 = 25 ( subtract 9 from both sides )

a² = 16 ( take the square root of both sides )

a = [tex]\sqrt{16}[/tex] = 4

100x² + 180x + 81
Solve this PLZ

Answers

Answer:

[tex]\huge\boxed{\sf (10x+9)^2}[/tex]

Step-by-step explanation:

[tex]\sf 100x^2 + 180x+81\\\\= (10x)^2 + 2(10x)(9)+ (9)^2\\\\Using \ Formula \ a^2 +2ab+b^2 = (a+b)^2\\\\= (10x+9)^2\\\\\rule[225]{225}{2}[/tex]

Hope this helped!

~AH1807

Answer:

[tex](10x + 9 {)}^{2} [/tex]

Step-by-step explanation:

1) Rewrite it in the form a² + 2ab + b², where a = 10x and b = 9.

[tex](10x) ^{2} + 2(10x)(9) + {9}^{2} [/tex]

2) Use square sum: ( a + b )² = a² + 2ab + b².

[tex](10x + 9 {)}^{2} [/tex]

Hence, the answer is (10x + 9)².

What are the y-intercept and axis of symmetry of this quadratic function?
5
X
5
Select two answers: one for the y-intercept and one for the axis of symmetry.
PLS HELP WILL GET BRAINLIEST

Answers

Answer:

A and C

Step-by-step explanation:

Eight burgers and three orders of fries cost $79.49. Six orders of fries and twelve burgers cost $125.82.Find the price of one burger and one order of fries .

Answers

Answer:

Burgers - $8.29 and fries - $4.39

Step-by-step explanation:

Let burgers - b, fries - f

8b + 3f = 79.4912b + 6f = 125.82

Double the first equation and subtract the second equation:

16b + 6f - 12b - 6f = 2(79.49) - 125.824b = 33.16b = 33.16/4b = 8.29

Find f:

8(8.29) + 3f = 79.493f = 79.49 - 66.323f = 13.17f = 13.17/3f = 4.39

please help me im giving you a lot of points

Answers

Answer:

7w13 times4y2

Step-by-step explanation:

What is the perimeter of a rectangle with a length of 6cm and a width of
5cm?

Answers

Answer:

perimeter = 22 cm

Step-by-step explanation:

perimeter = 2(L + W) = 2(6 + 5) = 22 cm

Answer:

22cm

Step-by-step explanation:

P=2(l+b)

so length (l)=6cm

width (b)=5 cm

1. Anne had 1 hour for lunch.
She played for of an hour and read for to of an hour
a) How many minutes did she have left to eat lunch?​

Answers

Given with the grammar I am assuming fourths so I am gonna say I 15 mins left to eat lunch

f(x) = –x^2 – 4x
Find f(-1)

Answers

Answer:

3

Step-by-step explanation:

Evaluate F(x) = –x^2 – 4x by substituting -1 for x:

              F(-1) = –(-1)^2 – 4(-1)

This becomes:

               F(x) = –1 + 4  =  3

pj is placing cans on a shelf. she makes a pattern that repeats after 4 cans. if pj repeats the problem, what will the 21th can look like

Answers

Answer:

like the 3rd in the cycle

Step-by-step explanation:

Answer:

i tihkn orange

Step-by-step explanation:

HELP PLEASE!!

If Jocelyn missed the target 5 times in 40 shots, what is the probability that her next shot will miss?

Answers

Answer:

Not 100% sure but I think that would be 12.5% hit rate. Meaning it is a 87.5% chance that she misses her next shot if her accuracy continues.

Step-by-step explanation:

Answer:

5:40 I think????????

Step-by-step explanation:

pls answer asap and pls no wrong answers ;-;

Answers

Answer:

y = 7

Step-by-step explanation:

on that equation there is the point (-5 , 7)

Y=7 is the answer!!!!!!!!!

What's the answer pleaseeeww

Answers

Answer:

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Step-by-step explanation:

Answer:

The initial number of bacteria is 250 and the colony is increasing in size.

Step-by-step explanation:

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