TRUE OR FALSE: Every diameter of a circle is a chord. Justify your answer using what you know about diameters and chords.

Answers

Answer 1

Answer: True.
A diameter is a line that goes across the whole circle and passes by the center.
A chord is any line segment that connects two points on the circumference.
Since the diameter is a line from one opposite end of the circle to the other, it is connect two points on the circumference, thus it is a chord.

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Last week it snowed 4.32 inches on Monday and 6.86 inches on Tuesday. It snowed 7.89 inches this week. Round each number to the nearest tenth. About how much more did it snow last week than this week? A. about 4.0 inches B. about 3.5 inches C. about 3.3 inches D. about 3.2 inches

louis and valentina have 60 toys to build louis builds 1/2of the toys while valentina builds 2/5 how many toys are left

Answers

Answer:

Step-by-step explanation:

Louis build 1/2 of the toy and the total of the toy is 60

Which means

1/2×60=30

Valentina build 2/5 toy

2/5×60

120/5

So to determine the amount left

It will be

Total-(Louis+Valentina)

60-(30+24)

60-(54)

60-54

So the amount left is 6

Answer:

Step-by-step explanation:

1/2 = 0.5

2/5 = 0.4

60 × 0.5 = 30

60 × 0.4 = 24

30 + 24 = 54

60 - 54 = 6

What is 3x - 20 + 40

Answers

3x-20=-40
3x=-40+20
3x=-20
X=-20/3

Solve for y?

3 3/5 + y + 5 2/3 = 15

Answers

First change them to improper fractions

3 3/5 + y + 5 2/3 = 15

3 3/5 = 18/5

5 2/3 = 17/3

now find the common denominator which would be 3 × 5 = 15

18/5 = 54/15

17/3 = 85/15

now add

(54 + 85) = 139/15

now divide

139 ÷ 15 = 9 4/15

now we need to find the missing factor

15 is our total, so now we have to subtract

15 - 9 4/15

change to improper fractions

15/1 − 139/15=

((15 × 15) − (139 × 1)) / (1 × 15) =

(225 - 139) / 15=

86/15

now divide

86 ÷ 15 = 5 11/15

Your answer is B. 5 11/15

Hope this helps. :)

Answer:

-10

Step-by-step explanation:

Louisa needs 3 liters of lemonade and punch for a picnic she has 1800 milliliters of lemonade. How much punch does she need explain how you found your answer

Answers

Louisa needs 1.2 liters or 1200 milliliters of lemonade/punch for the picnic.

In a liter, there are 1000 milliliters
In 3 liters, there are 3000 milliliters
Therefore, we can set up an equation to represent how much milliliters Louisa needs.
$3000-1800$
Solve the equation and you should get 1200 milliliters.*

*If you need the number in liters, divide 1200 by 1000 and you should get 1.2 liters

How can I figure out what is one third of $97.50

Answers

Divide $97.50 into three parts.
$97.50/3=$32.50

What is -3.9 plus 1.2?

Answers

-2.7 because -3.9 plus 1.2 is -2.7

-2.7 is the answer to this problem

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