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3 years ago

How many positive 2 digit numbers are not divisible by 6

Mathematics

1 answer:

lana [24]3 years ago

4 0

Answer:

10, 14, 16, 20, 22, 26, 28, 32, 34, 38, 40, 44, 46, 50, 52, 56, 58, 62, 64, 68, 70, 74, 76, 80, 82, 84, 86, 90, 92, 96, 98

Step-by-step explanation:

Basically you find 6, your least common denominator. Plug that into the next highest value, (starting at 10 would be 12), and those are the numbers you won't be able to use. If you want a faster way of doing this, take every even number 10-99 and put it in a calculator, divide by 6. If it is a decimal then those will be in your awnser, if its a whole number, that will not be your awnser. Hope this isn't too confusing and good luck!

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Ana drew a map of the Panama Canal. In the scale Ana used for the map 4 centimeters represents 20 kilometers. The actual length

Serga [27]

the length in centimeters of the Panama Canal on Anas map is $16.4cm$ .

Step-by-step explanation:

Here we have , Ana drew a map of the Panama Canal. In the scale Ana used for the map 4 centimeters represents 20 kilometers. The actual length of the Panama Canal is 82 kilometers. We need to find What is the length in centimeters of the Panama Canal on Anas map . Let's find out:

In the scale Ana used for the map 4 centimeters represents 20 kilometers , that means for 4 cm we have 20 km , So for 1 km we have :

⇒ $\frac{4}{20}cm$

⇒ $\frac{4(5)}{20(5)}cm$

⇒ $\frac{20}{100}cm$

⇒ $0.2cm$

Hence , for 82 km we have :

⇒ $0.2cm(82)$

⇒ $(82(0.2))cm$

⇒ $16.4cm$

Therefore , the length in centimeters of the Panama Canal on Anas map is $16.4cm$ .

5 0

4 years ago

1/2-1/4 is equal to

nignag [31]

Step-by-step explanation:

1/2 -1/4

2*4-1*1/4

=1/4.

1/4is answer

3 0

3 years ago

Read 2 more answers

Write a division expression that has a negative solution.

Anon25 [30]

Answer:

3/-3=-1

Step-by-step explanation:

any number divided by a negative number gives a negative answer

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3 years ago

Find the distance between the points (5,-6), (-3,12)

grigory [225]

Answer:

$\displaystyle d = 2\sqrt{97}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)

Algebra II

Distance Formula: $\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

Point (5, -6)

Point (-3, 12)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d

Substitute in points [Distance Formula]: $\displaystyle d = \sqrt{(-3-5)^2+(12+6)^2}$
[√Radical] (Parenthesis) Subtract/Add: $\displaystyle d = \sqrt{(-8)^2+(18)^2}$
[√Radical] Evaluate Exponents: $\displaystyle d = \sqrt{64+324}$
[√Radical] Add: $\displaystyle d = \sqrt{388}$
[√Radical] Simplify: $\displaystyle d = 2\sqrt{97}$