What is the take from ten strategy

Answers

Answer 1

Answer: It is like when you have the problem 15*6, you don't know how to do that mentally, unless you use the take ten strategy which would turn it into (10*6) + (5*6) so, it simplifies to (60) + (30) which is 90

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What is the sum of 6 7/8 + 4 5/8

Please help me I’m so lost

Answers

Answer:

40.6 units

Step-by-step explanation:

Arc length is given by the formula ...

s = rθ

where θ is the measure of the central angle in radians.

There are 2π radians in a circle (360°), so π radians in 180°. That can be used to convert the central angle ADB to radians for use in the formula.

∠ADB = 360° -194° = 166°

∠ADB = 166° = (166/180)π radians = 83π/90 radians

Then the arc length AB is ...

length AB = (14)(83π/90) ≈ 40.561 units

The length of arc AB is about 40.6 units.

Which of the ordered pairs in the form (x, y) is a solution of this equation?Three x minus begin fraction y over four end fraction equals eleven
(3, –8), (4, 4)

A.
The first is not a solution, but the second is.

B.
Both are solutions.

C.
The first is a solution, but the second is not.

D.
Neither is a solution.

Answers

b.

if you plug in the points you get for the first one
3(3) - (4/(-8)) = 9+2 = 11
and the second
3(4) - (4/4) = 12-1 = 11

PLEASE ANSWER ASAP! REALLY IMPORTANT! MUST BE CORRECT! POINTS GIVEN!

Answers

- 5/12 + ( - 1/4) =

Adding two negatives results in a negative

-1/4 = -3/12

-3/12 + -5/12 = -8/12

-8/12 + 3/12 < Subtract and take the sign of the BIGGER number.

8 - 3 = 5

- 5/12

Answer: - 5/12

-5/12 - 1/4 + 3/12

To add fractions, they must all have the same denominator.
Change the -1/4 to twelfths:

   -1/4 = -3/12 .

So now the problem is

   - 5/12 - 3/12 + 3/12

Notice that the -3/12 and the +3/12 knock each other out,
and all you're left with is
   - 5/12 .

What is the difference? Express your answer in lowest terms.

3/8 + 5/16 =

Answers

6/16+5/16= 11/16 since you need common denominators

the answer is .6875 i hoped this helped you

an air freshener used 3 3/4 millilitres of perfume if Wendy wanted to make 3 air fresheners how many millilitres of perfume would she use?

Answers

3 x 3 3/4 =

3 x 15/4 = 45/4 = 11 1/4 milliliters

She would use 11 and 1/4 milliliters to make the perfume. 3+3+3=9. 3/4+3/4+3/4= 2 and 1/4. 9+2 and 1/4= 11 and 1/4 milliliters:)

What is 9/21 in simplest form

Answers

3/7. You divide 9/21 by a number they can both be divisible by, which is 3. Hope it helps! :)

9 and 21's gcf is 3 so 9/3= 3 21/3=7 =3/7
9-1,3,9
21-1,3,7,21

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