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Shkiper50 [21]
2 years ago
5

Explain the strategy you would use to solve the following equation without a model. You can write out the fraction names or use

the forward slash (/) on your keyboard to represent the fraction bars.
two and one fourth minus one and three fourths equals
Mathematics
2 answers:
adell [148]2 years ago
5 0
The answer should be 1/2
Artist 52 [7]2 years ago
4 0

Answer:

1/2

Step-by-step explanation:

2 1/4 - 1 3/4 Because the denominator are already the same, all you have to do is make it a mixed number and subtract. To do that you multiply the whole number to the denominator and add that new number to the numerator. So you would then have.

9/4 - 7/4

Keep the denumerator the same and subtract the numerators.

2/4

Then simplify

1/2

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One side of a cube has a length of 4. What is the volume of that cube?
Gemiola [76]

Answer: 64 sq in.

v=b times h times w

v=4 times 4 times 4= 64 sq inches

3 0
2 years ago
PLEASE HELP I DONT UNDERSTAND 40 POINTS
fomenos

Answer:

a. reflection over y axis, then reflection over x-axis

b. xy=qh, xz=qj, yz=jh

c.Both triangles are congruent because all of the sides are congruent

Step-by-step explanation:

8 0
3 years ago
The following octagon is formed by removing four congruent right triangles from a rectangle. What is the total area of the octag
rewona [7]
To find the total area of the octagon you can find the area of the rectangle that is created by the entire figure and subtract the areas of the four congruent right triangles.

(10 cm x 6 cm) - [4(1/2 x 2 x 2)]
60 cm² -8 cm² = 52 cm²

The total area of the octagon is 52 cm².
7 0
3 years ago
Read 2 more answers
That’s the number is written in standard scientific notation?
Nata [24]

Option D: 3.47*10^-7 is the correct answer

Step-by-step explanation:

In order to determine the number written in standard scientific notation, first of all we have to understand how the scientific numbers are written

the scientific numbers are written in the form of:

a*10^n

Here

a is a number between 1 and 10 while the value of n can be only integer (positive or negative)

so,

In the given options:

Option A has a number larger than 10 in place of a so it is not in standard notation

Option B has a number less than 1 in place of a  so it is also not in standard notation

Option C has a number larger than 10 in place of a so it is not in standard notation

Option D is in standard scientific notation as 1<3.47<10 and the power of 10 is integer

Hence,

Option D: 3.47*10^-7 is the correct answer

Keywords: Scientific notation, exponents

Learn more about scientific notation at:

  • brainly.com/question/846474
  • brainly.com/question/833559

#LearnwithBrainly

6 0
3 years ago
Can you help please thank you
Nostrana [21]

Counterclockwise is a rotation towards the left, as in the triangle will move to the position before it.

The correct answer is the fourth option, triangle DEF.

Hope this helps! :)

3 0
3 years ago
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