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nika2105 [10]
4 years ago
6

How to divide fractions with different denominators?

Mathematics
1 answer:
Debora [2.8K]4 years ago
8 0
"Keep, change, flip"

Keep the first fraction, change the division sign into multiplication, then flip the second fraction... Then multiply

For example, 
\frac{1}{2}   /   \frac{1}{4}

keep, change, flip

\frac{1}{2} *  \frac{4}{1}

That will result in \frac{4}{2}  or simplified: 2
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For some reason it says square but please help! I need to know step by step what to do.
quester [9]

Answer:

8.06 inches

Step-by-step explanation:

The diagram shows a rectangle with width of 4 inches and area of 28 square inches.

Use area formula:

A_{\text{rectangle}}=\text{Width}\times \text{Length}

So,

28=4\times \text{Length}\Rightarrow \text{Length}=\dfrac{28}{4}=7\ \text{inches}

By the Pythagorean theorem,

\text{Diagonal}^2=\text{Width}^2+\text{Length}^2\\ \\\text{Diagonal}^2=4^2+7^2\\ \\\text{Diagonal}^2=16+49\\ \\\text{Diagonal}^2=65\\ \\\text{Diagonal}=\sqrt{65}\approx 8.06\ \text{inches}

7 0
3 years ago
What is 17.5 times 2.48 show ur work (like this heres an example)
crimeas [40]
I multiplied 17.5 times 2.48 and got 43.4
3 0
3 years ago
Which expression is equivalent to 7p + 8+ p + 6 - 4p?
Vanyuwa [196]

Answer:

the answer is A)

Step-by-step explanation:

combine like terms

4p+14

a=

2x2p+2x7

hope this helps

6 0
3 years ago
Write each complex number in rectangular form.
hram777 [196]
Hello,

A)
cos 135°=- cos 45°=-√2/2
sin 135°=sin45°=√2/2
2(cos 135°+i sin 135°)=-√2 + i*√2

B)
cos 120°=-cos 30°=-√3 /2
sin 120°=sin 30°=1/2

3(cos 120° + i sin 120)=-3/2*√3 +i*3/2

C)
cos (5π/4)=-cos (π/4)=-√2 /2
sin (5π/4)= -sin(π/4)=-√2 /2
5(cos (5π/4)+i sin (5π/4))=-5/2*√2 +i *5/2*√2

D)
cos(5π/3)=cos(π/3)=√3 /2
sin (5π/3)=-sin(π/3)=-1/2

4(cos(5pi/3)+i sin (5pi/3))
=2√3- 2*i


4 0
3 years ago
Klaus Klawn has kept track of his algebra test scores and recorded them in the table below.
Anna11 [10]

Answer:

Domain : {3, 1, 2, 4, 6, 5}

Step-by-step explanation:

Domain of a function is always defined by the input values (x-values).

Similarly range of any function is defined by the output values (y-values).

From the table given in this question,

Units given in the table will define the domain of the data.

Therefore, domain will be the set of numbers {3, 1, 2, 4, 6, 5}.

5 0
3 years ago
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