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4 years ago

How Do I Multiply? Please Answer Quickly!!!

Mathematics

2 answers:

Ivanshal [37]4 years ago

4 0

Answer: say for instance 2x11

you would multiply 2x1 =2

Then multiply 2 times the other 1 which would equal 22.

Step-by-step explanation:

Yuki888 [10]4 years ago

3 0

Answer:

You just add.

3x3= 9

3+3+3=9

Step-by-step explanation:

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I will mark you brainliest if its correctly

zheka24 [161]

Step-by-step explanation:

sina = -√3/2

$\cos(a) = \sqrt{1 - { \sin(a) }^{2} }$

$= \sqrt{1 - { (\frac{ - \sqrt{ 3} }{2}) }^{2} }$

$= \sqrt{ \frac{4 - 3}{4} }$

$= \sqrt{ \frac{1}{4} }$

=±1/2

Since, π<a<3π/2

cos a = -1/2

$\tan(a )= \frac{ \sin(a) }{ \cos(a) }$

$\tan(a ) = \sqrt{3}$

OptionB

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3 years ago

Solve each system by elimination. (Need help understanding)

Tju [1.3M]

Hope this can help you

5 0

4 years ago

How to rewrite an expression using the GCF?

ArbitrLikvidat [17]

GCF is 3. Divide everything by 3 and get 1x + 4

4 0

4 years ago

Without multiplying, tell which is greater: 4/5 x 45 or 2/3 x 45. Explain.

Aloiza [94]

Answer: It is 4/5 x 45

Step-by-step explanation: Hope i helped please mark brainliest!

I know there is suppose to be no multiplying but if you mulitply in your head 4/5 x 45 is 36 and 2/3 x 45 is 30

therefore, 4/5 x 45 is greater!

also, if not multiplying 0.8(5/4) is greater than 0.667(2/3). Therefore, 4/5 is greater than 2/3.

3 0

4 years ago

Each month, Lilian spends 1/3 of her salary, saves 3/8 of the remainder and shares the rest of her salary equally among her moth

Natalija [7]

Fraction left after spending = 1 - 1/3 = 2/3

Fraction saved = 3/8 x 2/3 = 1/4

Fraction left after saving = 2/3 - 1/4 = 5/12

Fraction shared with 3 people = 5/12 ÷ 3 = 5/12 x 1/3 = 5/36

Answer: 5/36

8 0

4 years ago

How Do I Multiply? Please Answer Quickly!!!​

How Do I Multiply? Please Answer Quickly!!!