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3 years ago

Please show steps as to how you solve the problem. (it's important. Please!) Simplify (3x3y5)4

Mathematics

1 answer:

Otrada [13]3 years ago

5 0

Your Answer: 34x12y20

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2<br> X-4y/2 if x=4 and y=-3

Dahasolnce [82]

Step-by-step explanation:

Sub in your values

4-4(-3)/2

=4 + 12 /2

=4+ 6

=10

3 0

3 years ago

Pls help i want it now

larisa86 [58]

Answer:

18kg is the correct answer

5 0

3 years ago

Lucy had 3 2/3 gal of paint. After painting a room she had 1 1/4 gal left how many gallons of paint did Lucy use to paint a room

garik1379 [7]

Answer:

$2 \frac{5}{12}$

gallons of paint was used by Lucy.

Step-by-step explanation:

$3\frac{2}{3} - 1\frac{1}{4} = \frac{44}{12} - \frac{15}{12} = \frac{29}{12}$

29/12 = 2 5/12

7 0

3 years ago

Help!!!! Question is attached in photo

goldfiish [28.3K]

ANSWER

$\tan( \alpha ) + \tan( \beta )$

EXPLANATION

The given identity is

$\frac{ \sin( \alpha + \beta ) }{ \cos( \alpha ) \cos( \beta ) }$

We expand the numerator to get:

$= \frac{ \sin\alpha \cos\beta + \sin\beta \cos \alpha }{ \cos( \alpha ) \cos( \beta ) }$

Split the numerator to obtain:

$= \frac{ \sin\alpha \cos\beta }{ \cos( \alpha ) \cos( \beta ) } + \frac{ \sin\beta \cos \alpha }{ \cos( \alpha ) \cos( \beta ) }$

Cancel the common factors:

$= \frac{ \sin\alpha }{ \cos( \alpha ) } + \frac{ \sin\beta }{ \cos( \beta ) }$

This simplifies to give us;

$= \tan( \alpha ) + \tan( \beta )$

The second choice is correct

3 0

4 years ago

Please can anyone help me with this math problem?

scoundrel [369]

Answer:

Answer A

Step-by-step explanation:

$\frac{2}{3}(5)\\\\\frac{10}{3}$

Put it in a mixed number form.

8 0

3 years ago