3 years ago

Whole Number Integer Rational Number Irrational Number Natural Number

Mathematics

1 answer:

Degger [83]3 years ago

5 0

Answer:

integer

Step-by-step explanation:

please mark me as brainlest

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Questione Simplify Cosa + 2Cos(a +240")

melamori03 [73]

Step-by-step explanation:

$\cos(a) + 2 \cos(a + 240)$

$\cos(a) + 2 \cos(a) \cos(240) - \sin(a) \sin(240)$

$\cos(a) + 2( - \frac{ \cos(a) }{2} + \frac{ \sqrt{3} }{2} \sin(a) )$

$\cos(a) - \cos(a) + \sqrt{3} \sin(a)$

$\sqrt{3} \sin(a)$

If you graph the new identity, and the og identiy, they will be conciding graphs, so they are the same identity.

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3 years ago

Lisa's weekly pay increases from $525 to $546<br> Calculate her percentage pay increase.

Lana71 [14]

546 - 525 = 21

21 is 4% of 525.

Lisa gained a 4% pay increase.

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3 years ago

Solve the following equation with rational coefficients

umka21 [38]

Answer:

I think its x=48

Step-by-step explanation:

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3 years ago

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Karleigh walks 5/8 mile to school every day . How far does she walk to school in 5 days

ziro4ka [17]

Hello, thanks for using Brainly!

First, our equation is: $5/8$ x $5 = 25/8.$

Our first step is to simplify.

When you simplify you get 3 1/8.

This is another way you can get it: (Multiply across. )

$Number$ $of$ $the$ $miles = \frac{5}{8}$ $5 = \frac{25}{8} = 3\frac{1}{8}$

Enjoy your day.

8 0

3 years ago

Solve:<br>p+ 7- 5= -10 - 3<br>please use an explanation so I know how to do this next time pleaasee

skelet666 [1.2K]

Answer:

P = - 15

Step-by-step explanation:

P+7-5 = -10 - 3

P +2 = - 13

(If taking from one side,you must do to the other to get P alone.)

P+2 = - 13

-2 = - 2

The positive 2, minus the negative 2 cancels each other out, now we must subtract 2 from our other side. - 13 - 2 = - 15

P = -15

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3 years ago