3 years ago

Pls simplify 5x + 9y - 2x - 5y

Mathematics

1 answer:

Murrr4er [49]3 years ago

6 0

The anwser if 3x + 4y

You might be interested in

You jog 3 kilometers in 12 minutes.

IgorLugansk [536]

12/3 = 4 minutes
4 minutes per kilometre
4x7=28
28 minutes

6 0

3 years ago

Read 2 more answers

Evaluate 9x^2y^−2 for x = –3 and y = 2. a)9(−6)^0 b)1/144 c)20 1/4 d)324

ziro4ka [17]

Answer:

c)20 1/4

Step-by-step explanation:

$9x^{2}y^{-2}$

If We replace x by -3 and y by 2 we get :

$9\left( -3\right)^{2} \left( 2\right)^{-2}$

Or we have :

$\left( -3\right)^{2} =9\ \text{and} \ \left( 2\right)^{-2} =\frac{1}{2^{2}} =\frac{1}{4}$

then

$9\left( -3\right)^{2} \left( 2\right)^{-2}=9\times9\times\frac{1}{4} = \frac{81}{4}$

on the other hand :

$\frac{81}{4} =\frac{80+1}{4} =\frac{80}{4} +\frac{1}{4} =20+\frac{1}{4}=20\frac{1}{4}$

6 0

2 years ago

James, Priya, and Siobhan work in a grocery store. James makes $9.00 per hour. Priya makes 20% more than James, and Siobhan make

Evgesh-ka [11]

Answer: $9.18

Step-by-step explanation: $9x.20= $1.80

$9+ $1.80= $10.80

$10.80x.15= $1.62

10.80- 1.62= $9.18

4 0

3 years ago

I NEED HELP WITH THIS:

Lena [83]

Answer:

the answer is C because its 6 times 6 times 6

3 0

3 years ago

Read 2 more answers

Please help me 7+2(5-2)=

andriy [413]

13 is the answer.
7+2(5-2)=13
PEMDAS

5 0

3 years ago

Read 2 more answers