3 years ago

2(3+9x) answer this for me plz lol

Mathematics

2 answers:

lianna [129]3 years ago

8 0

Answer:

Step-by-step explanation:

if were trying to simplify it it would be 6+18x

Gre4nikov [31]3 years ago

4 0

Answer:

6+18x

Step-by-step explanation:

You typically would use PEMDAS in this situation but in the parenthesis, you can't add the 3 and the 9x together, so you just skip to 2*3 and 2*9x

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A/b=2/5 and b/c=3/8 find a/c

m_a_m_a [10]

Answer:

$\frac{a}{c}$ = $\frac{3}{20}$

Step-by-step explanation:

$\frac{a}{c}$ = $\frac{a}{b}$ × $\frac{b}{c}$ = $\frac{2}{5}$ × $\frac{3}{8}$ = $\frac{6}{40}$ = $\frac{3}{20}$

3 0

2 years ago

A building is 200ft long and 140 ft wide a 1/500 model is built of the building how long and how wide is the model?

Katena32 [7]

Let's start with the length. All you need to do is multiply is by 1/500.
You could also find the decimal equivalent to 1/500.
1/500= .002
200×.002= .4
So length of the model is .4 ft.
The width:
.002×140=.28
The width of the model is .28 ft.
The length of the model is .4 ft and the width of the model is .28 ft.

4 0

3 years ago

One cell phone plan charges 20$ per month plus$0.15 per minute used.

maw [93]

So for the first one... Let's just use x for months and m for minutes.

(20m)+(.15m)

20 times the number of months plus .15 times the number of minutes

Same for the next one

(35x)+ (.10m)

35 times the number of months +.10 times the minutes.

7 0

3 years ago

Read 2 more answers

A pack of five basic solid T-shirts costs $29.95 in a store. The sales tax where they are sold is 7.75%. What is the unit cost o

Anna71 [15]

Answer:

6.45

Step-by-step explanation:

29.95+7.75%=32.27

32.27/5

6.45

3 0