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Tomtit [17]
3 years ago
15

(2x-1)(6x-7) multiply and simplify

Mathematics
1 answer:
alexgriva [62]3 years ago
6 0
(2x - 1)(6x - 7)
2x(6x - 7) - 1(6x - 7)
2x(6x) - 2x(7) - 1(6x) + 1(7)
12x² - 14x - 6x + 7
12x² - 20x + 7
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8÷2(2+2)=? I came up with an answer, but others have come up with different answers based on way we were taught. Would like your
shtirl [24]

Answer:

16

Step-by-step explanation:

Okey dokey my dude, here's the deal. All you have to do to answer this is use order of operations (parentheses exponents multiplication division addition subtraction).

8÷2(<u>2+2</u>)=?

//parenthesis first

8÷2(4)

//Ok here's where people will mess up. They just look at the problem and assume that you should multiply the 2 and (4) first because the 4 is in parenthesis. That's understandable, but wrong. What the equation should really look like is 8÷2·4. So you should do 8÷2 first.

<u>8÷2</u>·4=?

4·4=?

<u>16=16</u>

4 0
3 years ago
A spacecraft travels at a speed of 5 x 10^4 miles per day. How long will it travel in 1.5 x 10^2 days?
Dimas [21]

Answer:

7.5 \times 10^6 miles

Step-by-step explanation:

(5\times 10^4)\times (1.5 \times 10^2)=\\(5\times 1.5) \times (10^4 \times 10^2)=\\7.5 \times 10^6

Hope this helps!

6 0
3 years ago
Which number is bigger: 0.135 or 0.14?
Misha Larkins [42]

ofc 0.14

See

0.134 is 0.134

and 0.14 is 0.140

140> 134

.•. 0.14 is answer

6 0
2 years ago
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Arte-miy333 [17]

Answer:

28 cups

Step-by-step explanation:

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3 years ago
What is the equation for <br> 4,2 and 9,12
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