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Licemer1 [7]
3 years ago
11

How is 0.0000267 written in scientific notation

Mathematics
2 answers:
Nataly_w [17]3 years ago
7 0

Answer: 6.7*10^-5

Step-by-step explanation:

Mandarinka [93]3 years ago
6 0

Answer:

-5

2.67x10

Step-by-step explanation:

that's the answer brainliest plsss

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What is the volume of this composite solid?​
vlada-n [284]

Step-by-step explanation:

5×9×12=540

6×9×12÷2=324

324+540=864

5 0
2 years ago
Read 2 more answers
Marcus needs to bike at least 80 miles this week for his training if he already has 25 miles this week then how many miles shoul
nadezda [96]

Answer: 55 miles

Step-by-step explanation: Marcus goal is 80 miles for the week. he has already completed 25 miles of that goal so you would subtract 25 from 80 then you would find the miles still left

80-25=55

6 0
3 years ago
2x^2=9-3x <br> Find the factors
d1i1m1o1n [39]

Answer:

x = -3, $ \frac{3}{2} $

Step-by-step explanation:

The given quadratic equation is: $ 2x^2 = 9 - 3x $

This can be written as: $ 2x^2 + 3x - 9 = 0 $

To solve a quadratic equation of the form $ ax^2 + bx + c = 0 $ we use the formula:

           $ x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a} $

Here, a = 2; b = 3; c = - 9

Therefore, the roots of the equation are:

$ x = \frac{- 3 \pm \sqrt{9 - 4(2)(-9)}}{2(2)} $

$ \implies x = \frac{-3 \pm \sqrt{81}}{4} $

$ \implies x = \frac{-3 \pm 9}{4} $

We get two values of 'x', viz.,

x = $ \frac{-3 + 9}{4} $ and $ \frac{- 3 - 9}{4} $

$ \implies x = \frac{6}{4} \hspace{5mm} \& \hspace{5mm} \frac{-12}{4} $

⇒ x = -3, 3/2

Since the factors of the quadratic equation is asked, we write it as:

(x + 3)(x - $ \frac{3}{2} $) = 0

because, if (x - a)(x - b) are the factors of a quadratic equation, then 'a' and 'b' are its roots.

Multiply (x + 3) and (x - $ \frac{3}{2} $ to see that this indeed is the given quadratic equation.

5 0
3 years ago
Help a brother out #2
valentinak56 [21]

Answer:

He is αβ 60° and 30° i need some in my answers 5 brain list answers

5 0
2 years ago
Combine like terms 7a - a+ 16 = ?
dexar [7]
6a+16

Explanation:
If there's just a variable, there's an understood 1 in front of it. So what that really says is:

7a-1a+16

So, you combine the a's. 7a minus 1a is 6a. Same as 7-1,but you have a variable stuck on the end of it.

6a+16

:^)
4 0
3 years ago
Read 2 more answers
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