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Rus_ich [418]
3 years ago
9

What is 43,000 in scientific notation?

Mathematics
1 answer:
ki77a [65]3 years ago
6 0
43,000 in scientific notation is 4.3 x 10^4
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The following table shows a proportional relationship between mmm and nnn.
Marina CMI [18]

Answer:

70707mmm = 111nnn

Step-by-step explanation:

Using the basic equation of a line:

y = mx + c;. where m is slope and c is intercept on y axis.

Let mmm = y and nnn = x

(i) 333 = 212121m + c

(ii) 555 = 353535m + c

Making c the subject of the formula in both (i) and (ii)

c = 333 - 212121m = 555 - 353535m

353535m -212121m = 555 - 333

141414m = 222

m = 111/70707

Substitute in (i) above

c = 333 -333 = 0

Hence; y = 111/70707x + c

Finally, mmm = 111/70707 nnn

i.e. 70707mmm = 111nnn

Hope this helps.

5 0
3 years ago
Read 2 more answers
a rectangle has an area that is represented by 9x²-4. the length of the rectangle is 3x-2. what is the width?
PSYCHO15rus [73]

Step-by-step explanation:

the area is

length × width

(3x - 2) × width = 9x² - 4

to find width we could do a real polynomial division or simply recognize the fact that

(a + b)(a - b) = a² - b²

and we see that in our area calculation we are missing the (a + b) factor.

so, width = (3x + 2)

but if you want the division :

9x² - 4 : 3x - 2 = 3x + 2

- 9x² - 6x

-----------------

0 6x - 4

- 6x - 4

----------------------

0 0

again, width = (3x + 2)

6 0
2 years ago
Someone please HELP!?
jeka94
 A negative exponent just means that the base is on the wrong side of the fraction line, so you need to flip the base to the other side.

For example

x^{-2}=\frac{1}{x^2}

or

( \frac{2}{5} )^{-4}=( \frac{5}{2} )^4

***************************************
(8r^{-5})^{-3}

(8* \frac{1}{r^5} )^{-3} \\\\( \frac{8}{r^5} )^{-3}
 \\  \\ ( \frac{r^5}{8} )^3
\\\\ \mathrm{Apply\:exponent\:rule}:\quad *\left(\frac{a}{b}\right)^c=\frac{a^c}{b^c} \ \ \ \ \ \ \ \ \ \ \ \   *(a^b)^c=a^{bc}
 \\\\( \frac{r^{15}}{8^3} )
\\\\( \frac{r^{15}}{512} )

The answer is "D"


7 0
2 years ago
Describe the transformation f(x) = Vx+ 1 - 5 in words.
ivanzaharov [21]

Answer:

The translation is 1  unit to the left and  5 units down

Step-by-step explanation:

The explanation is given below;

Given that

The transform function is f(x) = \sqrt{x+1} - 5

It can be seen that

The parent function is

f(x) = \sqrt{x}

After that

The parent function would be transform 1 units to the left \sqrt{x+1}

And afterwards it would be transform in 5 units down \sqrt{x+1} - 5

So

The parent function f(x) = \sqrt{x} would be  translate in 1  unit to the left and  5 units down

4 0
2 years ago
Read 2 more answers
Mrs. Baker paid $2.50 for 5 pounds of bananas. Write an equation relating to the cost to the number of pounds of bananas. How mu
tensa zangetsu [6.8K]
The equation is 2.50÷5=x
2.50÷5=.50
Mrs. Baker paid $2.50 for 5 pounds of bananas
If x=.50 per banana
Then to get the cost of 8 bananas, you would do 8×.50=$4.00
Mrs. Baker paid $4.00 for 8 pounds of bananas
Each banana costs .50 cents per pound


6 0
3 years ago
Read 2 more answers
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