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mars1129 [50]
3 years ago
5

Can u see #5? pls help

Mathematics
1 answer:
Pavel [41]3 years ago
3 0

Since both numbers have one digit to the left of the decimal point (and the powers of 10 are different), you can tell which is larger by looking at the powers of 10. The number on the right is larger because its power of 10 is greater. The appropriate comparison operator is ...

9.8\times 10^{4}

_____

You can convert the numbers to ones that have the same exponent, for example, 9.8×10^4 and 20×10^4. Now, you can see that 9.8 < 20.

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You collect pennies. you start with one penny and double the number of pennies you have each day for the next 27 days. how many
Rudik [331]
Imagine, at the first day you have only one penny. Then tomorrow you have 2 pennies, next day you have 4 (2x2), next day you have 8 (4x2), next day you have 16 (8x2).... and so forth.

It looks like geometric sequence isn't it? (the ratio between the number of pennies that you have from the 2nd day and the 1st day is 2)

So, by using geometric sequence theorem we can total those pennies until day-27

S (total pennies at day-27) = (1)(2^27-1) / 2-1 = 2^26 pennies

So, you have 2^26 pennies.. a big number of pennies huh?=))


{The formula is: S = a( r^n-1) / r-1
Where:
a= the number of pennies that you've got at the 1st day
n= number of days you spent to collect those pennies)
r= the ratio of the number of pennies}
7 0
3 years ago
A sailboat and a power boat leave from the same marina at the same time. The sailboat travels at 7 km/h, 14? west of south. The
GREYUIT [131]
Use the law of Cosines where
angle A = 14+22=36 degrees
side b = 6 times 7
side c = 6 times 19
So you have a triangle with 2 legs of 42 and 114 with angle A = 36 degrees between them.
The law of Cosines is then
a^2 = 42^2 + 114^2 - 2(42)(114)Cosine(36)
Solve and take the square root.
= 7012.85 taking the square root of it
= 83.74 km apart

3 0
3 years ago
Read 2 more answers
PLEASE HELP!!!!!!!!!!!!!! WILL MARK BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!
siniylev [52]

Answer:

<u>(3);  (-1/2);  (-4)</u>

Step-by-step explanation:

First, you should convert the equation into cubic form.

r(x)=(x^2+x−12)(2x+1)

<u>2x^3  +3 x^2 − 23x− 12=0</u>

Next, use the rational roots test to find the first root.

<u>(-1/2) </u>

Using the factor theorem you can find the other roots.

<u>(3)</u>    <u>(-4)</u>

4 0
4 years ago
What characteristic of a parabola can be easily identified when the factored form of a quadratic is given?
Shkiper50 [21]
D) the x intercept as you let each bracket equal to 0 to find the x coordinate 
3 0
3 years ago
The annual growth rate of energy utilization in the world was 3.5% per year in the period between 1950 and 1973. How long would
nika2105 [10]

Answer:

Good Luck!

Step-by-step explanation:

4 0
3 years ago
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