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2 years ago

Write the following using index notation 9 x 7 x 9 x 9 x 7 x 9

1 answer:

8 0

We just have to group the like terms together. So there are 4 nines and 2 sevens.

That would make it; 9^4 x 7^2

9 to the power of 4 multiplied by 7 to the power of 2(the second power).

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Answer:

0.53333...

Step-by-step explanation:

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2 years ago

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Write the following percents as both fractions and decimals.

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The points (−3, r) and (2, 1) lie on a line with slope −2 . Find the missing coordinate r .

SVETLANKA909090 [29]

We can use point slope form to solve for this.

y - 1 = -2(x - 2)
Simplify.
y - 1 = -2x + 4
Add 1 to both sides.
y = -2x + 5

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3 years ago

The distance between Vancouver and Winnipeg is approximately 1850 km in a straight line. The distance on a map is 3.7 cm. Write

yKpoI14uk [10]

3.7cm on the map represents 1850km in reality

3.7cm : 1850km

1cm : 1850/3.7 km

1cm : 500km

Scale statement for map is : 1cm : 500km.

That is 1cm on map represents 500km.

1cm : 500km. Recall 1km = 1000m = 100 000cm

1cm : 500* 100000cm

1cm : 50 000 000cm

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2 years ago

3y - 5x = 9<br> Y= -5/3x-12<br> Are the parallel

bija089 [108]

Answer:

Both lines are not parallel

Step-by-step explanation:

Given as :

Two lines equation are as :

3y - 5x = 9 And y = - $\frac{5}{3}$ x - 12

First line is now written in eq y = mx + c

Or, 3y = 5x + 9

Or, y = $\frac{5}{3}$ x + $\frac{9}{3}$

So, Slop of this line ( m 1 ) = $\frac{5}{3}$

slop of second line ( m 2) is $\frac{- 5}{3}$

∵ The slop of both lines are not equal , so the line are not parallel to each other .

Hence Both lines are not parallel Answer

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2 years ago

Write the following using index notation 9 x 7 x 9 x 9 x 7 x 9​

Write the following using index notation 9 x 7 x 9 x 9 x 7 x 9