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3 years ago

Please Help! 50 points! answer as many questions as possible !!

Mathematics

1 answer:

const2013 [10]3 years ago

4 0

Answer:

Step-by-step explanation:

2. $10^{2}$

Word Form: the second power of ten

3. 10^4 (the same thing as number 2)

Word Form: the forth power of ten

4. 10x10x10

5. 4000

6. 900000

7. 100

8. 1000000

9. 500

10. 70000

11. 80

12. 24 x 10^4

13. 930000000

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-3x+5y=-9 and 4x+8y=12

insens350 [35]

-3x + 5y = -9

4x + 8y = 12

Simplify the second,

x + 2y = 3

Times three,

3x + 6y = 9

Add to the first equation,

11y = 0

y = 0

-3x + 5(0) = -9

x = 3

Answer: x=3, y=0

4 0

3 years ago

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What statement complete the proof below given 3x+ 7=x-5

Advocard [28]

Proof: x=-6

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3 years ago

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Jesse takes his dog and cat fort their annual vet visit.Jesse's dog weighs 23 pounds.The vet tells him his cats's weight is 5/8

Kay [80]

The cat weighs 14.375 pounds (or 230 ounces even).

Hope this helps!

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2 years ago

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In ΔABC, the measure of ∠C=90°, the measure of ∠B=64°, and BC= 6.6 Find the length of CA the nearest tenth of a foot

Marrrta [24]

Answer:

CA = 13.5

Step-by-step explanation:

tan 64 = CA/6.6

2.05 = CA/6.6

CA = 13.5

4 0

2 years ago

Write the equation of the line that passes through the points (-9, -8) and (–6,6).

sveta [45]

Answer:

Slope - intercept form $y = \frac{14}{3} x + 34$

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given points are ( -9 ,-8 ) and (-6,6)

slope of given two points

$m = \frac{y_{2} -y_{1} }{x_{2}-x_{1} } = \frac{6-(-8)}{-6-(-9)} = \frac{14}{3}$

The equation of the straight line passing through the points and having slope

$y - y_{1} = m ( x - x_{1} )$

$y - (-8) = \frac{14}{3} ( x - (-9) )$

3 y + 2 4 = 14 x + 126

3 y = 14 x + 126 - 24

3 y = 14 x + 102

$y = \frac{14}{3} + \frac{102}{3}$

$y = \frac{14}{3} x + 34$

Slope - intercept form y= mx +C

Slope - intercept form $y = \frac{14}{3} x + 34$

6 0

2 years ago

Please Help! 50 points! answer as many questions as possible !! ​

Please Help! 50 points! answer as many questions as possible !!