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3 years ago

14

On a certain day the temperature in new york city was -4 degrees celsius and the temperature in austin was 10 degrees celsius. H

ow many degrees lower was the temperature in new york city

1 answer:

Ber [7]3 years ago

6 0

+6 degrees is lower than new york

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Determine a quadratic equation, in standard form, that has the pair of root: x=-3, x=5

Mama L [17]

Answer:

$x^2 -2x -15=0$

Step-by-step explanation:

$\text{Given that, the roots are,}~ \alpha=-3 ~ \text{and}~ \beta=5 .\\\\\text{The quadratic equation with roots}~ \alpha ~ \text{and}~ \beta ~ \text{is,}\\\\~~~~~~~~x^2 - (\alpha + \beta )x +\alpha \beta = 0\\\\\implies x^2-(-3 +5) x +(-3)(5) = 0\\\\\implies x^2 -2x -15=0$

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2 years ago

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Help I will give brainliest tell me what numbers and put them in order

yarga [219]

Answer:

15, 23, 31, 39, 47

Step-by-step explanation:

y=8x+15

y=8(0)+15 = 15

y=8(1)+15 = 23

y=8(2)+15 = 31

y=8(3)+15 = 39

y=8(4)+15 = 47

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2 years ago

PLZ HELP 10 PTS!!

solniwko [45]

Answer:

Jill's best friend jumped 8/21 feet further than Jill.

Step-by-step explanation:

we have that

Jill jumped 6 1/3 feet

Jill best friend jumped 6 5/7 feet

To find out how much farther did Jill's best friend jumped, subtract the length that Jill jumped from the length that Jill best friend jumped

$6\frac{5}{7}-6\frac{1}{3}$

but first convert mixed number to improper fraction

$6\frac{5}{7}\ ft=\frac{6*7+5}{7}=\frac{47}{7}\ ft$

$6\frac{1}{3}\ ft=\frac{6*3+1}{3}=\frac{19}{3}\ ft$

substitute the values

$\frac{47}{7}-\frac{19}{3}=\frac{47*3-7*19}{21}=\frac{8}{21}\ ft$

therefore

Jill's best friend jumped 8/21 feet further than Jill.

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3 years ago

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Laine reads 25 pages in 30 minutes. If Laine reads 200 pages at this same rate, how long will it take her

tester [92]

Set up a table.

Pages | Minutes
-----------------------
25. | 30
? | 200

One way is to cross multipy.
200 x 25 = 5,000
30 x ? = 5,000

So do 5,000 divided by 30 and you get your answer

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2 years ago

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A house was sold for $300,000 and a profit of 5% was made. Determine its

lara [203]

Answer:

285,000

Step-by-step explanation:

First, you need to figure out how much was profit. Multiply 300k by .05, which should give you 15,000. Then, subtract 15,000 from 300k to get 285k. hope this helps

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2 years ago

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