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3 years ago

−4 + 9 − r − 5 in an equation

Mathematics

2 answers:

UNO [17]3 years ago

7 0

Answer:

The answer should be 9+r=9

Step-by-step explanation:

-4+9-r-5=0

do -4+(-5) which will give you -9

so, then you do 9+r-9=0

after that, with the -9, you do +9 under the -9 and where the 0 is, you put +9

that's how you get the answer 9+r=9

SVETLANKA909090 [29]3 years ago

5 0

Answer:

Deez N--utz

Step-by-step explanation:

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Sindrei [870]

Answer:

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2 years ago

Line AB contains points A (8, −4) and B (1, −5). The slope of line AB is....

shutvik [7]

Answer:

$The\ slope\ of\ the\ line\ AB\ is \frac{1}{7} .$

Step-by-step explanation:

Formula for slope

$m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}$

As the Line AB contains points A (8, −4) and B (1, −5).

Put points value in the above

$m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}$

$m = \frac{- 5- (-4)}{1 - 8}$

$m = \frac{- 5 + 4}{1 - 8}$

$m = \frac{- 1}{-7}$

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$Therefore\ the\ slope\ of\ the\ line\ AB\ is \frac{1}{7} .$

7 0

2 years ago

Read 2 more answers

The snowfall data for Resort A have an interquartile range of around 50. The snowfall data for Resort B have an interquartile ra

djverab [1.8K]

The data for resort A shows more consistency because a larger interquartile range such as the one for resort B, shows more variation. This means that the snowfall for resort A is more likely to be close to the median.

Just did this on edg. :)

3 0

2 years ago

You throw a die twice. What is the probability of throwing a number less than four and then a six?

gogolik [260]

I like the answer is c because it doubles

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2 years ago

Plane A is descending toward the local airport, and plane B is ascending from the same airport. Plane A is descending at a rate

Bas_tet [7]

Answer: 2 minutes

Step-by-step explanation:

Given the following :

Plane A's descent :

y = -2,500x + 14,000

Plane B's Ascent :

y = 4,000x + 1,000

where y = altitude x = minute

Time to be at the same altitude :

Being at the same altitude means ;

Plane A's descent = Plane B's Ascent

-2,500x + 14,000 = 4,000x + 1,000

-2500x - 4000x = 1000 - 14000

-6500x = - 13000

x = 13000 / 6500

x = 2

x = 2minutes.

5 0

2 years ago