2 years ago

What is the slope of the line? PLEASE HURRY

Mathematics

1 answer:

SSSSS [86.1K]2 years ago

6 0

Answer:

Step-by-step explanation:

rise/run. up 3 and over 4. so your slope is 3/4

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Marie has a part time job. She earns $7 an hour. She makes at most $143.50 per week. What is the greatest number of hours that s

Troyanec [42]

We can divide 143.50 by 7. This gives us 20.5. This means that she works 20.5 hours a week or 21 hours if you round up.

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3 years ago

Solve x2 + 6x + 7 = 0.

docker41 [41]

Answer:

x= -7/8

Step-by-step explanation:

8x + 7 = 0

8x + 7-7 = 0-7

8x=-7

8x/8x = -7/8

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3 years ago

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It's going to be Lindsay's birthday soon, and her friends Sandy, Jay, and Hakeem have contributed equal amounts of money to buy

avanturin [10]

Each individual contributed $x
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3 years ago

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Model Exponential Growth Question :A sample of bacteria is growing at a continuously compounding rate. The sample triples in 10

Iteru [2.4K]

Answer:

The number of bacteria $B$ after $d$ days is given by

$B = B_0 (3)^{\frac{1}{10} d}$

where $B_0$ is the initial number of bacteria.

Step-by-step explanation:

The number of bacteria $B$ in the sample triples every 10 days, this means after the first 10th day, the number of bacteria is

$B = B_0 *3,$

where $B_0$ is the initial number of bacteria in the sample.

After the 2nd 10th days, the number of bacteria is

$B = (B_0 *3)*3$

after the 3rd day,

$B =( B_0 *3*3)*3$

and so on.

Thus, the formula we get for the number of bacteria after the <em>n</em>th 10-days is

$B = B_0 (3)^n$

where $n$ is is the <em>n</em>th 10-days.

Since, $n$ is 10 days, we have

$d =10n$

$n =\dfrac{1}{10}$

Substituting that into $B = B_0 (3)^n$ , we get:

$\boxed{ B = B_0 (3)^{\frac{1}{10} d}}$

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3 years ago

Evaluate the following expression when x = -5 and y = 25.

antoniya [11.8K]

Answer:

Step-by-step explanation:

5÷5x and 25÷5

1 × 5

your answer is 5

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3 years ago