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Effectus [21]
3 years ago
5

Can someone help please?

Mathematics
2 answers:
bekas [8.4K]3 years ago
8 0

Answer:

answer is b

Step-by-step explanation:

Zina [86]3 years ago
6 0
The correct answer is b!
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Another one help! If you can
ella [17]

1.65+6.70+4.75+7

Answer should be C

8 0
3 years ago
Read 2 more answers
At the start of an experiment , there are 30 bacteria dish. The bacteria population is expected to grow at a rate of 180% each d
ehidna [41]
The problem is stated incorrectly.  It should be 7 DAYS and NOT years.

ending amount = beginning amount * (1.8)^days
7 years = 2,555 days
ending amount = 30 * 1.8^7
ending amount = 30 * <span> <span> <span> 61.2220032 </span> </span> </span>
ending amount = <span> <span> <span> 1836.660096 </span> </span> </span> or 1,837 (rounded)
answer is D.


6 0
3 years ago
Please help, you don't have to show your work. Like at all.
elixir [45]

The slope of the line is -2.

Solution:

Given points are (-3, -7) and (2, -17).

Here x_1=-3, y_1=-7, x_2=2, y_2=-17

Slope of the line:

$m=\frac{y_2-y_1}{x_2-x_1}

$m=\frac{-17-(-7)}{2-(-3)}

$m=\frac{-17+7}{2+3}

$m=\frac{-10}{5}

m = -2

The slope of the line that passes through the pair of points is -2.

3 0
3 years ago
Find the value of the polynomial 3x<br> 3 – 4x<br> 2+ 7x + 5, when x = 3 and also when<br> x = –3.
babymother [125]

Answer:

71

-133

Step-by-step explanation:

Given the polynomial :

3x³– 4x² + 7x + 5, when x = 3 and also when

x = –3.

Put x = 3

3(3)³– 4(3)² + 7(3) + 5

3(27) - 4(9) + 21 + 5

81 - 36 + 21 + 5

= 71

Put x = - 3

3(-3)³– 4(-3)² + 7(-3) + 5

3(-27) - 4(9) - 21 + 5

-81 - 36 - 21 + 5

= - 133

4 0
3 years ago
4 What is the x and y intercept of the equation y =
Aloiza [94]

Answer:

C

Step-by-step explanation:

To find the x-intercept, set y to equal 0 and solve for the equation 0=-2x-2.

2=-2x

x=-1

x-int: (-1,0)

This eliminates choices B and D.

To find the y-intercept, set x to equal 0 and solve for y.

y=-2(0)-2

y=-2

y-intercept:(0,-2)

The only choice with both these values is C.

8 0
3 years ago
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