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lawyer [7]
3 years ago
8

Solve the inequality below. Enter your answer as an inequality, such as x < 2/3

Mathematics
1 answer:
marin [14]3 years ago
5 0

Answer:

Divide each term by -5 and simplify

Step-by-step explanation

-5/-5=1

-5/-80=16

x<16

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What value of c makes the polynomial below a perfect square?
malfutka [58]

Answer:

B

Step-by-step explanation:

x² + 9x

to complete the square

add ( half the coefficient of the x- term )² to x² + 9x

= x² + 2(\frac{9}{2} )x + (\frac{9}{2} )²

= x² + 9x + \frac{81}{4} ← the value of c

= (x + \frac{9}{2} )² ← a perfect square

6 0
2 years ago
Read 2 more answers
Shirley Smith's total insurance premium is $1,050. His employer pays 50% of the total premium. How much does Shirley pay?
allsm [11]

Answer:

$525

Step-by-step explanation:

Shirley pays the other 50%, so pays ...

0.50 · $1050 = $525

8 0
3 years ago
Solve the systems of equations using elimination
coldgirl [10]

Answer:

x=1, y=1. (1, 1). The answer is D).

Step-by-step explanation:

3x-5y=-2

4x-7y=-3

--------------

4(3x-5y)=4(-2)

-3(4x-7y)=-3(-3)

------------------------

12x-20y=-8

-12x+21y=9

--------------------

y=1

3x-5(1)=-2

3x-5=-2

3x=-2+5

3x=3

x=3/3

x=1

6 0
3 years ago
The population of bacteria can be modeled by the function below, where t represents the time since the population started decayi
Oksana_A [137]

Answer:

See Explanation

Step-by-step explanation:

The question is incomplete. I will assume the function is:

f(t) = 15(0.86)^t

Required

Determine the rate of decay

In an exponential function f(x) = ab^x,

The decay rate of the function is calculated as:

1 - r = b

By comparison:

b = 0.86

So, the equation becomes:

1 - r = 0.86

Make r the subject

r = 1 - 0.86

r = 0.14

<em>The rate of decay is 0.14</em>

3 0
3 years ago
Stacey went to six different auto repair shops to get the following estimates to repair her car.
topjm [15]

Answer:

534 is the mean.

Step-by-step explanation:

to calculate the mean you add all the numbers together (for example this set of numbers):

785, 585, 465, 409, 495, 465

=3204

then divide the number of numbers that you added together , (in this case 6)

3204/6

=

534

5 0
3 years ago
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