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g100num [7]
3 years ago
5

Please help do these problems with work

Mathematics
1 answer:
choli [55]3 years ago
3 0
1st one #14 Is I think
y= -6x+11/2

2nd one #15 I think is
y=46-5x/7

3rdone#16 I think is
y=38-x/3

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Lana is planting a garden that is going to have an area of 432 square feet. She wants the length of the garden to be 3 times the
Pavlova-9 [17]

Answer: 108 feet

Step-by-step explanation:

Area of a rectangle = l x w

432 = 3x + x

432 = 4x

432 /4 = x: x = 108 = width

6 0
3 years ago
Hey can you please help me posted picture of question
vfiekz [6]
Common factor is such a term which can be taken out common from each term of the expression.

If you observe the given expression, 2x can be taken out common leaving the expression which cannot be factored any further.

14x² - 12x
= 2x (7x - 6)

So 2x is the common factor. The answer to this question is option C
5 0
3 years ago
Andre says 10x + 6 and 5x + 11 are equivalent because they both equal 16 when x is 1. Do you agree with Andre?​
Serga [27]

Answer:

No, They are not equivalent

Step-by-step explanation:

The two expressions are only said to be equivalent if they are the same regardless of whatever value the variable(s) is.

The variable in this question is x.

To prove this, we equate both expressions:

10x + 6 = 5x + 11

10x - 5x = 11 - 6\\\\\\5x = 5\\\\\\x = 1

This shows that they have the same value ONLY when x is 1.

This is why Andre says that they are equivalent, but they are not.

8 0
3 years ago
How long will it take you to double an amount of $500 if you invest it at a rate of 7% compounded monthly?   Round to 3 decimal
Lorico [155]

Answer:

9.931 years

Step-by-step explanation:

6 0
3 years ago
If y = 8(2. 4)* represents the number of bacteria in a culture at time t, how
andriy [413]

Answer:

21134 bacteria

Step-by-step explanation:

The given parametrs can be interpreted as:

y = 8(2.4)^t

Required

Find y when t = 9

Substitute t = 9

So:

y = 8(2.4)^9

y = 8 * 2.4^9

y = 8 * 2641.81

y = 21134.48

y = 21134 --- approximated

<em>Hence, there are 21134 bacteria</em>

7 0
3 years ago
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