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Vitek1552 [10]
3 years ago
11

-7d - 3 = 11what's the answer please ​

Mathematics
2 answers:
igomit [66]3 years ago
8 0

Answer:

d = -2

Step-by-step explanation:

-7d - 3 = 11

-7d = 11 + 3

-7d = 14

d = 14/-7

d = -2

hope it helps!

Naily [24]3 years ago
5 0

Answer:

-2

Step-by-step explanation:

add 3 to 11 and then divide 14 by -7

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F(x)=20/4+3e−0.2x
sdas [7]

Answer:

12.6

Step-by-step explanation:

Given the function, F(x)=20/4+3e−0.2x

Where e is an exponential function,

To get f(3), we need to substitute x = 3 into the given function

F(3) = 20/4 + 3e - 0.2(3)

f(3) = 5 + 3e - 0.6

f(3) = 4.4+3e

Substituting the value of e = 2.718

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f(3) = 12.554

f(3) = 12.6 to the nearest tenth.

8 0
3 years ago
What is an equation of the line that passes through the point (−3,−1) and is perpendicular to the line x-2y=6?
gogolik [260]

Answer:

y = 2x+5

Step-by-step explanation:

rearrange the equation to make y the sof

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to find gradient of perpendicular line

1/2 ÷ ( - 1 )

y = -2x + c , the replace the coordinates (-3,-1)

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5 0
3 years ago
Leonardo wrote an equation that has an infinite number of solutions. One of the terms in Leonardo’s equation is missing, as show
Lady bird [3.3K]

Let us suppose missing term is y

so it becomes - ( x-1) + 5 = 2 ( x+3) - y

let us now try solving it for x ( in terms of y )

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but x is given to be infinite . let us try placing y= the given options

x= x/3 which is not possible

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x= 1/3 which is a finite value

x= 5/3 again a finite value

so it is only y= 3x which could be the answer

Answer : option second that is 3x

6 0
3 years ago
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I am Lyosha [343]

Answer:

2/10 * 20 = 4.

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6 0
3 years ago
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Last week, Becky went to dance class 4 times. Each class was 3/2 hours.
Soloha48 [4]

last week because, the class that week was only 1 hour and last weeks was 3/2 an hour

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3 years ago
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