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gulaghasi [49]
3 years ago
8

Which of the graphs below correctly solves for x in the equation −x2 − 3x − 1 = −x − 4?

Mathematics
2 answers:
Tanzania [10]3 years ago
8 0
We have 
−x²<span> − 3x − 1 = −x − 4

let 
f(x)=</span>−x² − 3x − 1
g(x)= −x − 4
the solution for
f(x)=g(x) is the intersection both graphs

using a graph tool
see the attached figure

the solution are the points
(-3,-1)
and
(1,-5)

AleksAgata [21]3 years ago
6 0

Answer:

(-3,-1) and (1,-5)

Step-by-step explanation:

Given : -x^2 -3x - 1 = -x -4

Let f(x)= -x^2-3x-1

Let g(x)=-x-4

Plot these graphs using graphical tool .

The intersection point of these two equations will be the solution .

Refer the attached graph.

Thus the intersection points are (-3,-1) and (1,-5)

So, the solution is (-3,-1) and (1,-5)

Thus the graph which gives the correct solution is attached below.

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nignag [31]

Answer:

20 cm

Step-by-step explanation:

So from the problem we get that the two sides of the rctangle are 16 cm 12 cm which are base perpendicular of the right angle triangle. H = 20 cm. So the diagonal of the rectangle = 20 cm.

7 0
3 years ago
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Saul makes green paint by mixing blue paint and yellow paint.
Mamont248 [21]

Answer:

12 gallons of yellow paint

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Step-by-step explanation:

saul’s paint ratio is 3b to 1y which makes 4ounces of paint total (3b+1y=4)

So if you want 16 gallons of paint total using the same ratio of colors then you need to figure out how many of the recipe you will need to put in by dividing

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Now multiply the original paint numbers by 4 since you will do the ratio 4 times

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Hope this helps! :)

5 0
2 years ago
Evan was broke didn't he got his weekly allowance but because he has a hard time saving money he spent half his weekly allowance
grin007 [14]

Answer:

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Step-by-step explanation:

Let his weekly allowance = x

Amount spent playing golf = x / 2

Amount earned for cleaning car = $4

Final amount at hand = $12

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8 0
3 years ago
A circle has a diameter of 16 cm. What is its circumference?
Olegator [25]

Answer:

the answer is 50.27 cm for your question

8 0
3 years ago
12x+5=4x+37<br>please help with this​
hammer [34]

Answer:

x = 4

Step-by-step explanation:

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8x = 32, next divide 8 from both sides

x = 4

4 0
3 years ago
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