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Crank
4 years ago
9

Help me with this algebra please:)

Mathematics
1 answer:
notsponge [240]4 years ago
3 0
-5(x+7)<-10
ok so we need to distribute the -5 into the x and 7.
-5x+-35<-10
then, we combine like terms. 
-5x+-35<-10
       +35  +35
 -5x<25
Then, we get the variable to be by itself.
-5x<25
divide by -5
x<-5 

Hope this helps! If you still don't get it, ask me.
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The boys wrestling team scored a total of 36 points. Pins are worth 6 points. Major
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Step-by-step explanation:

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Solve for x. Show each step of the solution. 4.5(4 − x ) + 36 = 202 − 2.5(3x + 28)
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3 years ago
Write the direct variation function given that y varies directly with x, and y = 1.5 when x = 5.
Cloud [144]

Answer:

y=0.3x

Step-by-step explanation:

Formula = K=\frac{y}{x}

y α x

y = kx

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We substitute these known values in the equation,

y = kx

1.5 = k5

Dividing both sides of the equation by 5 to find the value for k, we have

1.5/5= k0.3/5

Therefore,

K = 0.3

Having found the value of k,

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y = 0.3x.

The direct variation function is therefore,

y = 0.3x.

[RevyBreeze]

4 0
3 years ago
Which of the following is true of the discriminant for the graph below?
Sonbull [250]

Answer:

<u>Option C. It is zero</u>

Step-by-step explanation:

The graph represents a quadratic equation

The quadratic equation has the form ⇒a x² + b x + c

The discriminant of the quadratic equation is D = b² - 4ac

From the discriminant of the quadratic equation, we can know the type of roots of the quadratic equation.

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The roots of the quadratic equation are the x-intercepts of the function.

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So, the discriminant of the quadratic equation = 0

<u>The answer is option C. It is zero</u>

7 0
3 years ago
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