3 years ago

So if i have a 100.5% in a class and i don’t do a 10% project, what does that leave my grade at ?

Mathematics

2 answers:

ch4aika [34]3 years ago

6 0

Answer:

90.45

Step-by-step explanation:

LenKa [72]3 years ago

5 0

Answer:

I guess it would be 90.5 percent

Step-by-step explanation:

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Graph the line given by x+y=-2 and the quadratic curve given by y=x²-4. Find all solutions to the system of equations. Verify yo

ycow [4]

Answer:

(1,-3) and (-2,0)

Step-by-step explanation:

$x+y=-2$

$y=x^2-4$

Applying the second equation to the first

$x+x^2-4=-2\\\Rightarrow x+x^2-4+2=0\\\Rightarrow x^2+x-2=0$

Solving the equation we get

$x=\frac{-1+\sqrt{1^2-4\cdot \:1\left(-2\right)}}{2\cdot \:1}, \frac{-1-\sqrt{1^2-4\cdot \:1\left(-2\right)}}{2\cdot \:1}\\\Rightarrow x=1, -2$

When x = 1

$y=-2-1\\\Rightarrow y=-3$

When x = -2

$y=-2-(-2)\\\Rightarrow y=0$

So, the line and curve will intersect at points (1,-3) and (-2,0)

5 0

2 years ago

Solve. Use the basic percent equation. 212.5 is 85% of what?

uranmaximum [27]

Answer:

250

Step-by-step explanation:

85% · n = 212.5

[convert 85% to .85]

.85n = 212.5

n = 212.5/.85

n = 250

6 0

3 years ago

OMG FREE BRAINLIEST HURRY UP

solniwko [45]

Me please

thanks so much btw, haha

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2 years ago

Read 2 more answers

HELP ME PLEASE I need it

nadezda [96]

The answer should be
f=1/5 x^2 + -2/5x

6 0

2 years ago

Which statement best explains why the graphed relation is not a function?

timurjin [86]

C. A function can only have one y value for an x value

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2 years ago