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2 years ago

Oscar scored a 45/50 on his most recent test what percent of the problems did oscar get correct?

Mathematics

1 answer:

mash [69]2 years ago

7 0

Answer:

The answer is 90%

Step-by-step explanation:

45/50 x 100=90

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The diagram shows. LOOK AT THE PIC.<br>pls help me.

Reptile [31]

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The perimeter of the shaded region is 267.8 m ( approximately)

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2 years ago

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The slope of the tangent line to the curve x^3y+y^2-x^2=5 at the point (2,1) is

zheka24 [161]

Answer:

-4/5

Step-by-step explanation:

To find the slope of the tangent to the equation at any point we must differentiate the equation.

x^3y+y^2-x^2=5

3x^2y+x^3y'+2yy'-2x=0

Gather terms with y' on one side and terms without on opposing side.

x^3y'+2yy'=2x-3x^2y

Factor left side

y'(x^3+2y)=2x-3x^2y

Divide both sides by (x^3+2y)

y'=(2x-3x^2y)/(x^3+2y)

y' is the slope any tangent to the given equation at point (x,y).

Plug in (2,1):

y'=(2(2)-3(2)^2(1))/((2)^3+2(1))

Simplify:

y'=(4-12)/(8+2)

y'=-8/10

y'=-4/5

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2 years ago

Sweaters are $3 for $50. Leslie and her mother spent $100 on sweaters. How many did they buy

inn [45]

Answer:

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2 years ago

-6(-6x + 1) plz answer

m_a_m_a [10]

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36x - 7

Step-by-step explanation:

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One half liter of lemonade concentrate is added to 3 liters of water. how many one thirds liter servings of lemonade are made.

uysha [10]

So, 3 liters of water, add 1/2 liter of lemonade, that's 3 and 1/2 liters of lemonade.

so in short, how many times does 1/3 go into 3 and 1/2?

let's change the mixed to "improper" and divide then.

$\bf \stackrel{mixed}{3\frac{1}{2}}\implies \cfrac{3\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{7}{2}}\\\\
-------------------------------\\\\
\cfrac{\quad \frac{7}{2}\quad }{\frac{1}{3}}\implies \cfrac{7}{2}\cdot \cfrac{3}{1}\implies \cfrac{21}{2}\implies 10\frac{1}{2}$

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3 years ago

Oscar scored a 45/50 on his most recent test what percent of the problems did oscar get correct?​

Oscar scored a 45/50 on his most recent test what percent of the problems did oscar get correct?