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3 years ago

9

For her literature course, Rachel has to choose one novel to study from a list of four, one poem from a list of six and one shor

t story from a list of five. How many different choices does Rachel have?

1 answer:

spayn [35]3 years ago

7 0

Sorry rn I just need points to ask a question sorry

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Please help meeeeeeee

statuscvo [17]

Answer:

67

Step-by-step explanation:

I don car e dry because I debt

8 0

2 years ago

K=2LM + 2LN. Solve for L

AlladinOne [14]

L = 0 bcause it cancels itself out

4 0

2 years ago

Read 2 more answers

A dolphin is swimming to the surface of the ocean while at the same time a bird is flying towards the surface of the ocean. The

maksim [4K]

They are at the same position at 0.5 seconds because with respect to the ocean's surface, they are both 9 feet away.

Hope this helps!!

5 0

2 years ago

Read 2 more answers

Solve the simultaneous equation y-2x+1=0 and 4x^2+3y^2-2xy=7

Lapatulllka [165]

The first equation is $y-2x+1=0$

$y=2x-1$ (Equation 1)

The second equation is $4x^{2}+3y^{2}-2xy=7$ (Equation 2)

Putting the value of x from equation 1 in equation 2.

we get,

$4x^{2}+3(2x-1)^{2}-2x(2x-1)=7$

$4x^{2}+3(4x^{2}+1-4x)-4x^{2}+2x=7$

by simplifying the given equation,

$12x^{2}-10x-4=0$

$6x^{2}-5x-2=0$

Using discriminant formula,

$D=b^{2}-4ac$

$D=25-4 \times 6 \times -2 = 73$

Now the formula for solution 'x' of quadratic equation is given by:

$x=\frac{-b+\sqrt{D}}{2a} and x=\frac{-b-\sqrt{D}}{2a}$

$x=\frac{5+\sqrt{73}}{12} and x=\frac{5-\sqrt{73}}{12}$

Hence, these are the required solutions.

8 0

3 years ago

Use Inverse operations to solve the expression. Enter your answer in simplest form. y 1 =8 16

vredina [299]

So we are trying to get the “y” alone, so to undo the division by -8, we will multiply both sides by -8, then simplify.

(-8) y/(-8) = (-8) 1/16

y = -8/16

and simplified:

y = -1/2

7 0

3 years ago