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3 years ago

Dimitri makes 6 bookcases in 8 days what is his unit rate?

Mathematics

2 answers:

azamat3 years ago

8 0

If the question is asking for simplest form, the Nasser would be 3/4. if not, it'll be 6/8.

kodGreya [7K]3 years ago

3 0

I think it would be either 6:8,or 3:4

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Your family went on a road trip and drove for 12 hours in one day. Your mom drove 5/6 of thay time. How much of the time did you

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1.2 miles I think....

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2 years ago

When is a rectangle a square?

ololo11 [35]

Answer:

I think option B i.e. when its angles are right angles.

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3 years ago

Read 2 more answers

Simplify the expression √39(√6+7)

IrinaVladis [17]

The answer that I got is 3 $\sqrt{26} + \sqrt{273}$

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3 years ago

Can someone explain this step by step please

kobusy [5.1K]

Answer:

x = - 2

y = 6

Step-by-step explanation:

The best way to do this is to put - 3x in for y in the second equation.

4x - 2(-3x) = - 20 Watch the signs. You have 2 minus signs.

4x - - 6x = -20 Change - - 6x to 6x

4x + 6x = - 20 Add

10x = - 20 Divide by 10

x = -20/10

x = - 2

============================

Find y

y = - 3x

y = -3 * -2

y = 6

3 0

2 years ago

◆ Quadratic Equations ◆<br>Please help !

Mila [183]

I'm sure there's an easier way of solving it than the way I did, but I'm not sure what it could be. Never dealt with a problem like this before.

Anyway, I just plugged in and tested. Chose random values for a, b, c, and d, which follow the rule 0 < a < b < c < d:

a = 1
b = 2
c = 3
d = 4

$\sf ax^2+(1-a(b+c))x+abc-d)$

$\sf 1x^2+(1-1(2+3))x+(1)(2)(3)-(4))$

Simplify into standard form:

$\sf x^2+(1-1(5))x+6-4$

$\sf x^2+(1-5)x+2$

$\sf x^2-4x+2$

Use the quadratic formula to solve:

$\sf x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}$

For functions in the form of $\sf ax^2+bx+c$ . So in this case:

a = 1
b = -4
c = 2

Plug them in:

$\sf x=\dfrac{4\pm\sqrt{(-4)^2-4(1)(2)}}{2(1)}$

Solve for 'x':

$\sf x=\dfrac{4\pm\sqrt{16-8}}{2}$

$\sf x=\dfrac{4\pm\sqrt{8}}{2}$

$\sf x\approx\dfrac{4\pm 2.83}{2}$

$\sf x\approx 0.59,3.41$

So the answer would be A.

3 0

3 years ago