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3 years ago

Solve the equation. 8d – 4d – 6d – 8 = 2d

Mathematics

2 answers:

nlexa [21]3 years ago

6 0

Answer:

d=-8

Step-by-step explanation:

8d-4d=4d

4d-6d=-2d

-2d-8=2d

-8=d

d=-8

Ronch [10]3 years ago

4 0

Answer:

d = -4

Step-by-step explanation:

8d-4d-6d-8=2d

-2d - 8 = 2d

-2d = 2d + 8

-4d = 8

d = -4

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2 years ago

7w-(2+w)=2(3w-1) solve for w

Dafna1 [17]

Steps:

7w - 2 + w = 2(3w - 1)

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3 years ago

Find the set of values of k for which the equation 2x2 - 10x + 8 = kx has no real root

Masja [62]

Answer: k= -10x+12

Step-by-step explanation:

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3 years ago

What is the quotient? Negative StartFraction 3 over 8 EndFraction divided by negative one-fourth

anyanavicka [17]

Answer:

$\dfrac{3}{2}$

Step-by-step explanation:

We are given 2 fractions.

1st fraction is Negative StartFraction 3 over 8

i.e.

$-\dfrac{3}{8}$

2nd fraction is negative one-fourth

i.e.

$-\dfrac{1}{4}$

We have to find the quotient when 1st fraction is divided by 2nd fraction.

Definition of quotient is given as:

Quotient is the result obtained when one number is divided by other number.

$-\dfrac{3}{8} \div -\dfrac{1}{4} \text{ is to be calculated.}$

$\div$ is converted to $\times$ and the 2nd fraction is reversed i.e.

if the fraction is $\frac{p}{q}$ it becomes $\frac{q}{p}$ and the sign $\div$ is changed to $\times$ .

Solving above:

$-\dfrac{3}{8} \times -\dfrac{4}{1}\\ \text {Multiplication/Division of 2 negative number gives a positive number}\\\Rightarrow \dfrac{3}{2}$

So, the quotient is $\frac{3}{2}$ .

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3 years ago

Evaluate 5x (-2x 2) for x = 3.

miv72 [106K]

Plug in 3 for x. 5(3) (-2(3) x 2) = 15(-6 x 2) = 15(-12) = -180.

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3 years ago