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4 years ago

Someone PLEASE help me!!!!! Evaluate -/3/

1 answer:

5 0

if / means absolute value, then the answer is -3. The absolute value of 3 is 3, then you take the negative value of it, which is -3.

Btw, the absolute sign is ||, not //.

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Fill in the blanks so that the standard and factored forms match

Kamila [148]

Answer:

-x^4-5x^3+2x²+ 10x = (x+5)(2x-x³)

Step by Step explanation

Naming the coefficient of x² as "a" and the independent temine of the first parenthesis as "b", we got:

-x^4-5x^3+ ax^2 +10x=(x+b)(2x-x^3)

- x⁴-5x^3+ ax^2 +10x = 2x²- x⁴+2bx-bx³

-5x^3+ ax^2 +10x = -bx³+2x²+2bx

( Matching the exponents)

For x: 2b= 10; b=10/2.

b=5

For x²: a=2

For x³: -b=-5

b=5

7 0

2 years ago

Solve for u.<br> 7(u-3)+5u=39<br> Simplify your answer as much as

GalinKa [24]

Answer:

7u-21+5u=39 12u-21=39 12u=39+21 19u=60 u=5

7 0

3 years ago

Avocados from mexico MAKE THIS BETTER THAN BOB COPY AND PASTE THIS!

Karo-lina-s [1.5K]

Answer:

swag

Step-by-step explanation:

I love avocados from mexico

good meme :))

4 0

4 years ago

Read 2 more answers

This right triangle has one leg with a length of 45 units and a hypotenuse with a length of 75 units. What is the length of the

Nesterboy [21]

The length of other leg is 60 units.

Step-by-step explanation:

Given,

Length of one leg = a = 45 units

Length of other leg = b

Length of hypotenuse = c = 75 units

Using pythagoras theorem

$a^2+b^2=c^2\\(45)^2+b^2=(75)^2\\2025+b^2=5625\\b^2=5625-2025\\b^2=3600$

Taking square root on both sides

$\sqrt{b^2}=\sqrt{3600}\\b=60\ units$

The length of other leg is 60 units.

Keywords: Pythagorean theorem, square root

Learn more about square root at:

#LearnwithBrainly

4 0

4 years ago

A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 50% of this population prefers t

NeX [460]

Answer:

0.09

Step-by-step explanation:

Given that 50% of this population prefers the color green.

Let p the probability that one person selected from the population prefer the green color of the car. So,

p=0.05

There is only two chance, any person either prefer the green color or not, assuming this holds true for every person, so the mentioned population can be assumed as Bernoulli's population.

By using Bernoulli's theorem, the probability of exactly r success of n randomly selected from the Bernoulli's population is

$P(r)=\binom{n}{r}p^{r}{(1-p)}^{n-r}\cdots(i)$

Here, 15 buyers are randomly selected, so, n= 15 and

$r= \frac1 3 \times 15=5$

So, by using equation (i), the probability that exactly 5 buyers would prefer green out of 15 randomly selected buyers is

$P(r=5)=\binom{15}{5}(0.5)^{5}{(1-0.5)}^{15-5}$

$=\binom{15}{5}(0.5)^{5}{0.5}^{10}$

$=\binom{15}{5}(0.5)^{15}$

=0.0916

Hence, the probability that exactly 5 buyers would prefer green out of 15 randomly selected buyers is 0.09.

3 0

3 years ago