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3 years ago

How to answer this problem

Mathematics

2 answers:

Julli [10]3 years ago

5 0

There aren´t like term, therefore you have to write the same expression.

Answer: 7u³v³+9s²t

Other example:
7u³+25u³
In this case, we have like terms, therefore: 7u³+25u³=32u³

valina [46]3 years ago

4 0

16s2tu^3v^3 is the answer

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What is the slope of a line that contains the points (1 -2) and (4, -3).

Naddika [18.5K]

Answer:

$-\frac{1}{3}$

Step-by-step explanation:

Use the definition of slope:

$m=\frac{y_2-y_1}{x_2-x_1}\\$

Replace the values in the equation and solve:

$m=\frac{-3-(-2)}{4-1} \\m=\frac{-1}{3}\\m=-\frac{1}{3}$

4 0

2 years ago

A soft drink machine outputs a mean of 27 ounces per cup. The machine's output is normally distributed with a standard deviation

Rzqust [24]

Answer: 0.6065

Step-by-step explanation:

Given : The machine's output is normally distributed with

$\mu=27\text{ ounces per cup}$

$\sigma=3\text{ ounces per cup}$

Let x be the random variable that represents the output of machine .

z-score : $z=\dfrac{x-\mu}{\sigma}$

For x= 21 ounces

$z=\dfrac{21-27}{3}\approx-2$

For x= 28 ounces

$z=\dfrac{28-27}{3}\approx0.33$

Using the standard normal distribution table , we have

The p-value : $P(21$

$P(z$

Hence, the probability of filling a cup between 21 and 28 ounces= 0.6065

8 0

3 years ago

3. Your friend has eight sweatshirts. Three sweatshirts are green, one is white, and

Sveta_85 [38]

Answer:

3/14

Step-by-step explanation:

P (B then B) = 4/8 x 3/7 or 1/2 x 3/7

6 0

2 years ago

Solve the inequality. 6x + 3 > 3x + 30 A) x > 9 B) x > 11 C) x > −9 D) x > −11

ANTONII [103]

Subtract 33 from both sides

6x>3x+30-36x>3x+30−3

Simplify 3x+30-33x+30−3 to 3x+273x+27

6x>3x+276x>3x+27

Subtract 3x3x from both sides

6x-3x>276x−3x>27

Simplify 6x-3x6x−3x to 3x3x

3x>273x>27

Divide both sides by 3

3x>\frac{27}{3}x>

3x> 27

Simplify \frac{27}{3}

ANSWER: x>9

6 0

3 years ago

Write an expression to represent "triple the<br> quotient of a number and three."

Furkat [3]

Answer:

3n/3 or 3n÷3

Step-by-step explanation:

since it says triple the quotient of a <u>number</u>, we can use the number n.

To find the quotient means to divide and it's going to be by that numer.....n....... trippled (3)

put them all together and you get 3n/3

4 0

2 years ago