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Brums [2.3K]
3 years ago
14

Simplify. 3x - 7y - (-2x) - y 5x + 8y 5x - 8y x-8yx-8y​

Mathematics
2 answers:
lidiya [134]3 years ago
7 0

Answer:

the first one is 14xy+3x-y

the second one nothing can be done so that would be ur answer

the third one nothing can be done so that would be ur answer

the fourth one and the fifth one nothing can be done so that would be ur answer

In-s [12.5K]3 years ago
5 0

Answer:

3x-7y-\left(-2x\right)-y\cdot \:5x+8y\cdot \:5x-8yx-8yx-8y=19xy+5x-15y

Step-by-step explanation:

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To compare the production techniques used by foreign and local firms in Brazil, a random sample of 80 foreign firms and a random
alina1380 [7]

Answer:

An independent sample.

Step-by-step explanation:

In this scenario, to compare the production techniques used by foreign and local firms in Brazil, a random sample of 80 foreign firms and a random sample of 80 local firms are selected. We can safely conclude that this study uses an independent sample design.

An independent sample design can be defined as a research method that usually involves the use of multiple experimental groups (two or more). The samples or participants are only in one group and as such each group has no relationship with the other. This simply means that, the samples in a particular group is having no relationship with the other samples in another group.

Ultimately this implies, each samples are independent and satisfies only one condition of the independent sample design during the experiment to compare the production technique used by foreign and local firms in Brazil.

<em>Hence, the researcher would use only two variables or conditions: a random sample of 80 foreign firms and a random sample of 80 local firms are selected.</em>

6 0
2 years ago
(64x^8– 4x^3 + 24) : (8x^3)
andrey2020 [161]

Answer:

(16 x^8 - x^3 + 6)/(2 x^3)

Step-by-step explanation:

Simplify the following:

(64 x^8 - 4 x^3 + 24)/(8 x^3)

Factor 4 out of 64 x^8 - 4 x^3 + 24:

(4 (16 x^8 - x^3 + 6))/(8 x^3)

4/8 = 4/(4×2) = 1/2:

Answer: (16 x^8 - x^3 + 6)/(2 x^3)

7 0
3 years ago
16 = 48х - бу<br> can someone tell me how to do this step by step? Thanks :P
kap26 [50]

16=48x-6y

swap the sides of the equation

48x-6y=16

Divide both sides of the equation by 2

24x-3y=8

now we do the same only different way ok

48x-6y=16

Divide both sides of the equation by 2

(48x-6y)÷2=16÷2

Distribute 2 through the parentheses

48x÷2-6y÷2=16÷2

calculate the quotient

48x÷2-6y÷2=8

calculate the quotient

24x-6y÷2=8

calculate the quotient

Answer: 24x-3y=8

PLEASE MARK ME AS BRAINLIEST

5 0
3 years ago
lisa is ordering sand from the internet. On one site she found sand on sale for $2.25 per pound and on the second site she found
Anuta_ua [19.1K]
<h3>The better deal would be the the 5kg for $14 price.</h3><h3 /><h3>Why: 5kg is around 11 pounds, so if you bought the 11 pounds on the first site, it would be $24.75. So Lisa would save 10 dollars if she chose the second site.</h3><h3 /><h3>If this answer is correct, please mark it as Brainliest. :)</h3>
3 0
3 years ago
For every 1 litre of water used 150ml of sucrose and 600ml of saline solution is used
lisabon 2012 [21]

Question:

For every 1 litre of water used to make a medicine, 600 ml of sucrose and 150ml of saline solution are used.

Express the amount of water, sucrose and saline solution needed as a ratio in its simplest form.

Answer:

Water : Sucrose : Saline = 20 : 3 : 12

Step-by-step explanation:

Given

Water = 1L

Sucrose = 150mL

Saline= 600mL

Required

Express as a ratio to the simplest form

First convert the volume of water to mL

Water = 1L

Water = 1 * 1000mL

Water = 1000mL

Express as ratio:

Water : Sucrose : Saline = 1000mL : 150mL : 600mL

Water : Sucrose : Saline = 1000 : 150 : 600

Divide through by 10

Water : Sucrose : Saline = 100 : 15 : 60

Divide through by 5

Water : Sucrose : Saline = 20 : 3 : 12

<em>The ratio can not be further simplified</em>

6 0
2 years ago
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