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Nina [5.8K]
3 years ago
13

Expression equivalent to -2.5(4x-3)

Mathematics
1 answer:
e-lub [12.9K]3 years ago
6 0

If you distribute, then you get -10x+7.5

Note how -2.5 times 4x = -10x and how -2.5 times -3 = 7.5

The idea is that you multiply the outer term (-2.5) by each term inside

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An apple producer sells their product in bags that each contain 161616 apples. These apples have a mean weight of 808080 grams a
Dominik [7]

Answer:

Sample mean weight = 808080 grams

Step-by-step explanation:

The number of samples, n = 161616

The mean weight, \mu = 808080

Standard deviation, \sigma = 555

The sample mean weight, \mu_{\bar{x}} = Mean weight, \mu

Since \mu_{\bar{x}} = \mu

Sample mean weight, \mu_{\bar{x}} = 808080

6 0
3 years ago
In 1985 there were 275 cell phone subscribers in the small town of China grove. Subscribers increased by 40% each year after 198
emmasim [6.3K]
1985year ->275cell phones->100%
1994year -> x cell phones ->100%+360%
40% • (1994-1985)= 40% • 9= 360%

275 cell phone 100%
X cell phones. 100+360%=460%
x=275•460%/100%
x=12420/100
x=1265
99% sure this is a correct answer


x=275 • 460%/100%
x=12,420/100
x=1265

1994-1985= 9 yrs • 40%= 360%

5 0
2 years ago
What is the amount of interest you would pay annually on a compounded interest loan amount $2400 on a 7% loan?
sveticcg [70]
I=2,400×0.07
I=168
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8 0
3 years ago
Simplify 12√18-6√20-3√50-8√45
Alex_Xolod [135]

12√18-6√20-3√50-8√45

<em>*Break each radical up into the product of a radical of a perfect square and a second radical*</em>

12(√9*√2)-6(√4*√5)-3(√25*√2)-8(√9*√5)

<em>*Simplify the radicals*</em>

12(3√2)-6(2√5)-3(5√2)-8(3√5)

<em>*Distribute*</em>

36√2-12√5-15√2-24√5

<em>*Combine like terms</em>*

21√2-36√5

Hope this helps!!

3 0
2 years ago
How much would a worker pay in taxes if his income is 750.00 and his tax bracket is 10%?
skelet666 [1.2K]

Answer:

75

Step-by-step explanation:

750×0.10=75

4 0
3 years ago
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