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Aleks04 [339]
3 years ago
7

405 increased by 8.3

Mathematics
2 answers:
fredd [130]3 years ago
8 0

Answer:

413.03

Step-by-step explanation:

405 increased by 8.3 is 405+8.3.

405+8.3=\\405+8.0+0.3=\\413+0.3=\\413.03

noname [10]3 years ago
8 0

Answer:

413.3 if ADD, 437.5215 if add by percent

Step-by-step explanation:

If it's increaced by 8.3%, then it is 405 + 32.5215 = 437.5215

If it's add 8.3, then it's 413.3.

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NikAS [45]

Answer: 65

3:5=35:x

solve for x

4 0
3 years ago
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Alex73 [517]

Answer:

6 ft

Step-by-step explanation:

6^3 = 216

4 0
2 years ago
Fiona wrote the linear equation y = 2/5 X -5. When Henry wrote his equation they discovered that his equation had all the same S
REY [17]
The equation of the graph is given as y = (2/5)x - 5.

You have to figure out which of the choices equals the equation given,
y = (2/5)x - 5.
You could solve each of the answer choices for y, but since each choice is in the format x - (m)y = b, you can put the given equation in that format too.

y= \frac{2}{5}x - 5 \\ 
5= \frac{2}{5}x-y \\ 
 \frac{2}{5}x - y = 5 \\ 
 (\frac{5}{2}) \frac{2}{5}x - (\frac{5}{2})y = (\frac{5}{2})5 \\ 
x -  (\frac{5}{2})y =  \frac{25}{2}

5 0
3 years ago
Read 2 more answers
What’s the multipcative inverse of 1/4
LuckyWell [14K]

Hey!

Answer:

4/1

Step-by-step explanation:

  • The multiplicative inverse of a number is the reciprocal of it. (a/b → b/a).
  • Basically you divide 1 by the other number. (1 ÷ 1/4 = 4 or 4/1).

Hope This Helps :)

7 0
3 years ago
Read 2 more answers
An experiment was conducted to investigate whether there is a difference in mean bag strengths for two different brands of paper
Elanso [62]

Answer:

A two-sample t-test for a difference between sample means

Step-by-step explanation:

<u>Explanation</u>:-

A random sample of 50 bags from each of Brand X and Brand Y was selected

Given two sample sizes n₁ and n₂

Each bag was held from its rim, and one-ounce weights were dropped into the bag one at a time from the same height until the bag ripped

mean of ounces the first sample = x⁻

mean of the  second sample =y⁻

Given data one-ounce weights were dropped into the bag one at a time from the same height until the bag ripped

Standard deviation of the first sample = S₁

Standard deviation of the second sample = S₂

Now we use t - distribution for a difference between the means

t = \frac{x^{-}  -y^{-} }{\sqrt{S^{2}(\frac{1}{n_{1} }  +\frac{1}{n_{2} } } }

where

S^{2} = \frac{n_{1} S_{1} ^{2} +n_{2}S_{2} ^{2}  }{n_{1} +n_{2} -2 }

Degrees of freedom γ = n₁ +n₂ -2

3 0
3 years ago
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