3 years ago

116 is 35% of what number

Mathematics

1 answer:

Savatey [412]3 years ago

5 0

40.6 is the answer to the problem

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I really need help on themis math!!!!!!!!!!

cluponka [151]

Midpoint formula is M=( (x1+x²)/2 , (y1+y²)/2 )
let A be there point (x1,y1), our (2,3)

plug into the formula to get

(-2,1)=( (2+x²)/2, (3+y2)/2 )
so -2=(2+x2)/2 and 1=(3+y2)/2

x2=-6 and y2=-1
answer is B

7 0

3 years ago

ASAP!! I need help. -w-Which answer choice shows 5 +0.9 + 0.06 written in standard form?

miss Akunina [59]

The answer is c . 5.96

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3 years ago

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In the game Kazoo, teams lose one point each time they skip a turn. They earn one point each time their team guesses correctly.

lbvjy [14]

Answer:

-8 + 6 = - 2

So the answer is - 2

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3 years ago

We measure the diameters for a random sample of 25 oak trees in a neighbourhood. Diameters of oak trees in the neighbourhood fol

jarptica [38.1K]

Answer:

The required confidence inteval = 94.9%.

Step-by-step explanation:

Confidence interval: Mean ± Margin of error

Given: A confidence interval for the true mean diameter of all oak trees in the neighbourhood is calculated to be (36.191, 42.969).

i.e. Mean + Margin of error = 42.969 (i)

Mean - Margin of error = 36.191 (ii)

Adding (i) and (ii), we get

$2Mean =79.16\\\\\Rightarrow\ Mean= 39.58$

Margin of error = 42.969-39.58 [from (i)]

= 3.389

Margin of error = $t^* \dfrac{\sigma}{\sqrt{n}}$

here n= 25 $, \ \sigma=8.25$

i.e.

$3.389=t^*\dfrac{8.25}{5}\\\\\Rightarrow\ t^* = \dfrac{3.389}{1.65}\\\\\Rightarrow\ t^* =2.0539 \$

Using excel function 1-TDIST.2T(2.054,24)

The required confidence inteval = 94.9%.

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3 years ago

The box plots show the target heart rates of men 20-40 years old and men 50-70 years old.

Harman [31]

Answer: D

Step-by-step explanation:

The range for the thing is greater

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3 years ago