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3 years ago

Study link 4.1 answers

Mathematics

1 answer:

ch4aika [34]3 years ago

6 0

??? 4.222 and it is also different Bible like this

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PLEASE HELP I REALLY NEED IT WHAT IS 10% OF 75

lilavasa [31]

7.5 is the answer shshsj is jana

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3 years ago

Uncle Malik so the shirt at the rate of 1200 Naira and made a profit of 25% what is the cost price

uysha [10]

If he made 25 percent profit, the selling price (1200 naira) is 125 percent.

If 125% is equal to 1200 naira

100 percent (the original) will be 100 × 1200 divided by 125

Which is 120000 ÷ 125

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3 years ago

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Find the value of y.<br> Picture below

olga2289 [7]

We have trapezoid with congruent legs.

30x + 11y = 2x + 3

28x +11y = 3

Also we have

30x + 11y = 12

We got 2 equations:

30x + 11y = 12

28x +11y = 3 (*-1) -----> -28x -11y = -3

30x + 11y = 12

2x = 9

x=9/2

30x + 11y = 12 ------> 30*9/2 +11y =12 ------> 135+11y =12, ---> 11y = - 123,

y= - 123/11

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3 years ago

Divide Whole Numbers and Unit Fractions Which is the quotient of 1/4 ÷ 4 ? Use a number line to help. A number line shows zero,

sleet_krkn [62]

1 witch is C as the answer

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3 years ago

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For population parameter μ = true average resonance frequency for all tennis rackets of a certain type, each of these is a confi

Andreyy89

Answer:

X[bar]= 115

Step-by-step explanation:

Hello!

Every Confidence interval to estimate the population mean are constructed following the structure:

"Estimator" ± margin of error"

Wich means that the intervals are centered around the sample mean. To know the value of the sample mean you have to make the following calculation:

$X[bar]= \frac{Upper bond + Low bond}{2}$

$X[bar]= \frac{115.6+114.4}{2}$ = 115

Since both intervals were calculated with the information of the same sample, you can choose either to calculate the sample mean.

I hope it helps!

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3 years ago