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3 years ago

Rational between √16 and √17

Mathematics

1 answer:

Tomtit [17]3 years ago

3 0

Answer:

41/10

Explanation:

sqrt16 = 4

sqrt17 = 4.12

4.1 = 41/10 and 4<4.1<4.12

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The scores on an entrance exam to a university are known to have an approximately normal distribution with mean 65% and standard

emmasim [6.3K]

Answer:

The correct answer is - C. 24.1%

Step-by-step explanation:

Given:

mean μ = 65%

standard deviation δ = 7.1 %

solution:

Prob( X>70) = 1 - Prob(x<70)

= P (x-μ/δ ≥ 70 -65/7.1)

= 1 - Prob( (70-65)/7.1)

= 1 - Prob ( z < 0.7042553)

= 0.24065

the percentage of students scoring 70 or more in the exam

= 24.065*100

= 24.1%

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2 years ago

Candace invests $636 in an investment that pays 7% interest compounded quarterly. What is her annual effective yield? Input answ

Damm [24]

Answer:

7.19%

Step-by-step explanation:

let i be the effective rate

$(1+\frac{.07}{4})^4=(1+i)\\.071859031$

6 0

2 years ago

Read 2 more answers

Using the numbers 15, 8, 5, 12 equals 17

Yuki888 [10]

Answer:

12+5=17

Step-by-step explanation:

4 0

2 years ago

The area of a rectangle is 42 ft squared, and the length of the rectangle is 5 ft more than twice the width. Find the dimensions

stira [4]

Answer:

<h3>Length = 12 ft</h3>

Width = $\frac{7}{2} ft$

Step-by-step explanation:

Given,

Area of rectangle = $42 \: {ft}^{2}$

Width = X

Length = 2x + 5

Now,

$x(2x + 5) = 42$

$2 {x}^{2} + 5x = 42$

$2 {x}^{2} + 5x - 42 = 0$

$2 {x}^{2} + 12x - 7x - 42 = 0$

$2x(x + 6) - 7(x + 6) = 0$

$(2x - 7)(x + 6) = 0$

Either

$2x - 7 = 0$

$2x = 0 + 7$

$2x = 7$

$x = \frac{7}{2}$

Or,

$x + 6 = 0$

$x = 0 - 6$

$x = - 6$

Negative value can't be taken.

So, width = $\frac{7}{2} ft$

Again,

Finding the value of length,

Length = $2x + 5$

$2 \times \frac{7}{2} + 5$

$7 + 5$

$12$

Length = 12 ft

7 0

3 years ago

Read 2 more answers

How do you find the answer

liubo4ka [24]

It is E X= 22

J LINE SUPPLEMENTARY ANGLE so
the angle is = 180 - (5x-16 ) = 180-5x +16 =196 -5x ( angle in the triangke )

the other angle in the triangle = 50 ( alt interior angles line l parallel m
then we took the triangle sum = 180

<span>196 -5x </span> + 2x +50 = 180
so x = 22

4 0

3 years ago

Rational between √16 and √17​

Rational between √16 and √17