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2 years ago

Of the number listed below which are not multiples of 4 2,4,7,8,12,15,19,24,34

Mathematics

2 answers:

harina [27]2 years ago

8 0

Answer:

7,15,19,34 are not multiples of 4

uysha [10]2 years ago

6 0

Answer:24, 4, 8, 12

Step-by-step explanation:

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Ioana wants to spend ¾ of an hour studying each subject. She has 3 hours to study. How many subjects can she study?

BaLLatris [955]

Answer:

4 subjects

Step-by-step explanation:

3 hours for studying x subjects:

x*3/4 = 3
x = 3*4/3
x = 4

3 0

2 years ago

A plane flying horizontally at an altitude of 1 mile and a speed of 510 mi/h passes directly over a radar station. Find the rate

sdas [7]

Answer:

442 miles

Step-by-step explanation:

Given

To properly solve this question, I illustrate some given parameters using attached image

From the image, apply Pythagoras theorem

$x^2 + 1^2 = y^2$

Differentiate w.r.t time (t)

$2x\frac{dx}{dt} + 0 = 2y\frac{dy}{dt}$

$2x\frac{dx}{dt} = 2y\frac{dy}{dt}$

Divide both sides by 2

$x\frac{dx}{dt} = y\frac{dy}{dt}$

From the question, we have that the plan travels are 510mi/h.

This implies that:

$\frac{dx}{dt} = 510mi/h$

So, we then calculate the value of x when the distance (y) is 2mi i.e.:

$y = 2mi$

Apply Pythagoras theorem

$x^2 + 1^2 = y^2$

$x^2 + 1^2 = 2^2$

$x^2 + 1 = 4$

$x^2 = 4-1$

$x^2 = 3$

$x = \sqrt 3$

So, the expression becomes:

$x\frac{dx}{dt} = y\frac{dy}{dt}$

$\sqrt 3 * 510 = 2* \frac{dy}{dt}$

$\frac{\sqrt 3 * 510}{2} = \frac{dy}{dt}$

$\sqrt 3 * 255 = \frac{dy}{dt}$

$\frac{dy}{dt} = 255\sqrt 3$

$\frac{dy}{dt} = 255 * 1.7321$

$\frac{dy}{dt} = 441.655$

$\frac{dy}{dt} = 442$

Hence, the distance is 442 miles

7 0

2 years ago

Which is true 10.59>10.60 10.590=10.59 10.43<10.24 9.0005=9.0050

mart [117]

I think the second i didnt make it on paper but its the one that more convence me

4 0

2 years ago

the amount of interest earned in a savings account varies directly with the amount of maney saved. if $126 in intrest is earned

Mashcka [7]

2,000 + 1,000 = 3,00 so you would have $2,000 more to get to 3,000

3 0

2 years ago

How many times does 50 go into 85

vitfil [10]

If you would like to know how many times does 50 go into 85, you can calculate this using the following steps:

85 / 50 = 17 / 10 = 1.7

The correct result would be 1.7.

6 0

3 years ago

Read 2 more answers