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4 years ago

Hi Please help! this is math and coding soooo ye

Mathematics

2 answers:

Y_Kistochka [10]4 years ago

7 0

What language are you programming in? Whatever print function you have it should probably go something like this.
The volume = 343
The surface area = 294

To calculate this in code you could just use
print(343-294);

Or you can use this
(You can swap out the 7s for the variable length)

Print((7*7*7)-(7*7*6));

GREYUIT [131]4 years ago

3 0

Answer:

Step-by-step explanation:

Cube 7 to get the volume.(343)

Do 7^2 to get 49, then multiply by 6 to get the surface area(294)

Then subtract 343-294=49

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Keisha is reading a 325-page book at a rate of 25 pages per day. Use a point-slope equation to determine wheatger she will finis

Mumz [18]

Answer:

she can't finish reading the book in 10 days

Step-by-step explanation:

Given that:

Number of pages = 325

Number of pages read per day= 25

Using the linear relation:

y = mx + c

y = number of pages left

m = reading rate ; c = initial number of pages

y = - 25x + 325

Point slope relation :

y - y1 = m(x - x1)

m = slope

We can factorise the equation to the point slope form:

y - 325 = 25(0 - 10)

y - 325 = 0 - 250

y - 325 = - 250

y = - 250 + 325

y = 75

Hence, number of pages left after 10 days = 75, thus she can't finish reading the book in 10 days

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3 years ago

Which sets of values can be the measures of the exterior angles of a triangle? 120°, 110°, 130° 35°, 103°, 122° 123°, 87°, 220°

kodGreya [7K]

Answer:

The values are :

we khow that the sum of a triangle angles is 180°
the sum of each set exterior and interior angle is 360°
so 360+360+360-180 = 900 is the sum of exterior angles of a triangle
we can see no set can satisfy this condition

8 0

3 years ago

40 employees in an office wear eyeglasses. 22 have single-vision correction, and 18 wear bifocals. If two employees are selected

ale4655 [162]

Step-by-step explanation:

The number of way to select 2 employees from 40 is 40C2.

The number of way to select 2 employees from 22 is 22C2.

So the probability of the two employees having single-vision correction is just the number of ways to select the 22 employees (22C2) divided by the total number of ways to select 2 employees (40C2).

22C2 / 40C2 = 77/260

We can use the same technique for the bifocal employees.

18C2 / 40C2 = 51/260

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3 years ago

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dybincka [34]

Solve the equation by isolating the variable you're solving for on one side of the equation and get everything on the opposite side.

$x^2 - 64 = 0$

The x variable is being square and is being subtracted by 64.
Find the inverse of all of these operations.

First, get rid of the subtraction operation. The inverse of subtraction is addition.

Add 64 to both sides of the equation.

$x^2 - 64 + 64 = 0 + 64 \\ x^2 = 64$

Now the variable x is only being squared. Reverse this operation by using the inverse of exponents.

Take the square root of both sides.

$\sqrt{x^2} = \sqrt{64} \\ x = 8$

So, x is equal to 8.

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4 years ago

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Answer:

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3 years ago