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ale4655 [162]
3 years ago
6

Pls help I never did this before

Mathematics
2 answers:
Kipish [7]3 years ago
7 0

Answer:

\sqrt{16} and \sqrt[3]{64}

Step-by-step explanation:

let me know if u need this explained

maria [59]3 years ago
6 0

Answer:

16 and 64

Step-by-step explanation:

When you sqaure root 16, you get 4

When you cube root 64, you get 4

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A standard working day is 8 hours. If you were to work 125% of a normal day, how many total hours would you work?
Naya [18.7K]

Answer:

10

Step-by-step explanation:

3 0
3 years ago
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On Carrie’s map, Greenville and North Valley are 4.5 inches apart. The scale on her map is 1 inch = 20 miles. How far is Greenvi
damaskus [11]
Greenville is 90 miles from North Valley.
6 0
3 years ago
Does anyone know what to fill in?
riadik2000 [5.3K]

Answer:

$36.69

Step-by-step explanation:

Okay, so let's first write the equation:

2.59*10 + 3d = 135.97

Now, let's work on isolating d by first simplifying the equation:

25.9 + 3d = 135.97

25.9 + 3d - 25.9 = 135.97 - 25.9

3d = 110.07

3d/3 = 110.07/3

d = 36.69

Okay, now let's check:

2.59*10 + 3*36.69  = 135.97

25.9 + 110.07 = 135.97

135.97 = 135.97

Okay, so so it costs $36.69 per pair of shoe.

4 0
2 years ago
at the metal-casting company where i work, i must set up a conveyor system to move castings from the furnace to the heat treatme
Harman [31]
Maximum time allowed = 7 deg. / 0.03 deg/s = 233.3 s
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4 0
3 years ago
Prove that if r is any rational number, then 3r2 − 2r + 4 is rational. The following properties may be used in your proof. Prope
ziro4ka [17]

Given:

Expression is

3r^2-2r+4

To prove:

If r is any rational number, then 3r^2-2r+4 is rational.

Step-by-step explanation:

Property 1: Every integer is a rational number. It is Theorem 4.3.1.

Property 2: The sum of any two rational numbers is rational. It is Theorem 4.3.2.

Property 3: The product of any two rational numbers is rational. It is Exercise 15 in Section 4.3.  

Let r be any rational number.

We have,

3r^2-2r+4

It can be written as

3(r\times r)-2r+4

Now,

3, -2 and 4 are rational numbers by property 1.

r^2=r\times r is rational by Property 3.

3r^2\text{ and }-2r are rational by Property 3.

3r^2+(-2r)+4 is rational by property 2.

So, 3r^2-2r+4 is rational.

Hence proved.

6 0
3 years ago
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