3 years ago

Unyu Jening Concepts

Mathematics

1 answer:

disa [49]3 years ago

6 0

I think the answer would be 41.28

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One moving company charges $800 plus $16 per hour. another moving company charges $720 plus $21 per hour. at what number of hour

Veronika [31]

Hour 16; $1056
Hope this helps :)

3 0

3 years ago

Question 17 please help

kramer

$\sqrt{9x^2} / \sqrt{18y^2}$
after taking sqrt both side

3x/ $\sqrt{9*2y^2}$

3x/3y√2
x/√2y
multiply both denomenator and numerator by√2
√2x/2y

Answer is A

8 0

2 years ago

2 1/2 divided by 1 7/8 <br> SHOW YOUR WORK and if you do i'll give you brainiest :)

Murljashka [212]

Answer:

1.33

Step-by-step explanation:

2 1/2=2.5

1 7/8=1.87

=1.33

3 0

2 years ago

Cound someone please help me on this, I'm stuck.

Katyanochek1 [597]

Negative exponents work like this:

$a^{-b}=\dfrac{1}{a^b}$

So, in order to evaluate a negative exponent, you simply have to invert the base, and then raise to the positive equivalent of the exponent.

As an example, here are the first three exercises:

$8^{-3}=\dfrac{1}{8^3}=\dfrac{1}{512}$

$(-4)^{-5}=\dfrac{1}{(-4)^5}=-\dfrac{1}{1024}$

$2k^{-4}=\dfrac{2}{k^4}$

You can work out the rest applying this logic.

5 0

3 years ago

Tanya runs diagonally across a rectangular field that has a length of 40 yards and a width of 30 yards. How far did Tanya run?

Yuliya22 [10]

Tanya run 50 yards across the diagonal of the rectangular field.

<u>Step-by-step explanation</u>:

Step 1 :

Length of the rectangular field = 40 yards
width of the rectangular field = 30 yards

Step 2 :

Measure of the diagonal = √(length^2 + width^2 )

Step 3 :

Diagonal = √(40^2 + 30^2 )

= √(1600 + 900)

= √2500

= ±50

Step 4 :

Since distance cannot be negative, The measure of diagonal = 50 yards.

∴ Tanya runs diagonally across a rectangular field is 50 yards.

4 0

2 years ago