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3 years ago

You can do one question also

Mathematics

1 answer:

vaieri [72.5K]3 years ago

8 0

Answer:

4/3

Step-by-step explanation:

Answer for number 6:

Sin A = √(1-cos²A)= √[1-(4/5)²]= 3/5

(note: The root covers the whole expression)

now,

Cot A= Cos A / Sin A= (4/5)/(3/5)= 4/3

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Select all the rates that are unit rates.

Nataly_w [17]

Answer:

$\frac{2/3}{1}$ and $\frac{3}{1}$

Step-by-step explanation:

Options

$\frac{1}{1/3}$ $\frac{2/3}{1}$ $\frac{2}{3}$ $\frac{3}{1}$ $\frac{1}{9}$

Required

Select the unit rates

Unit rate involve two items where the first item being measured can be any positive number, but the second item must be measured in units (i.e. 1)

For clarity:

If $\frac{a}{b}$ represents unit rate, then $b = 1$

Having said that:

Only $\frac{2/3}{1}$ and $\frac{3}{1}$ satisfy the condition of unit rates; others are not because they have a denominator other than 1

3 0

3 years ago

Change this into decimal step by step plz

nika2105 [10]

Answer:

2.6

Step-by-step explanation:

3/5 ---> ?/100

100/5 ---> 20

3 20 60

-- x = -------

5 20 100

60/100 = 6/10

6/10 as a decimal is 0.6

2 + 0.6

= 2.6

<h2>Hope this helps!!</h2>

7 0

3 years ago

I need help on question 9 please!! Thank you!

jekas [21]

Answer:

Step-by-step explanation:

33000/0.27 =$8910

7 0

3 years ago

Amanda's checking account balance was -$245. She deposited $60 three times. What is her current balance?

VLD [36.1K]

Answer:

Amanda currently has a balance of negative $65

Step-by-step explanation:

60×3=180

-245+180= -65

8 0

3 years ago

Multiply the binomials (4x+2)(5x+1) *

strojnjashka [21]

The answer is 20x^2 + 14x + 2

3 0

3 years ago

You can do one question also​

You can do one question also