1 year ago

PLEASE HELP GIVING BRAINLIEST

Mathematics

1 answer:

olasank [31]1 year ago

7 0

Answer:

first question is 9 1/2 - 2nd answer

2nd question is 2nd answer 4 3/4 - ur correct

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What is the answer to this problem?

leonid [27]

Answer:

$\frac{7}{9}$

Step-by-step explanation:

If you add a number that is negative, you are basically subtracting it.

This means that

$\frac{8}{9}+\left(-\frac{1}{9}\right)=\frac{8}{9}-\frac{1}{9}$

Since they both have the same denominator, you can easily subtract the fractions: $\frac{8-1}{9}=\frac{7}{9}$

5 0

3 years ago

HELPP!!<br> Select the correct answer.<br> What is the value of arcsin ?

Schach [20]

For this case we have that by definition, it is called arcsine (arcsin) from a number to the angle that has that number as its sine.

We must find the $arcsin (\frac {\sqrt {2}} {2})$ . Then, we look for the angle whose sine is $\frac {\sqrt {2}} {2}$ .

We have to, by definition:

$Sin (45) = \frac {\sqrt {2}} {2}$

So, we have to:

$arcsin (\frac {\sqrt {2}} {2}) = 45$

Answer:

Option B

5 0

3 years ago

Read 2 more answers

Use the function f(x)=-1|x-4|+3 and an initial value of 1.5. Find the last two iterations and make sure that you show all your w

dezoksy [38]

9514 1404 393

Answer:

f²(1.5) = -0.5
f³(1.5) = -1.5

Step-by-step explanation:

$f^2(1.5)=f(f(1.5)) = -1|0.5 -4|+3\\\\=-1|-3.5|+3\\\\=-1(3.5)+3\\\\=\boxed{-0.5}\\\\f^3(1.5)=f(f^2(1.5))=-1|-0.5-4|+3\\\\=-1|-4.5|+3\\\\=-1(4.5)+3\\\\=\boxed{-1.5}$

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2 years ago

suppose you have $250 in a savings account and decide to save a additional $10 peach month. write the equation to find the total

mestny [16]

Y=10x+250

The slope represents the amount of money added in per month, and the y-intercept represents the original amount.

Hope this helps!

5 0

3 years ago

If the average speed of a car is 45 km/hr, how far can it travel in 40 min?

alexandr1967 [171]

Answer:

30 kilometers

Step-by-step explanation:

40 min=2/3 hour

2/3*45=30

3 0

3 years ago