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3 years ago

HELP PLS RIGHT NOWWW For Exercise 38, find each length. 38. AC

Mathematics

1 answer:

inessss [21]3 years ago

5 0

Answer:

Step-by-step explanation:

use the below to remember how to use trig functions ( copy this to your computer for use later )

Use SOH CAH TOA to recall how the trig functions fit on a triangle

SOH: Sin(Ф)= Opp / Hyp

CAH: Cos(Ф)= Adj / Hyp

TOA: Tan(Ф) = Opp / Adj

We can use TOA to find AC

Tan(31) = Opp / 9

9* Tan(31) = Opp ( Opp = AC)

5.407745571 = AC

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3 years ago

4(9 ÷ 3)^2 Can you please help

makkiz [27]

Answer:

Step-by-step explanation:

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3 years ago

sarah spent a total of 10 on oranges and apples at the supet market. if she spent 3 dollars less for oranges than she did on app

beks73 [17]

Let's write 2 equations from the two statements given.

Sarah spent 10 dollars on both oranges and apples

Let the price of oranges be "x" and price of apples be "y", thus we can write:

$x+y=10$

Oranges cost 3 less than apples, thus we can say:

$y-3=x$

We can substitute this into the first equation and solve for y:

$\begin{gathered} x+y=10 \\ y-3+y=10 \\ 2y=10+3 \\ 2y=13 \\ y=\frac{13}{2} \\ y=6.5 \end{gathered}$

Thus, let's solve for x now,

$\begin{gathered} x=y-3 \\ x=6.5-3 \\ x=3.5 \end{gathered}$

We want the price of oranges (x), thus,

Price of Oranges = $3.50

3 0

1 year ago

HELP...here say:write five decimals that have at least 3 digits to the right of the decimal point.Write the expanded form and th

just olya [345]

27÷9=3
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8 0

3 years ago

How do I find these equations using substitution y=-3x+5 and 5x-4y=-3 ?

lapo4ka [179]

Answer:

x=1

Step-by-step explanation:

you would change it to 5x-4(-3x+5)=-3, because you put the info for the first equation into the second equation.

5x-4(-3x+5)=-3

5x+12x-20=-3

17x-20=-3

17x=17

x=1

6 0

3 years ago

Read 2 more answers