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otez555 [7]
3 years ago
9

According to this diagram, what is cos 16°?

Mathematics
2 answers:
stiv31 [10]3 years ago
7 0

Answer: 24/25

Step-by-step explanation:

From SOH CAH TOA

Cosine = Adj / Hyp

that is cos 16 = 24/ 25

Zarrin [17]3 years ago
3 0

Answer:

24/25

Step-by-step explanation:

cos means adjacent / hypotenuse

when we look at the graph we can see that the adjacent of cos 16 is 24and hypotenuse is 25 so the answer will be 24/25

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What two numbers add up to 1 but multiply to -30
Nostrana [21]
x;\ y-the\ numbers\\\\  \left\{\begin{array}{ccc}x+y=1&\to x=1-y\\xy=-30\end{array}\right\\\\subtitute\ x=1-y\ to\ second\ equation:\\\\(1-y)y=-30\\y-y^2+30=0\\-y^2+y+30=0\ \ \ \  \ |change\ signs\\y^2-y-30=0\\y^2-6y+5y-30=0\\y(y-6)+5(y-6)=0\\(y-6)(y+5)=0\iff y-6=0\ or\ y+5=0\\\Downarrow\\y=6\ or\ y=-5

x=1-y\\\\for\ y=6\Rightarrow x=1-6=-5\\\\for\ y=-5\Rightarrow x=1-(-5)=1+5=6\\\\=======================================\\Answer:\boxed{6}\ and\ \boxed{-5}
4 0
3 years ago
-4x=16 what is x in the equation
adell [148]

Answer: <em>x=-4</em>

Step-by-step explanation:

<em>-4x=16</em>

<em>Divide by -4 on each side to cancel it out</em>

<em>x=-4</em>

4 0
3 years ago
1. Mrs. McKee is thinking of buying solar panels to put on the roof of her new house. The Sunny Solar Company told her that for
Vitek1552 [10]

Answer:

The reduced fraction of the ratio of panels to money saved is 1 panel/ $30 saved on electric bill.

This is because the given parameter from the Solar Company, on the cost savings from the use of solar panels is the amount Mrs. Jolley saves on her electricity bill for every 2 solar panels = $60 \

I dont have the graph sry

8 0
3 years ago
Read 2 more answers
shirley owns a diner. she decides to charge $1.50 for 2 egga and one piece of toast a $.90 for one egg and one piece of toast. w
charle [14.2K]

Answer:

1 toast costs $0.30 and 1 egg cost $0.60

Step-by-step explanation:

Let price of 1 egg be  e  and price of 1 toast be  t

<u>"$1.50 for 2 eggs and one piece of toast":</u>

We can write  2e+t=1.50

<u>"$.90 for one egg and one piece of toast":</u>

We can write  e+t=0.90

Now, we can solve the first equation for t and substitute that into 2nd equation and solve for e:

t=1.50-2e\\Also\\e+t=0.90\\Substituting:\\e+(1.50-2e)=0.90\\e+1.50-2e=0.90\\-e=0.90-1.50\\-e=-0.6\\e=0.6

Now using the value of e (0.6) and putting it back in the first equation, we will get t:

2e+t=1.50\\2(0.6)+t=1.50\\1.2+t=1.50\\t=1.50-1.20\\t=0.30

Hence, 1 toast costs $0.30 and 1 egg cost $0.60

8 0
3 years ago
The product of 13 and the sum of a number an 15​
FrozenT [24]

Answer:

(15+x) · 13

Step-by-step explanation:

plz mark brainliest!

7 0
4 years ago
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