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2 years ago

Find the value of y. A-17 B-18.8 C-20 D-31.6

Mathematics

1 answer:

MAVERICK [17]2 years ago

7 0

Answer:

Step-by-step explanation:

I am not sure

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Stacy and Travis are rock climbing. Stacy’s rope is 4 feet shorter the 3 times the length of Travis rope. Stacy’s rope is 23 fee

prohojiy [21]

23×3=69
69-4=65
travis's rope is 65ft long.

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3 years ago

What is the coefficient in the term k?<br> A.0<br> B.1<br> C.2<br> D.k

Amiraneli [1.4K]

9514 1404 393

Answer:

Step-by-step explanation:

The constant multiplier of k in the term "k" is 1.

The coefficient is 1.

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2 years ago

A fair coined is flipped what is the probability it will land on its head

Georgia [21]

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2 years ago

How to solve this linear equation step by step please

mote1985 [20]

$\bf \cfrac{3}{c^2-4c}-\cfrac{9}{2c^2+3c}=\cfrac{2}{2c^2-5c-12}\\\\\\ 
\begin{cases}
c^2-4c=&c(c-4)\\
2c^2+3c=&c(2c+3)\\\\
2c^2-5c-12=
&(2c+3)(c-4)
\end{cases}\\\\
-------------------------------\\\\
\textit{therefore, our LCD for the \underline{left-side} will have to be }\underline{c(c-4)(2c+3)}\\\\
-------------------------------\\\\$

$\bf \cfrac{3}{c(c-4)}-\cfrac{9}{c(2c+3)}=\cfrac{2}{(2c+3)(c-4)}
\\\\\\
\cfrac{3(2c+3)-9(c-4)}{c(c-4)(2c+3)}=\cfrac{2}{(2c+3)(c-4)}
\\\\\\
\cfrac{6c+9-(9c-36)}{c(c-4)(2c+3)}=\cfrac{2}{(2c+3)(c-4)}
\\\\\\
\cfrac{6c+9-9c+36}{1}=\cfrac{2[c(c-4)(2c+3)]}{(2c+3)(c-4)}
\\\\\\
-3c+45=2c\implies 45=5c\implies \cfrac{45}{5}=c\implies 9=c$

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2 years ago

Help me please thank you

Anuta_ua [19.1K]

$S\frac{O}{H}C\frac{A}{H}T\frac{O}{A}$ or $Sin\frac{Opposite}{Hypotenuse} Cos\frac{Adjacent}{Hypotenuse} Tan\frac{Opposite}{Adjacent}$

The hypotenuse is the longest side of the triangle. The opposite is the side that is across from a point/angle. The adjacent is the side next to a point/angle.

At ∅ (pretend that's theta LOL), 17 is the hypotenuse, 8 is the opposite side, and 15 is the adjacent side.

So:

sin ∅ = Opposite/Hypotenuse

sin ∅ = $\frac{8}{17}$

cos ∅ = Adjacent/Hypotenuse

cos ∅ = $\frac{15}{17}$

tan ∅ = Opposite/Adjacent

tan ∅ = $\frac{8}{15}$

5 0

2 years ago