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Marta_Voda [28]
3 years ago
6

Which expression is eqivalent to square root of 80

Mathematics
1 answer:
Ymorist [56]3 years ago
5 0

Answer:

4 multiplied by sq rt of 5

Step-by-step explanation:

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How do you simplify this expression step by step using trigonometric identities?
olga55 [171]

\bf \textit{Pythagorean Identities}\\\\ 1+tan^2(\theta)=sec^2(\theta) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ sec^2(\theta )cos^2(\theta )+tan^2(\theta )\implies \cfrac{1}{\begin{matrix} cos^2(\theta ) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix} }\cdot \begin{matrix} cos^2(\theta ) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix} +tan^2(\theta ) \\\\\\ 1+tan^2(\theta )\implies sec^2(\theta )

5 0
3 years ago
-13=m-7 how can i solve for m
mart [117]

Answer: m=-6

Step-by-step explanation:

Add 7 to the other side

5 0
3 years ago
A new surgery is successful 75% of the time. if the results of 10 such surgeries are randomly sampled, what is the probability t
valentinak56 [21]
\text{Binomial Distribution: } P(X = r) = \binom{n}{r}(p)^{r}(1 - p)^{n - r}
P(X < 9) = 1 - P(X = 9) - P(x = 10)

P(X = 9) = \binom{10}{9}(0.75)^{9}(0.25)
P(X = 10) = \binom{10}{10}(0.75)^{10}

P(X < 9) = 1 - \binom{10}{9}(0.75)^{9}(0.25) - \binom{10}{10}(0.75)^{10}
\approx 0.755974769...
4 0
3 years ago
The first person who answers correctly gets thanks and braniy!
Nuetrik [128]
That arrow helps a lot.
One
Scale factor = 21/14 = (3*7)/(2*7) = 3/2 the sevens cancel out.

Two
Scale factor = 24/18 = (6 *4) / (6 * 3) The 6s cancel out 
Scale factor = 4/3
8 0
3 years ago
The endpoints of AB are 8 and 16. Find the coordinate of the point P that partitions the segment in the ratio 3 : 1
Svetach [21]

Answer:10

Step-by-step explanation:

6 0
3 years ago
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