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julia-pushkina [17]
3 years ago
10

Help! Plz tap on photo I will give u 10 points

Mathematics
1 answer:
Fantom [35]3 years ago
7 0
Answer is the first one
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Please help me with this question!
mezya [45]

Answer:

height =  \frac{12 - 8}{2}  = 2 \\ area =  \frac{(12 + 8) \times 2}{2}  = 20

3 0
3 years ago
Find the numerical value of one trigonometric function of x if sinxcotx=1/3
san4es73 [151]

\bf sin(x)cot(x)=\cfrac{1}{3}\implies ~~\begin{matrix} sin(x) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ \cfrac{cos(x)}{~~\begin{matrix} sin(x) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}=\cfrac{1}{3}\implies cos(x) = \cfrac{1}{3} \\\\\\ x = cos^{-1}\left( \cfrac{1}{3} \right)\implies x \approx 70.53^o

4 0
3 years ago
Dave can bike 6 miles in 30 minutes. How far can he bike in 45 minutes?
jeyben [28]
The answer is 9 miles.
3 0
3 years ago
On a number line, the distance between x and 8 is 2 units.
vova2212 [387]

Answer:

|8−x|=2

Step-by-step explanation:

because you have to subtract them together to see how far apart they are

6 0
3 years ago
Sami opened an account with a deposit of $4,000. The bank pays 3.5% annual simple interest on this account Sami did not make any
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Answer: 15 months

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