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Ira Lisetskai [31]
3 years ago
14

Help please! ill mark brainliest!

Mathematics
1 answer:
rosijanka [135]3 years ago
7 0

Answer:

e=57⁰

d=104⁰

Step-by-step explanation:

in isosceles triangle the side and measures are equal

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Evaluate the function?
marusya05 [52]

Answer:

290

Step-by-step explanation:

f(x) = 3x^{2} - x

f(10) = 3*(10)^{2} - 10

       = 3 * 100 - 10

       = 300 - 10

       = 290

8 0
3 years ago
Cos(2theta)=11 sin(theta)-5
lubasha [3.4K]
\cos2\theta=11\sin\theta-5
1-2\sin^2\theta=11\sin\theta-5
2\sin^2\theta+11\sin\theta-6=0
(2\sin\theta-1)(\sin\theta+6)=0
\implies\begin{cases}2\sin\theta-1=0\\\sin\theta+6=0\end{cases}

The second equation gives \sin\theta=-6, but -1\le\sin\varphi\le1 for any real \varphi, so we can ignore this equation.

This leaves us with

2\sin\theta-1=0\implies \sin\theta=\dfrac12\implies\theta=\dfrac\pi6+2\pi k,\theta=\dfrac{5\pi}6+2\pi k

where kis any integer.
3 0
3 years ago
Y intercepts of 3x^2-12x+6
Inessa05 [86]
Y=3x^2. -12x+6

If x= 0 then y= 3•0^2 -12•0+6=6
X=0, y=6

y intercept is the place where the curve touches the y-axis and is at point (0, 6)
6 0
3 years ago
Can someone help me please
jekas [21]

Answer:

15.9

Step-by-step explanation:

so -9.7 is 9.7 jumps form 0 and same for 6.2 is 6.2 jumps from 0

9.7 + 6.2 = 15.9

the distance between -9.7 and 6.2 is 15.9

7 0
3 years ago
Read 2 more answers
A sequence has its first term equal to 3, and each term of the sequence is obtained by adding 5 to the previous term. If f(n) re
xxTIMURxx [149]
F(1) = 3
f(2) = 3 + 5 = 8
f(3) = 8 + 5 = 13

f(n) = 5(n - 1) + 3

f(n) = 5n - 2
4 0
3 years ago
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