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Nikitich [7]
3 years ago
9

Graph the line that passes through the points (-1,-4) and (-2,-1) and

Mathematics
1 answer:
Oksanka [162]3 years ago
7 0
Im dislexic im sorry
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Can someone PLEASE help me solve this equation ? due soon
RideAnS [48]

\sf{Given : 3tanx + 7 = \dfrac{2}{(1 - sinx)(1 + sinx)}}

We know that : (a - b)(a + b) = a² - b²

\implies \sf{3tanx + 7 = \dfrac{2}{1 - sin^2x}}

We know that : 1 - sin²x = cos²x

\implies \sf{3tanx + 7 = \dfrac{2}{cos^2x}}

\sf{\bigstar \ \ We \ know \ that : \boxed{\sf{\dfrac{1}{cos^2x} = sec^2x}}}

\implies \sf{3tanx + 7 = 2sec^2x}

We know that : sec²x = 1 + tan²x

\implies \sf{3tanx + 7 =2(1 + tan^2x)}

\implies \sf{2 + 2tan^2x - 3 tanx - 7 = 0}

\implies \sf{2tan^2x - 3 tanx - 5 = 0}

\implies \sf{2tan^2x -  5tanx + 2tanx - 5 = 0}

\implies \sf{2tanx(tanx + 1) - 5(tanx + 1) = 0}

\implies \sf{(tanx + 1)(2tanx - 5) = 0}

\implies \sf{tanx = -1 \ (or) \ tanx = \dfrac{5}{2} }

8 0
3 years ago
Single Factor ANOVA is a method we use when we want to compare a quantitative variable among more than two categories.
Goryan [66]

Answer:

The given statement is "True".

Step-by-step explanation:

A statistical analytical technique that divides the perceived aggregate unpredictability present throughout an information source even further into 2 components.

  • Systemic components
  • Random components

If relevant information yet another category independent variable, as well as another quantifiable variable of interest, has been obtained, are using a single-way ANOVA.

Thus the above is the true answer.

3 0
3 years ago
Which of the following is the actual length of a window that is 1 1/4 inches long on a drawing with a scale of 1 inch =6 feet
DENIUS [597]
1.25/20=1x
1.25x=20
x=20/1.25=16
1 inch=16 feet
5 0
3 years ago
Which expression shows the distance on the number line between -7 and 16
masha68 [24]
-7 is less than 16 because -7 goes behind 0 and 6 is a positive number
5 0
3 years ago
Read 2 more answers
By applying the rules of probability to the following cross, Rr x Rr, determine the probability of the offspring being homozygou
Yanka [14]
Using the Punnette Square :
R r 
<span>R RR Rr </span>
<span>r Rr rr 
</span>Hence,
<span>By applying the rules of probability  Rr x Rr, the probability of the offspring being homozygous recessive will be one fourth or a quarter.
SO the best is :

B. 1/4</span>
7 0
3 years ago
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