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lakkis [162]
3 years ago
9

If cos θ > 0 and tan θ > 0, which of the following statements MUST be true? (5 points)

Mathematics
1 answer:
solniwko [45]3 years ago
5 0

Yo sup??

cosx>0 in the 1st and 4th quadrant.

tanx>0 in the 1st and 3rd quadrant.

therefore the common solution is x lies in 1st quadrant.

Hence the correct answer is option A.

Hope this helps

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Plot the x- and y-intercepts of function f(x)=x
katrin2010 [14]
Because f(x)=x, goes through origin. So x and y -intercept are one point (0,0).
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3 years ago
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If Bob studied 4 hours, what score could he predict he will receive?
Ne4ueva [31]

Answer:

Bob could predict a <u>100%</u>, as if he has studied for a long time, and has learnt the content, he should be able to get 100%!

3 0
3 years ago
I need the answer for this exact question
denis23 [38]

Answer:

y=\frac{7}{2}x-20

Step-by-step explanation:

Let the equation of the line be y-y_1=m(x-x_1) where, 'm' is its slope and (x_1,y_1) is a point on it.

Given:

The equation of a known line is:

y=-\frac{2}{7}x+9

A point on the unknown line is:

(x_1,y_1)=(4,-6)

Both the lines are perpendicular to each other.

Now, the slope of the known line is given by the coefficient of 'x'. Therefore, the slope of the known line is m_1=-\frac{2}{7}

When two lines are perpendicular, the product of their slopes is equal to -1.

Therefore,

m\cdot m_1=-1\\m=-\frac{1}{m_1}\\m=-\frac{1}{\frac{-2}{7} }=\frac{7}{2}

Therefore, the equation of the unknown line is determined by plugging in all the given values. This gives,

y-(-6))=\frac{7}{2}(x-4)\\y+6=\frac{7}{2}x-14\\y=\frac{7}{2}x-14-6\\\\y=\frac{7}{2}x-20

The equation of a line perpendicular to the given line and passing through (4, -6) is y=\frac{7}{2}x-20.

3 0
3 years ago
WILL MAKE BRAINLYEST
Valentin [98]

Answer:

none

Step-by-step explanation:

3−12+223−56=158

216−216=0

56+216=272

216+216=432

216−56=160

Brainliest?

8 0
2 years ago
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$10.40 to $13.12 is simplify your answer
Bumek [7]

The required simplified value of $10.40 to $13.12 is $2.72.

Given that,
To determine the simplified value of $10.40 to $13.12.

<h3>What is simplification?</h3>

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
In the question, asked about the difference between the numbers
$10.40 to $13.12
= 13.12 - 10.40
= $2.72

Thus, the required simplified value of $10.40 to $13.12 is $2.72.

Learn more about simplification here:
brainly.com/question/12501526

#SPJ1

4 0
1 year ago
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