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raketka [301]
3 years ago
10

Help with answering this line graph

Mathematics
2 answers:
Masteriza [31]3 years ago
5 0
I can only see half of the pic
Law Incorporation [45]3 years ago
4 0
Only shows half of the picture whats the question/?

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If StartFraction pi Over 2 EndFraction less than t less than pi ​, which of the following is​ true?
oksian1 [2.3K]

Answer:

b. cosine t less than 0 and cotangent t greater than 0

Step-by-step explanation:

We have the following relation

\frac{\pi }{2} < t

if we apply the cosine function in the relation we get:

cos\frac{\pi }{2}

-1

the cosine of t is between 0 and -1 then (cosine t less than 0)

If we now apply cotangent function in the relation:

cotan\frac{\pi }{2}

0

This means that cotang is greater than 0, therefore the correct answer is b. cosine t less than 0 and cotangent t greater than 0

5 0
3 years ago
Using the digits 1 to 9, at most one time each, fill in the boxes so that the points make a parallelogram. Mathematically, use p
Lera25 [3.4K]

Answer:

\left\begin{array}{ccc}A\left( \boxed{3}  , \boxed{8} \right)&B\left( \boxed{9}  , \boxed{6} \right )\\\\C\left( \boxed{1}  ,  \boxed{4} \right)&D\left( \boxed{7}  ,  \boxed{2} \right )\end{array}\right

Step-by-step explanation:

The coordinates are:

\left\begin{array}{ccc}A\left( \boxed{3}  , \boxed{8} \right)&B\left( \boxed{9}  , \boxed{6} \right )\\\\C\left( \boxed{1}  ,  \boxed{4} \right)&D\left( \boxed{7}  ,  \boxed{2} \right )\end{array}\right

The parallelogram is attached below.

To verify if these coordinates form a parallelogram, we show that:

  • AB=CD; and
  • AC=BD

Using Distance Formula

AB = \sqrt{(6-8)^2+(9-3)^2} = \sqrt{(-2)^2+(6)^2} = \sqrt{40} $ units

CD = \sqrt{(2-4)^2+(7-1)^2} = \sqrt{(-2)^2+(6)^2} = \sqrt{40} $ units

AC = \sqrt{(8-4)^2+(3-1)^2} = \sqrt{(4)^2+(2)^2} = \sqrt{20} $ units

BD = \sqrt{(6-2)^2+(9-7)^2} = \sqrt{(4)^2+(2)^2} = \sqrt{20} $ units

Since AB=CD; and AC=BD, the coordinates A, B, C, and D form the vertex of a parallelogram.

3 0
3 years ago
Find the distance between the two points (-7,0) and (-9,-8)
zaharov [31]

Answer:

in decimal form it is 8.25

8 0
2 years ago
What is the value of x in the equation 4x + 8y =40 when y =0.8
Neko [114]
Y = 0.8

4x + 8y = 40

4x + 8*(0.8) = 40

4x + 6.4 = 40

4x = 40 - 6.4

4x = 33.6

x = 8.4
7 0
3 years ago
Eli left his house one afternoon to study at the library. The graph shows his distance, in miles, away from his house as a funct
Charra [1.4K]
Eli rode his bicycle home from the library
4 0
3 years ago
Read 2 more answers
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