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Damm [24]
4 years ago
6

MATH GRAPH HELP MEEE

Mathematics
2 answers:
sdas [7]4 years ago
5 0

Ok, so since the graph of the line starts/ stops at the point (0,0) we already know that y has to be equal to 0.

Now, because the y-axis is up and down, and the x-axis is left and right, your answer is y\geq 0 or y is less than or equal to 0  because the line is above (0,0) and also touches it

Ymorist [56]4 years ago
3 0

The graph gives no reason to expect that y=0 is excluded, so we conclude the range is ...

... y ≥ 0

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In ΔOPQ, the measure of ∠Q=90°, PO = 89, OQ = 39, and QP = 80. What ratio represents the cosine of ∠O?
guajiro [1.7K]

Answer:

cos(O) = 39 / 89

Step-by-step explanation:

<u>Given:</u>

ΔOPQ, where

  • ∠Q=90°
  • PO = 89
  • OQ = 39
  • QP = 80

<u>cosine of ∠O?</u>

  • cos(O) = Adjacent / Hypotenuse
  • cos(O) = 39 / 89

7 0
3 years ago
I need help with 3 math questions, please! 15 points!
GaryK [48]
3. The answer should be : Yes, the number is written in scientific notation.
4. the answer is : Yes, the number is written in scientific notation.
5. The answer is option 3
5 0
3 years ago
Susan purchased the following items at Target: 3 notebooks at $2.19 each, 4 pens at $1.59 each, and 1 package of colored pencils
kotegsom [21]

Answer:

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Step-by-step explanation:

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5 0
4 years ago
Find the reference angle given: t= -5π/3.
Elina [12.6K]

Answer:

The reference angle is \frac{\pi}{3}

Step-by-step explanation:

The given angle is t=-\frac{5\pi}{3}

The reference angle is the acute angle, that a given angle  makes with the x-axis.

First let us make a sketch of the given angle. <em>See diagram in attachment.</em>

Let \theta be the reference angle of  t=-\frac{5\pi}{3}


Then, from the diagram, we need to subtract \theta from -\frac{5\pi}{3} to get to -2\pi.


We can therefore write the following equation and solve for \theta.


\Rightarrow -\frac{5\pi}{3}-\theta=-2\pi


We group like terms to get,

\Rightarrow -\theta=-2\pi +\frac{5\pi}{3}

We collect LCM to get,

\Rightarrow -\theta=\frac{-6\pi+5\pi}{3}

We simplify to get,

\Rightarrow -\theta=-\frac{\pi}{3}

We divide through by -1

\theta=\frac{\pi}{3} to get,

The correct answer is D.







4 0
3 years ago
The speed limit sign on the freeway said 110 kilometers per hour, but the speedometer on Cesar's car is calibrated in miles per
Lisa [10]

Answer:

68.2 miles per hour

Step-by-step explanation:

Speed limit = 110 kilometers per hour

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110 kilometers = x miles

Cross product

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x = 68.2 miles

Cesar should drive at 68.2 miles per hour to avoid a speeding ticket

110 kilometers per hour = 68.2 miles per hour

6 0
3 years ago
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