2 years ago

Which equation matches the graph

Mathematics

1 answer:

Alexxx [7]2 years ago

7 0

The answer is D
Hope this helped !

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Lines l and m are parallel.<br> Use the diagram to determine the measure of ∠3.

Pavlova-9 [17]

Answer:

∠3 is 70°

Step-by-step explanation:

∠1 is 50° since it is across from another 50° angle

and then you use the equation x+25+2x+50=180 to find x

x then equals 35°

you then use the alternate interior angle theorem to say that ∠3 is 2x, or 70°

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2 years ago

A ratio equivalent to 2:5 is 2 :10

azamat

False... a ratio equivalent to 2:5 is 4:10

2/5 × 2/2 = 4/10

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In ΔOPQ, the measure of ∠Q=90°, the measure of ∠O=76°, and OP = 7.3 feet. Find the length of PQ to the nearest tenth of a foot..

PSYCHO15rus [73]

Answer: 7.1 feet

Step-by-step explanation: I guessed lol

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2 years ago

Help me please: Justine answered 75% questions correctly on an 80-questions test. How many questions did he answer correctly?

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He answered 60 questions correctly.

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2 years ago

Idently the graph of f(x) = 3(x - 1) - 4. Then identity the vertex and ads of symmetry find the minimum value of and describe wh

Vesna [10]

Answer:

See below

Step-by-step explanation:

I assume you mean $f(x) = 3(x-1)^2-4$

The equation is already in vertex form $f(x)=a(x-h)^2+k$ where $a$ affects how "fat" or "skinny" the parabola is and $(h,k)$ is the vertex. Therefore, the vertex is $(h,k)\rightarrow(1,-4)$ .

The axis of symmetry is a line where the parabola is cut into two congruent halves. This is defined as $x=h$ for a parabola with a vertical axis. Hence, the axis of symmetry is $x=1$ .

The minimum value is the smallest value in the range of the function. In the case of a parabola, the y-coordinate of the vertex is the minimum value. Therefore, the minimum value is $y=-4$ .

The interval where the function is decreasing is $(-\infty,1)$

The interval where the function is increasing is $(1,\infty)$

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2 years ago