3 years ago

Simplify ____________ 3r + n^2 - r + 5 - 2n + 2

Mathematics

1 answer:

Solnce55 [7]3 years ago

3 0

Answer:

Step-by-step explanation:

The final answer is n^2+ 2r -2n+ 7~

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In the diagram, DC is tangent to the circle, AC = 12 cm, and BD=2134 cm. Find AD.

olasank [31]

The answer is D Because in a tangent

4 0

3 years ago

Write a ratio for the following word phrase. Write fractions in lowest terms.42 in. to 6 ft

ollegr [7]

42 feet to 6 feet can be written as both ratio and a fraction:

42:6
42/6

If we look at the fraction, we can clearly see that we can simplify it:

42/6 = 7/1 = 7

So we can write the ratio in its lowest terms as 7:1.

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3 years ago

Use the graph below to answer the question that follows:

snow_lady [41]

Answer:

D) Amplitude: 2; period: π; midline: y = 1

Step-by-step explanation:

The question is much more easily answered from the graph than from the description of the graph.

The amplitude is the extent of the peak above the midline (2), or half the peak-to-peak value (4/2=2). The midline is the line halfway between the peaks (1). The period is the horizontal distance between peaks of the same polarity (π).