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RoseWind [281]
3 years ago
7

Plz help it’s due tonight i rlly need help thanks

Mathematics
1 answer:
belka [17]3 years ago
7 0
i think we need some more information or something is there any other information that they give you for this question?
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Nolan's car used 2 gallons to travel 50 miles. How far can he travel on 3 gallons?
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Answer:

On 3 gallons, he could travel 75 miles

Step-by-step explanation:

50 / 2 = 25 miles per gallon

25 * 3 = 75miles

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Darryl is considering a purchase of a $125,000 home at 6.5%. Under this rate,
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122 months or just over 10 years

Step-by-step explanation:

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3 years ago
The angle between the complex numbers 2+2i and -7
anygoal [31]

Answer:Consider the right triangle formed by the complex number in the Argand-Gauss plane and it's projections on the axis. – José Siqueira Nov 12 '13 at 17:21

In particular what is the definition of sine of theta in terms of the known sides of the above mentioned right triangle? – Adam Nov 12 '13 at 17:27

Add a comment

3 Answers

1

Consider the following Argand-diagram

enter image description here

The y-axis is the imaginary axis and the x-axis is the real one. The complex number in question is

x+yi

To figure out θ, consider the right-triangle formed by the two-coordinates on the plane (illustrated in red). Let θ be the angle formed with the real axis.

tanθ=yx

⟹tan−1(yx)

The hypotenuse of the triangle will be

x2+y2−−−−−−√

Therefore,

Step-by-step explanation:

5 0
3 years ago
2 sides of a triangle are congruent. The base length is unknown. The top angle is 40 degrees and the bottom left angle is x degr
ANTONII [103]

Answer:

70

Step-by-step explanation:

both sides of the triangle are 70 because they equal 140 plus 40 is 180

7 0
3 years ago
Read 2 more answers
The triangles are congruent. Write the<br><br>congruence statement (LT#4)
gogolik [260]

Answer:

C

Step-by-step explanation:

Look at the angle markings. Angle C has one mark, Angles E and S have two marks, and Angles D and R have three marks.

Therefore, these angles correspond with one another and determine the order of the letters.

8 0
3 years ago
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