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Reika [66]
3 years ago
5

How many degrees in the angle

Mathematics
2 answers:
Shtirlitz [24]3 years ago
7 0

Answer:

Step-by-step explanation:

well the answer is 90 degress  but it also adds up to 360 degress

kotegsom [21]3 years ago
4 0

Answer:

130 degrees

Step-by-step explanation:

No hate but it literally tells you the answer by the picture.

:)

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The track and field coach records Ian's 400-meter race times during three practices. How much greater was the percent of change
BigorU [14]

Answer:

d.  1.5%

Step-by-step explanation:

Given - The track and field coach records Ian's 400-meter race times during three practices.

Practice        1          2           3

Time (s)         63       60        58

To find - How much greater was the percent of change from Practice 1 to Practice 2 than from Practice 2 to Practice 3? Round to the nearest tenth.

a. 7.9%

b.  4.8%

c.  3.3%

d.  1.5%

Proof -

% change from Practice 1 to Practice 2 change = \frac{60 - 63}{63}. 100%

                                                                           = -\frac{3}{63}.100% = - 4.761904762 %

⇒% change from Practice 1 to Practice 2 change = - 4.762 %

Now,

% change from Practice 2 to Practice 3 change = \frac{58 - 60}{60}. 100%

                                                                           = -\frac{2}{60}.100% = - 3.334 %

⇒% change from Practice 2 to Practice 3 change = - 3.3334 %

So,

- 4.461904762% - (- 3.3334%) = -4.461904762 + 3.3334 % = -1.4285 % ≈ 1.5%

∴ we get

Value = 1.5%

The correct option is - d.  1.5%

4 0
3 years ago
Can a percent of change problem have an answer over 100%?
gregori [183]
Yes it can have a change
4 0
3 years ago
Read 2 more answers
Kyle spends $32.35 on a bag of soil
Brilliant_brown [7]

Answer:

18

Step-by-step explanation:

32.25-9.85

22.5/1.25

18

3 0
3 years ago
Read 2 more answers
1. Which measure is equivalent to 16 quarts?
SIZIF [17.4K]

Step-by-step explanation:

1quart=2pints

16quarts=32pints

8 0
3 years ago
Read 2 more answers
Determine the equation of the line with slope 3 that passes through the point M(1, 2).
Mandarinka [93]

Answer:

Step-by-step explanation:

We are given the slope along with an (x, y) coordinate with which to write the equation.  You could use this info in the slope-intercept form and solve for b, or you could use this info in the point-slope form and solve it for y.  Trust me when I tell you that either one will get you the correct equation.  Promise!  I used the point-slope form, just because.  ; )

y - 2 = 3(x - 1) and

y - 2 = 3x - 3 and

y = 3x - 1 OR in standard form, we will put the x and y terms on the same side of the equals sign, separated from the constant:

-3x + y = -1.  But if we get picky and do not like to lead with negatives, we could change ALL the signs to their opposites (which is the same as multiplying the whole thing by a -1) to get

3x - y = 1 which is the third choice down.

4 0
3 years ago
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