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3 years ago

Eddie ended round one of a game show with 800 points. In round two, he scored -400 points

Mathematics

2 answers:

german3 years ago

8 0

Answer:

400

Step-by-step explanation:

800-400=400

WINSTONCH [101]3 years ago

4 0

Answer:

400

Step-by-step explanation:

800-400=400

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(cos2A−cos2B)2+(sin2A+sin2B)2=4sin2(A+B)

lbvjy [14]

Answer:

${( \cos2A - \cos2B) }^{2} + {( \sin2A + \sin2 B }^{2}\\ = ( - 2\cos2A \cos2B + { \cos {}^{2} 2A } + \cos {}^{2} 2B) + (2 \sin2A \sin2B + \sin {}^{2} 2A + \sin {}^{2} 2B)\\ \\ { = - 2( \sin2A + \sin 2 B - \cos2 A - \cos2B) }\\ \\ { = - 2( - 4 \sin( A + B) \cos(A + B) } \\ \\ = {\tt{double \: angle \: of \: sine}}\\ \\ { = 2 \times 2(2 \sin (A + B) \cos(A + B)) }\\ \\ { = 4 \sin2(A + B)}$

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3 years ago

Write each decimal in expanded form- <br>a.0.493<br>b.1.222

lapo4ka [179]

0.493 = 0.000 + 0.400 + 0.090 + 0.003
It may be also written as: 0.493 = 0 + 0.4 + 0.09 + 0.003

1.222 = 1.000 + 0.200 + 0.020 + 0.002
It may be also written as: 1.222 = 1 + 0.2 + 0.02 + 0.002

8 0

3 years ago

Find the slope of the line that passes through (10, 8) and (1, 1).

Nana76 [90]

Answer:

2/3

Step-by-step explanation:

the formula to find slope is y1-y2/x1-x2.

The ordered pairs are (10,8) and (1,1)

(x, y). (x, y)

So it would be: 8-1 OVER 10-1

=6/9 which simplifies to 2/3

so your slope would be 2/3

5 0

3 years ago

explain how you can use a box-and-whisker plot to find the range of a data set. a. the range is the difference of the values of

Advocard [28]

C. The range is the difference of the value of the whiskers.
Remember: the range is the highest value subtract the lowest value.

4 0

3 years ago

Sara drove 96 miles on 3.2 gallons of gas. How many miles can Sara drive on 12.5 gallons of gas

Blababa [14]

Answer:

375 miles

Step-by-step explanation:

Create a proportion where x is the number of miles she can drive on 12.5 gallons of gas:

$\frac{96}{3.2}$ = $\frac{x}{12.5}$

Cross multiply and solve for x:

3.2x = 1200

x = 375

So, with 12.5 gallons of gas, Sara can drive 375 miles

4 0

3 years ago

Read 2 more answers