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gavmur [86]
2 years ago
10

Up for a Brain Game?

Mathematics
2 answers:
kotegsom [21]2 years ago
8 0

Answer:

-x, x, 4x, 0.2x, (1/4)x

Serhud [2]2 years ago
4 0

Answer:

2x , -3x2 , -x y , 1/x

Step-by-step explanation:

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Andrea ran 400 meters in gym class How many cm. did she run
aliya0001 [1]
1 m = 100 cm

Multiply:

100 * 400 = 40000

So she ran 40,000 centimeters.
7 0
2 years ago
What is the coefficient of x in 4x/5 a)1/5 b.5 c.4/5 d.4 e.-0.8
almond37 [142]

Answer:

C

\frac{4}{5}

Co efficient means the number or value beside preventing the variable from standing alone

6 0
3 years ago
Read 2 more answers
An airplane travels 800 miles with the wind in the same of time it takes to travel 650 miles against the wind. What is the speed
SOVA2 [1]

Answer:

90 mph

Step-by-step explanation:

Against wind DATA:

distance = 600 miles ; time = 5 hrs. ; rate = 600/5 = 120 mph

With wind DATA:

distance = 600 miles ; time = 2 hrs ; rate = 600/2 = 300 mph

Equations:

p + w = 300

p - w = 120

2p = 420

p = 210 mph (speed of the plane in still air)

Since p+w = 300, w = 300-210 = 90 mph (speed of the wind)

3 0
3 years ago
suppose Q is the midpoint of PR. use the information to find the missing value. PQ equals 3x + 14 and QR equals 7X - 10; find X.
NARA [144]

Answer:

x=6

Step-by-step explanation:

A midpoint is the middle point of a line segment, therefore it is equal distances from both ends of the segment.

This means that PQ and QR have the same length. So all we have to do is set each value equal to each other, and then solve for X.

3x+14=7x-10\\3x+24=7x\\24-4x\\x=6

4 0
3 years ago
Read 2 more answers
0.08 divided by0.5216
Naya [18.7K]
0.08 / 0.5216

Answer: 0.15337423312
8 0
3 years ago
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