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Andreas93 [3]
2 years ago
5

Evaluate the expression and enter the answer as a fraction in lowest terms, using the slash (/) for the fraction bar.

Mathematics
1 answer:
Naya [18.7K]2 years ago
8 0

Answer:

5/21

Step-by-step explanation:

Change division sign to multiplication and flip second fraction upside down

1/3 x 5/7 =  5/21

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4.5<br>-<br>17 - X 8<br><br>I need help! <br>10 pts​
sesenic [268]

Answer:

x = -1.5625

Step-by-step explanation:

Solve for x:

-8 x - 12.5 = 0

Add 12.5` to both sides:

(12.5 - 12.5) - 8 x = 12.5

12.5 - 12.5 = 0:

-8 x = 12.5

Divide both sides of -8 x = 12.5 by -8:

(-8 x)/(-8) = 12.5/(-8)

(-8)/(-8) = 1:

x = 12.5/(-8)

12.5/(-8) = -1.5625:

Answer: x = -1.5625

7 0
3 years ago
Two lines that intersect at 90 degree angles
Molodets [167]
That would be a right angle 
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3 years ago
Pls help 10 ptssssss<br> NO LINKS
puteri [66]

Answer:

its five points...

Step-by-step explanation:

4 0
2 years ago
10. If ABCD is a kite, DB=48 in. and CE=7 in. find DC. *
Dmitry_Shevchenko [17]

Answer:

25 in.

Step-by-step explanation:

DEC is a right triangle. <DEC is a right angle.

(DE)² + (EC)² = (DC)²

DE = ½DB = ½(48 in.) = 24 in.

(24 in.)² + (7 in.)² = (DC)²

576 in.² + 49 in.² = (DC)²

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DC = 25 in.

3 0
2 years ago
A car is traveling at 70 miles per hour on the highway. Which equation could you use to calculate the distance, d, the car trave
slamgirl [31]

Answer:

  d = 70t

Step-by-step explanation:

The units of speed tell you how to write the equation.

  speed = miles/hour

Multiplying by hours gives ...

  speed · hours = miles

Using the required variables and the given speed, you have ...

  70t = d . . . . . time in hours, distance in miles

4 0
3 years ago
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