3 years ago

What is -5|x + 1| =10 ?

Mathematics

1 answer:

GREYUIT [131]3 years ago

5 0

Hello, there is No Solution to this equation.

- Laura

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Julia can finish a 20-mile bike ride in 1.2 hours. Katie can finish the same bike ride in 1.6 hours. How much faster does Julia

Nimfa-mama [501]

We know that, $speed = \frac{distance}{time}$

Julia can finish a 20-mile bike ride in 1.2 hours.

The distance Julia travels is 20 miles and the time she takes is 1.2 hours.

So, Julia's speed = $\frac{20}{1.2}$ = 16.67 mph

Katie can finish the same bike ride in 1.6 hours.

The distance Katie travels is 20 miles and the time she takes is 1.6 hours.

So, Katie's speed = $\frac{20}{1.6}$ = 12.5 mph

Now, to find how much faster Julia rides than Katie we subtract Katie's speed from Julia's speed.

So, 16.67 mph - 12.5 mph = 4.17 mph = 4.2 mph (approximately)

Thus, Julia rides 4.2 mph faster than Katie.

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2 years ago

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The pattern 96, 92, 88, 84, ________ follows the "subtract 4" rule. Study the pattern to find traits that are not obvious in the

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Answer:

Step-by-step explanation:

add from bottom to the top

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3 years ago

Solve for In(5z + 7) – 8

Elden [556K]

Step-by-step explanation:

In×5z+In×7

=1.67z +1.95-8

=1.67z-6.05

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3 years ago

A test has two parts, A and B, each containing 10 questions. A student needs to choose 8 questions from part A and 4 questions f

Tpy6a [65]

Part A number of combinations of 8 from 10 = 10C8 = 10C2

= 10*9 / 2 = 45

Part B Number combinations = 10C4 = (10*9*8*7)/ (4*3*2) = 210

Total number of ways = 45 * 210 = 9450 (answer)

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3 years ago

What is the approximate value of x. Enter only a numeric answer rounded to the nearest tenth

11111nata11111 [884]

Answer:

14.9 degrees

Step-by-step explanation:

For this problem you can use Tan∅=o/a and solve for the angle:

15.7 / 59 = 0.2661

Then use inverse tangent of 0.2661 to get 14.9.

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3 years ago