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3 years ago

6

Caleb’s parents drove him to a swimming meet 208 km away. It took them 2 hours, which includes a 15-minute break to refuel. What

was their average driving speed?

1 answer:

Reptile [31]3 years ago

3 0

I think the answer is 119 kph

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I don’t know how to solve this it’s exponents.

matrenka [14]

Answer:

9^6

Step-by-step explanation:

When dividing exponents with the same base, we subtract the exponents

a^b/ a^c = a^(b-c)

9^11/9^5 = 9^(11-5)

= 9^6

4 0

3 years ago

Makovka662 [10]

Answer:

Option A ( -3/2 , $\frac{-3\sqrt{3} }{2}$ )

Step-by-step explanation:

According to Question, The Spinner Rotate 600* Thus after Completing 360* it Comes Exactly Where It Started . Now again rotate It 180* .

Now We Are on ( -X axis ) & Completed 360*+180*=540* Rotation

Now After Rotate It 60* More we come in Third Quadrant & Here In Third Quadrant Only Tangent & Cotangent Is Positive .(Sine & Cosine is Negative)

(For Diagram, Please Find in attachment)

Now In Triangle OAB

Cos60* = OA / OB

1/2 = -X / 3 Thus X= -3/2

Sin60* = AB / OB

$\sqrt{3}$ /2 = -Y / 3 Thus Y = - $\sqrt{3}$ * 3 /2

6 0

3 years ago

Find the first three nonzero terms in the power series expansion for the product f(x)g(x).

WARRIOR [948]

Answer:

∑(-1)^k/(2k+1)! (5x)^2k+1

From k = 1 to 3.

= -196.5

Step-by-step explanation:

Given

∑(-1)^k/(2k+1)! (5x)^2k+1

From k = 0 to infinity

The expression that includes all terms up to order 3 is:

∑(-1)^k/(2k+1)! (5x)^2k+1

From k = 0 to 3.

= 0 + (-1/2 × 5³) + (1/6 × 10^5) + (-1/5040 × 15^5)

= -125/2 + 100000/6 - 759375/5040

= -62.5 + 16.67 - 150.67

= - 196.5

6 0

3 years ago

Inessa05 [86]

Answer: C

Step By Step Is Too Complicated To Explain

6 0

3 years ago

How to find the angle of triangle only knowing the right angle?

katrin [286]

There are many different ways to figure this out but may I ask you one question....do you know whether the two legs are congruent or just the right angle?

3 0

3 years ago