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2 years ago

15

while on holiday, your family drove 648 km at an average speed of 72 km per hour. how long did it take them to cover the distanc

e

1 answer:

a_sh-v [17]2 years ago

8 0

Answer:

9hrs

Step-by-step explanation:

72 x 9 = 648

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5 : 22.17. A flagpole is n feet tall. On this pole we display flags of the following types: red flags that are 1 foot tall, blue

Rom4ik [11]

Answer:

Prove attached below

Step-by-step explanation:

Attached below is the detailed solution to prove that there are

$\frac{2}{3} 2^n + \frac{1}{3} (-1)^n$

flagpole length = n feet

number of flags = 3

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3 years ago

Anna adds (8x + 12y) and (ax − 6y). If the correct answer is 5x + 6y, what is the value of a?

RideAnS [48]

The answer is -3, Choice 1 because you only need to care about the x values, so what do you add/subtract from 8 you get 5? So the answer is -3

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3 years ago

Read 2 more answers

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Marizza181 [45]

Answer:

12.56ftcube

Step-by-step explanation:

if V=(3.14×1^2)×4= 3.14 ×4=12.56

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2 years ago

Simplify -4b+(-9k)-6-3b+12

andre [41]

$\boxed{-7b-9k+6}$

<h2>Explanation:</h2>

We have the following expression:

$-4b+(-9k)-6-3b+12$

First of all, we need to open parentheses:

$-4b-9k-6-3b+12$

Next, combine like terms:

$-4b-3b-9k-6+12 \\ \\ \therefore \boxed{-7b-9k+6}$

<h2>Learn more:</h2>

Simplify expressions: brainly.com/question/13378777

#LearnWithBrainly

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3 years ago

Find arc DC please help me

emmasim [6.3K]

Answer:

arc ABC = 196°

arc DC = 360 - 196 - 70 = 94° (which looks out of proportion, but so does angle D)

Step-by-step explanation:

arc ABC = 2(∠D) = 2(98°) = 196°

3 0

3 years ago