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3 years ago

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The speed of sound depends on the type of medium and the temperature of the medium it is traveling through. The speed of sound i

n dry air at 15° C (59°F) is about 763 miles per hour. Rewrite this number in scientific notation.

1 answer:

Mkey [24]3 years ago

6 0

This is so sad if I was there I would be dead answer dead

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the equation of the quadratic formula is represented by the graph y=a(x-3)2-1. what is the value of a?

kramer

Answer:

2

Step-by-step explanation:

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3 years ago

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The nth term of a sequence is<br> 3n - 1.<br> What are the first two terms?

andreev551 [17]

Answer:

first term = 2

second term = 5

Step-by-step explanation:

n = 1 ; 3n - 1 = 3*1 - 1 = 3 - 1 = 2

n=2; 3n -1 = 3*2 - 1 = 6- 1 = 5

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if 3 buckets containing 2kg of paint has been used to paint a fence 90 m long and 80 cm high. how many buckets of 2kg of paint a

Anit [1.1K]

3 buckets covers 90m x 80cm = 3 buckets for 90x0.8 = 3 for 72

x buckets covers 200m x 120cm = x buckets for 200x1.2 = x for 240

3/72 = x/240
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3 years ago

What is the inverse of the function f(x) = 4x + 8?

WITCHER [35]

$f(x)=4x+8\\y=4x+8\\x=4y+8\\\\$

Proceed the inverse. Swap the x and y.

$x-8=4y\\\frac{x}{4}-\frac{8}{4}=y\\y=h(x)\\h(x)=\frac{x}{4}-2\\h(x)=\frac{1}{4}x-2$

So the answer is first one.

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3 years ago

The junior class is selling granola bars to raise money. They purchased 1250 granola bars and pay a delivery fee of $25. The tot

elena-s [515]

Answer:

$0.62

Step-by-step explanation:

$800-$25= $775

775/1250=0.62

Each granola bar was 62 cents or $0.62.

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