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3 years ago

Which is the Better deal

Mathematics

1 answer:

Assoli18 [71]3 years ago

6 0

Answer:answer is C

Step-by-step explanation:

if you divide 18.80 by 8 u get 2.35 which is the lowest price from the rest of them

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Write each number In scientific notation

REY [17]

$1.) 108,000,000 =1.08\times 10^8
\\2.) 0.5943=5.943\times10^{-1}
\\3.) 42=4.2\times10^1
\\4.) 0.0000673=6.73\times10^{-5}
\\5.) 0.0056=5.6\times10^{-3}
$
$6.) 6004=6.004\times10^3
\\7.) 0.00852=8.52\times10^{-3}
\\8.) 24,631,500=2.46315\times10^7
\\9.) 89450=8.945\times10^4
\\10.) 0.005702=5.702\times10^{-3}$
$11.) 8,005,000,000=8.005\times10^9
\\12.) 0.00012805=1.2805\times10^{-4}$

3 0

4 years ago

Will give brainlist if right

Olegator [25]

Answer:

10/50 = <em><u>20%</u></em>

20% experimental probability

1/5 experimental probability

5 0

3 years ago

State the value of 'x' in this equation, and explain why you know this to be true without doing any calculations.

Kaylis [27]

Answer:

x=9

a^b = a^c

then b=c

so in this case x=9

4 0

2 years ago

40 pounds of dog food cost $50 how much would 35 pounds of dog food cost

astraxan [27]

50:40=x:35
5/4=x/35
times both sides by (4*35)
5*35=4x
175=4x
divide both sides by 4
43.75=x

costs $43.75

3 0

3 years ago

Suppose that two people standing 2 miles apart both see the burst from a fireworks display. After a period of time, the first p

Usimov [2.4K]

Answer: approximately 5148 feet directly north of point A

This is equivalent to 0.975 miles

==============================================================

Explanation:

Check out figure 1 (attached image below) to see how the drawing is set up.

Points A and B are separated by 2 miles, or 10560 feet. Use the conversion factor 1 mile = 5280 feet.

Because sound travels at roughly 1100 feet per second (assuming all of the conditions are right), this means that after x seconds, the sound wave has traveled a total distance of 1100x feet. This is the distance from A to C. Point C is the firework location.

The distance from B to C is 1100(x+6) feet because it takes 6 more seconds for the soundwave to travel from C to B, compared from C to A.

Note that triangle ABC is a right triangle. The 90 degree angle is at point A.

We can use the pythagorean theorem to solve for x

See figure 2 in the attached images to see the steps on solving for x. The numbers get quite big, though in the end x is fairly small. We end up with x = 4.68, which is approximate due to the 1100 figure being approximate.

This means the sound wave takes about 4.68 seconds to go from point C to point A.

With this x value, we can compute the expression 1100x to get

1100*x = 1100*4.68 = 5,148 feet

To convert this to miles, divide by 5280

(5148)/(5280) = 0.975

Therefore,

5148 feet = 0.975 miles

6 0

3 years ago