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polet [3.4K]
3 years ago
9

Suppose to travel 162 miles in 3 hours .use the formula d=st to find the average speed

Mathematics
2 answers:
Umnica [9.8K]3 years ago
6 0

Distance = Speed x time = 162 x 3 = 486 miles/hour



Answer: 486 miles/hour

Vladimir79 [104]3 years ago
4 0

Reduce:


162 miles

--------------- = 54 mph

3 hrs


If we start with distance = rate times time, we can solve for rate:


rate = distance / time. That's what I've just done (above).


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Melons cost $20 pet Crate, and apples cost $8 per create. an order comes in for a total of 48 crates for $420. what was the numb
Alika [10]

Answer:

The number of melon was 3 and the number of apples was 45.

Step-by-step explanation:

1. Melons cost $20 per crate and apples cost $8 per create. If the total was 48 crates for $420, you can make the following system of equations, where x is the number of melons and y is the number of apples:

\left \{ {{x+y=48} \atop {20x+8y=420}} \right.

2. By applying the Method of substitution, you can solve for y in the first equation and substitute it into the second one to find x. Then, you can substitute the value of x into the first equation to find y:

y=48-x

20x+8(48-x)=420\\20x+384-8x=420\\12x=36\\x=3

3+y=48\\y=45


4 0
3 years ago
Lou deposited $3,500 into a savings account. The simple interest rate is 4%. How much interest will the account earn in 10 years
finlep [7]

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2 years : $280

10 years: $1400

Step-by-step explanation:

3 0
3 years ago
14^-3x14^5 using a single positive exponent
lesya692 [45]

Answer:

1/14^3x times 14^5

Step-by-step explanation:

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6 0
3 years ago
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If the equation of a circle is (x - 2)2 + (y-6)2 = 4, it passes through point
san4es73 [151]

(x - 2)² + (y - 6)² = 4

You can be certain about one thing just by looking at the equation (2, 6) is the center, so, obviously the circle isnt going through this point

Since the radius is 2 if we don't move from y = 6 we have points in (0, 6) and (4, 6)

So alternative b.

To be more certain just subs the point in the x and y, if its equal, it pass through

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To point (4, 6)

(4 - 2)² + (6 - 6)² = 4

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Thats right

4 0
3 years ago
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topjm [15]
Decimal is 0.12 and fraction is 12/100

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3 years ago
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