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3 years ago

7

The budget for a school dance is $370.00. Decorations and refreshments cost $165.00. The band charges a fee of $100.00 plus an a

dditional $35.00 per hours. What is the maximum number of hours the school can have the band play at the dance?

1 answer:

atroni [7]3 years ago

7 0

Answer:

5 HOURS

Step-by-step explanation:

370 - 165 = 205

205 ÷ 35 = 5.85

5 HOURS

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Problem PageQuestion A Web music store offers two versions of a popular song. The size of the standard version is 2.6 megabytes

dalvyx [7]

Answer:

There were 210 downloads of the standard version.

Step-by-step explanation:

This question can be solved using a system of equations.

I am going to say that:

x is the number of downloads of the standard version.

y is the number of downloads of the high-quality version.

The size of the standard version is 2.6 megabytes (MB). The size of the high-quality version is 4.2 MB. The total size downloaded for the two versions was 4074 MB.

This means that:

$2.6x + 4.2y = 4074$

Yesterday, the high-quality version was downloaded four times as often as the standard version.

This means that $y = 4x$

How many downloads of the standard version were there?

This is x.

$2.6x + 4.2y = 4074$

Since $y = 4x$

$2.6x + 4.2*4x = 4074$

$19.4x = 4074$

$x = \frac{4074}{19.4}$

$x = 210$

There were 210 downloads of the standard version.

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3 years ago

If f(x)=2x^4-3x^3+2x^2+x-3, explain how you know that the equation f(x)=0 has at least one real root between x=1 and x=2

hodyreva [135]

Answer:

Step-by-step explanation:

by theorem :

f continu in [1 , 2]

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so the equation f(x)=0 has at least one real root between x=1 and x=2

so :

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3 years ago

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sasho [114]

The answer would be 8 ^-5

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3 years ago

Read 2 more answers

A raindrop falls at 200m per minute. how long will it take a raindrop to travel 6000m?

Kryger [21]

The first thing you should know is that by definition:
d = v * t
Where
d: distance
v: speed
t: time
We then have to clear the time:
t = (d) / (v)
Substituting the values:
t = (6000) / (200)
t = 30 minutes
Answer:
It will take a raindrop to travel 6000m about:
t = 30 minutes

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3 years ago

Which Value Is The Eighth Term In The Sequence? <br><br> A. -3125<br> B. -125<br> C. -625

statuscvo [17]

Answer:

C

Step-by-step explanation:

Substitute n = 8 into the explicit rule

$a_{8}$ = - $\frac{1}{125}$ × $5^{7}$

= - $\frac{1}{5^{3} }$ × $5^{7}$

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3 years ago