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balandron [24]
3 years ago
8

PLEASE HELP .

Mathematics
1 answer:
myrzilka [38]3 years ago
3 0
What the regression is a conflict
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A school reserved a banquet hall for the spring dance. In addition to a $100 deposit, each couple must pay $20. If the total cos
Nady [450]

Answer:

The total number of couples attending the banquet was 52.

Step-by-step explanation:

Given that a school reserved a banquet hall for the spring dance, and that, in addition to a $ 100 deposit, each couple must pay $ 20, to determine the total number of couples attending if the total cost of the banquet hall was $ 1,140 is due perform the following calculation:

100 + (20 x X) = 1140

20X = 1140 - 100

X = 1040/20

X = 52

Thus, the total number of couples attending the banquet was 52.

3 0
2 years ago
Write an equation of the cosine function with amplitude pi/2 and period 3
juin [17]

Answer:

y = \frac{\pi}{2}cos(\frac{2\pi}{3}x)

Step-by-step explanation:

Given

Amplitude = \frac{\pi}{2}

Period = 3

Required

Write the equivalent cosine function

The general formula is:

y = acos(bx)

Where

amplitude = |a|

period = \frac{2\pi}{b}

Substitute \frac{\pi}{2} for amplitude in amplitude = |a|

|a| = \frac{\pi}{2}

a = \frac{\pi}{2}

Substitute 3 for period in period = \frac{2\pi}{b}

\frac{2\pi}{b} = 3

<em>Multiply both sides by b</em>

2\pi = 3b

<em>Divide through by 3</em>

b = \frac{2\pi}{3}

Hence;

y = acos(bx) becomes

y = \frac{\pi}{2}cos(\frac{2\pi}{3}x)

5 0
3 years ago
Which conversion requires division?
kirza4 [7]

Answer:

A

Step-by-step explanation:

since milimetres is a smaller unit than centimetre, we will divide. We use division to convert from smaller to bigger value

5 0
1 year ago
Read 2 more answers
You have 15 yards of ribbon for your gift boxes. Each box gets the same amount of ribbon. How much ribbon will each of your 20 g
DerKrebs [107]
15/20 = 0.75

Each of the gift boxes will get 3/4 yard of ribbon. (.75)
5 0
3 years ago
Read 2 more answers
One angle of a triangle measures 95°. The other two angles are in a ratio of 8:9. What are the measures of those two angles?
Luba_88 [7]

Answer:

40 degrees and 45 degrees

Step-by-step explanation:

If you subtract 95 degrees from a 180-degree triangle, you are left with 85 degrees. To proportionally split them, find two values that add to the same value. Since 40 and 45 make up 80 and they multiply by two to make 80:90, these are the two measures.

8 0
2 years ago
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