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brilliants [131]
3 years ago
7

The middle school choir concert was 1 1/4 hours long. each song was 1/,8 of an hour how many songs did the audience hear during

the choir concert
A.9 songs

B.10 songs

C.12 songs

D.32 songs
​
Mathematics
2 answers:
alexandr402 [8]3 years ago
8 0

Answer:

b

Step-by-step explanation:

max2010maxim [7]3 years ago
6 0
I think the answer is B
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Alicia bought 4 T-shirts for $23.00. Using the unit rate, how much would 6 T-shirts cost?
LekaFEV [45]

i think that you would just take 23/4=$5.75

so take 6 times 5.75 and you should get $34.5

3 0
3 years ago
A satellite moves at a speed of 2.4 x 10^4 km/h. Work out how long it will take for the satellite to move a distance of 3.2x10^6
Alenkinab [10]

Answer:

Below in bold.

Step-by-step explanation:

speed = distance / time

2.4 * 10^4 = 3.2 * 10^6 /time

Time = 3.2 * 10^6 / 2.4 * 10^4

= 3.2/2.4 * 10^(6-4)

= 1.3333.. * 10^2 hours

= 133 hours  ( to 3 significant figures).

8 0
2 years ago
Which equation is equivalent to startroot x^2 + 81 EndRoot = x + 10?
Nitella [24]

Answer:given below

Step-by-step explanation:

sqrt x^2 +81= x + 10

x^2 + 81 = (x+10)^2

x^2 + 81 = x^2 + 20x + 100

so answer is:  

x^2 + 81 = x^2 +20x + 100

..HOPE IT HELPS YOU...ALL THE BEST

3 0
3 years ago
Can someone help please ? Thanks I’m advance
Pani-rosa [81]

Answer:

f(-3) = 16

Step-by-step explanation:

Given:

f(x) = 2x² + x + 1

Required:

f(-3)

Solution:

Substitute x = -3 into f(x) = 2x² + x + 1

f(-3) = 2(-3)² + (-3) + 1

f(-3) = 2*9 - 3 + 1

f(-3) = 18 - 3 + 1

f(-3) = 16

6 0
3 years ago
Graph the equation y = -3x on a graph
Dafna1 [17]

Put a dot on the -3 from the y-axis and draw a straight line from left to right.

3 0
2 years ago
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