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Inessa [10]
3 years ago
7

janet completed 8 math problems in 10 minutes. How long per question did janet spend(in minutes and seconds)?

Mathematics
2 answers:
Dominik [7]3 years ago
5 0
It would take 1.25 minutes to complete each problem because 10 divided by 8 equals 1.25
Xelga [282]3 years ago
5 0

Answer:1.25 minutes


Step-by-step explanation:


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Area A, equals the product of b and h divided by 2, slove for h
gizmo_the_mogwai [7]
A = bh/2
2a = bh
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h = 2a/b
7 0
3 years ago
y = -16x2 + 32x - 10 This parabola has x-intercepts, representing the times when the dolphin's height above water is feet.
Lina20 [59]
Answer: This parabola has 0.3875 x-intercepts,
<span>representing the times when the dolphin's height above water is </span>
0 feet.

The x-intercept is the point where the graph crosses the x-axis, which is when the value is y=0. 
The calculation for y=0 would be
<span>Y = -16x2 + 32x - 10
</span><span>0 = -16x2 + 32x - 10
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-b +-√(b^2-4ac)  /2a=
-16 +-√(16^2-4(-8)(-5))  /2(-8) =
-16+- √(256-160/ -16 =
-16+- √(96/ -16 =
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x1= 0.3875
x2= -1.6125
6 0
3 years ago
Read 2 more answers
Need help on this one please answer asap
Oliga [24]
First find the hourly rate by dividing $187 by 11 hours. That yields $11 per hour. Now multiple the $11/hour rate by 8 hours of work resulting in $88.
8 0
3 years ago
What do you add 15/4 to make 4
koban [17]
The answer would be 1/4 or \frac{1}{4} i hope this answer helps!
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3 years ago
A dance club ordered shoes for all of its members. The shoe sizes are shown in the table.
Kamila [148]
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The sample mean is 7.7.
5 0
3 years ago
Read 2 more answers
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