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ivann1987 [24]
3 years ago
14

I need helpp ! asap please i inserted a photo of the question.

Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
8 0

The multiplication property of equality.

\dfrac{x}{5}=2\qquad|\text{multiply both sides by 5}\\\\\not5^1\cdot\dfrac{x}{\not5_1}=5\cdot2\\\\x=10

Nana76 [90]3 years ago
6 0

Answer:i don't see nothing because i'm using a distrit chromebook

Step-by-step explanation:

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A psychology class consists of 14 males and 36 females. if the professor selects name from the class list using random sampling,
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The total number of students is 14+36, or 50. So the chance that a selected student is female is 36/50, or 18/25.
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(10 POINTS) answer ASAP if you can
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Step-by-step explanation:

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4 0
3 years ago
The volume of a rectangular pyramid is 900 cubic centimeters.It has a length of 10 centimeters and a width of 9 centimeters. Wha
MariettaO [177]
The height of a rectangular pyramid is 30 cm.

volume of rectangular pyramid = (length x width x height) / 3

Given: 
Volume = 900 cm³
Length = 10 cm
Width = 9 cm
Height = ?

V = lwh/3
900 cm³ = (10cm * 9cm * h)/3
900 cm³ * 3 = (90cm² * h)/3 * 3
2700 cm³ = 90cm² * h
2700 cm³/90cm² = 90cm² * h/90 cm²
30 cm = h

to check:
900 cm³ = (10 cm * 9 cm * 30 cm)/3
900 cm³ = 2700 cm³/3
900 cm³ = 900 cm³
3 0
3 years ago
Solve quadratic equation x²-8x-1=0 by formula method​
Alex_Xolod [135]

Answer:

x²-8x-1=0

comparing above equation with ax²+bx+c=0

a=1

b=-8

c=-1

x=

x =  \frac{ - b +  -  \sqrt{ {b}^{2} - 4ac } }{2a}

=(--8+-√(64-4×1×-1)/2×1

=8+-√(64+4)/2

taking positive

x=(8+√68)/2=2(4+√17)/2=4+√17

taking negative

x=(8-√68)/2=2(4-√17)/2=4-√17

6 0
3 years ago
Read 2 more answers
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I wanna day, that both are correct because they substituted the same value into both expressions and the results are the same.
Both squares substitute in 6 and both equal -5.
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