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djverab [1.8K]
3 years ago
6

Factor 15x3 – 5x² + 6x – 2 by grouping. What is the resulting expression?

Mathematics
2 answers:
dlinn [17]3 years ago
6 0
The evaluated equation would be −5xsquared+6x+43
ozzi3 years ago
5 0
Answer:
16 - 21x
step-by-step explanation:
15 x 3 - 5x^2 + 6x - 2
add like terms
15 + 3 - 2
-5^2
-25 + 6
- 21
16 - 21x
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The length of the rectangle is 4cm less than its width . what are the dimensions of the rectangle if its area is 140
melomori [17]
Let the width of the rectangle be x
Then length =x-4
Area=x(x-4)=140
x²-4x=140
x²-4x-140=0
x²-14x+10x-140=0
x(x-14)+10(x-14)=0
(x-14)(x+10)=0
Therefore,length=14 cm and  width=10 cm

8 0
3 years ago
A board measures 34.1 cm. What is the greatest possible error allowed for the measurement?
gladu [14]
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An object is moving at the constant rate of 32 feet per second. How many yards will it travel in one minute? 10.7 yards per minu
In-s [12.5K]

1 yard = 3 feet

1 minute = 60 seconds

Multiply 32 feet per second by 60 to find feet per minute:

32 x 60 = 1920 feet per minute.

Divide total feet per minute by 3 feet to find yards per minute:

1920 / 3 =640 yards per minute.


6 0
3 years ago
Dan has twelve blue balloon. he wants to give his six friends the same number of blue balloons​
brilliants [131]

Answer:

each of them 2 balloons

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Step-by-step explanation:

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Answer:

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<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em> </em><em>4</em><em>2</em>

<em>Question</em><em> </em><em>2</em><em>)</em><em> </em><em>8</em><em>+</em><em>9</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em> </em><em>1</em><em>7</em>

Step-by-step explanation:

<h3>I hope this helps!!</h3>
3 0
3 years ago
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