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Andrew [12]
3 years ago
14

What is the product of 2a-7/a* 3a^2/2a^2-11a+14

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
8 0

Answer:

B. 3a/a-2

Step-by-step explanation: according to e2020

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A rectangle is 2.5 times as long as it is wide. Find the dimensions of the rectangle if it is perimeter is 56 cm.
antoniya [11.8K]
Perimeter of a rectangle = 2 (length + breadth)
or, 56 = 2(2.5 breadth + breadth)
or, 56 = 7*breadth
breadth = 56*7 = 8 cm
length = 2.5*8 = 20 cm
6 0
3 years ago
A stuffed animal that originally cost $120 is on sale for $80. By what percent has the original cost been reduced
Otrada [13]

Answer:

The cost has been reduced by approximately 33%.

Step-by-step explanation:

1% of 120 is 1.2.

80 divided by 1.2 is 66.66666666...

Meaning that $80 is about 66% of the original cost. Therefore, about 33% of the cost was removed.

Hope this helps

5 0
2 years ago
What are the solutions to the quadratic equation 5x2 + 15x = 0?
Citrus2011 [14]

Answer:

<em>x</em><em> </em><em>=</em><em> </em><em>-</em><em>2</em><em>/</em><em>3</em>

Step-by-step explanation:

<em>5</em><em> </em><em>*</em><em> </em><em>2</em><em> </em><em>+</em><em> </em><em>1</em><em>5</em><em>x</em><em> </em><em>=</em><em> </em><em>0</em><em> </em>

<em>t</em><em>h</em><em>e</em><em> </em><em>s</em><em>o</em><em>l</em><em>u</em><em>t</em><em>i</em><em>o</em><em>n</em><em> </em><em>i</em><em>s</em><em> </em><em>:</em><em> </em><em>x</em><em> </em><em>=</em><em> </em><em>-</em><em>2</em><em>/</em><em>3</em>

3 0
3 years ago
Read 2 more answers
BD bisects ZABC. Solve for x and find mABC.<br> m/ABD = 11x - 10, m/CBD = 8x + 2
Tamiku [17]

The value of x is 4 and the value of ∠ABC is 68°.

To solve this problem we first have to understand the concept of an angle bisector. Angle bisector is a straight line passes through the vertex of an angle dividing the angle in two equal angles.

According to the condition BD bisects ∠ABC

Therefore the two angles formed by the angle bisector are ∠ABD and ∠CBD.

The angle value of these two angles are equal.

Given:

m∠ABD=11x-10

m∠CBD=8x+2

Therefore from the above condition:

m∠ABD=m∠CBD

Substituting the values we get:

11x-10=8x+2

Solving the linear equation to find the value of x.

or,11x-10=8x+2\\or,11x-8x=2+10\\or,3x=12\\or,x=4

Now let us find the value of ∠ABC

m∠ABC=m∠ABD+m∠CBD

or,∠ABC=11x-10+8x+2

or,∠ABC=19x-8

Substituting the value x=4 in the equation we get:

m∠ABC=19×4-8

or,m∠ABC=68°

Therefore we can conclude that the value of xis 4 and the value of ∠ABC is 68°.

To learn more about angle bisectors:

brainly.com/question/12896755

#SPJ9

7 0
1 year ago
Sam is playing a game where he flips a coin and rolls a number cube labeled 1 through 6. He listed the possible outcomes in the
svetoff [14.1K]
H,6 and T,4 easy to miss them
4 0
3 years ago
Read 2 more answers
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