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vovikov84 [41]
2 years ago
14

Is 1.2/3 and 1.8/ 4/5 proportional

Mathematics
1 answer:
Stella [2.4K]2 years ago
3 0

Answer:

No

Step-by-step explanation:

1.2/3 =0.4

4/5 can be written as 0.8

So, 1.8/0.8 = 2.25.

However, 1.8/4/5 is the same as:

1.8/1 ÷ 4/5

Keep Change Flip

1.8/1 x 5/4 = 9/4

(1.8 x 5=9 & 1 x4 =4)

9/4 =2.25

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Kyla makes a triangular school pennant. The area of the triangle is 180 square inches. The base of the pennant is z inches long.
kykrilka [37]
We can represent the base as z and the height as 2z+6. We are going to use the formula A=1/2*b*h and solve for z
180=1/2*z*(2z+6)
360=2z^2+6z 
0=2z^2+6z-360
0=2(z^2+3z-180)
0=(z+15)(z-12)
So z=-15 and 12 but it must be positive so then the base is equal to 12

When we plug this into 2z+6 we get 30 for the height
2(12)+6=30

Hope this helps
4 0
3 years ago
Find f(x)=x^2-x^3,find f(-10)
Elanso [62]

Answer:

Value of f(-10) is 1100

Step-by-step explanation:

Given that f(x) = x² - x³

Here we need to find f(-10).

 f(-10) =  (-10)² - (-10)³

 f(-10) = 100 - (-1000)

 f(-10) = 100 + 1000

 f(-10) = 1100

Value of f(-10) is 1100

3 0
2 years ago
Help me plzzzzzzzzzzz
coldgirl [10]
Simple use the cuboid volume formula for each of them
5 0
3 years ago
Read 2 more answers
Allan drew a polygon with 4 sides and 4 angles. All four sides are equal. None of the angles are right angles. What figure did A
Lady_Fox [76]

Answer: The figure drawn by Alan is a rhombus.


Step-by-step explanation:

Given: Allan drew a polygon with 4 sides and 4 angles with two properties:-

  • All four sides are equal.
  • None of the angles are right angles.

We know that only a rhombus is a flat shape with 4 equal straight sides and 4 angles .All sides have equal length. Its angles need not to be right angle.

Therefore, the figure drawn by Alan is a rhombus.


8 0
3 years ago
Read 2 more answers
2) Suzie has a used Honda Accord she wants to list on Craigslist. She sees similar listings to
sashaice [31]
A: the outlier would be 7500 because it is not as close to the other prices
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