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Elanso [62]
3 years ago
6

3(x^2+2x-3)-4(4x^2-7x+5) is equivalent to

Mathematics
1 answer:
Harman [31]3 years ago
7 0
Use photo math.........
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0.24 times 0.4<br> Equals
Komok [63]

That would be 0.24(0.4). First, estimate the result: 0.24 is about 1/4, and (1/4)(0.4) is about 0.1.

0.24(0.4) = 0.096 (which agrees with the estimated answer, 0.1).

6 0
3 years ago
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A long time ago Dulani found an island shaped like a triangle with three straight shores of length 3 km 4 km and 5 km.He said no
VikaD [51]
To find the area of his exclusion zone you would need to understand that a triangle with dimensions of 3, 4, and 5 represent a right triangle.

This means the exclusion zone would be applied to the base and the height of the triangular space.

You would add 2 km to the 3 km, and 2 km to the 4 km to create a new height of 5 km and a new base of 6 km.

Please see the attached picture to understand this.

You will find the area of the total space created by the new triangle and subtract the space represented by the original triangle to find the area of the exclusion zone.

(1/2 x 6 x 5) - (1/2 x 4 x 3)
15 km² -6 km² equals 9 km².

The exclusion space is 9 km².

5 0
3 years ago
a right triangle has a 30 degree angle. the leg adjacent to the 30 degree angle measures 25 inches. what is the length of the ot
crimeas [40]
The length of the other leg is 14.4
8 0
3 years ago
Find the length of the third side. If necessary, round to the nearest tenth.
blsea [12.9K]

Answer:

12

Step-by-step explanation:

a² + b² = c²

5² + b² = 13²

25 + b² = 169

b² = 144

b = 12

Answer: 12

5 0
1 year ago
Read 2 more answers
1 1/4 as a whole number
monitta
Probably
Like
Or
Because
It’s
Gong
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A
Decimal 2.75
3 0
3 years ago
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