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Leya [2.2K]
3 years ago
13

Practice

Mathematics
1 answer:
TEA [102]3 years ago
4 0

Answer:

B. -0.5

Step-by-step explanation:

I calculated it logically

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18z-13=-4 solve for z
Murljashka [212]

Answer: 20 ;)

Step-by-step explanation:

4 0
3 years ago
Does every acute triangle have 3 congruent sides?
Gemiola [76]
No. Just because the angles are all less than 90 degrees, that doesn't tell us anything about the sides. The sides are all congruent ONLY if all 3 angles are 60 degrees each. If the angles all have different sizes, then so do the sides.
4 0
3 years ago
**NO LINKS** Help please!<br><br>Need the value of both h and k
ANEK [815]
I have the same question that i don’t understand sorry i’m commenting so i can see if anyone else gets that answer
5 0
2 years ago
13. In the triangle below, the sides have length x + 3, 3x - 1. and 4x. Determine the range of possible
11Alexandr11 [23.1K]

Answer:

Hence as long as x > 2/3, we can form a triangle from the three given sides.

Step-by-step explanation:

Given:

Length of 3 sides of triangle are x+3, 4x,3x-1

Solution:

From the length of the 2nd side 4x, we know that x > 0

Let this be 1 st statement.

Now from the triangle inequality we can say that;

x + 3 + 4x > 3x -1\\5x+3>3x-1\\5x-3x>-1-3\\2x>-2\\x>-1

No new information from this because of the 1st statement above.

Also,  

4x + 3x - 1 > x +3\\7x-1>x+3\\7x-x>3+1\\6x>4\\x>\frac{4}{6}\\\\x>\frac{2}{3}

Lastly,

x+3 +3x - 1 > 4x\\4x-2>4x\\4x-4x>2\\0>2

and again no new information is obtained from this inequality.

Hence as long as x > 2/3, we can form a triangle from the three given sides.

7 0
3 years ago
The Sugar Sweet Company is going to transport its sugar to market. It will cost $3500 to rent trucks, and it will cost an additi
lora16 [44]

Using the y = mx + b formula

C = 225s + 3500

Then to transport 19 tons

C = 225(19) + 3500

C = 4275 + 3500

C = 7775

6 0
3 years ago
Read 2 more answers
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