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jeka94
3 years ago
11

How many triangles can be constructed with side lengths 5, 7, and 15?

Mathematics
2 answers:
IrinaVladis [17]3 years ago
5 0
More than ne triangle
vovangra [49]3 years ago
3 0
More than one if side lengths can be repeated.

Ex. 5, 5, 5 and 7, 7, 7 

If you have to use those 3 then NONE because 5+7<15
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Jose purchased 3pounds of pasta and 12 ounces of cheese to make macaroni and cheese.what is the total weight in ounces of the pa
AnnyKZ [126]

Answer:

60 ounces

Step-by-step explanation:

3 pounds = 48oz+12oz=60oz

7 0
2 years ago
Is 12.56 greater than or less than 125.6
leva [86]
12.56 is less than 125.6 which could also be written as 12.56<125.6. 12.56 comes farther left on the number line and is of lesser value when compared to the number 125.6.
5 0
3 years ago
Read 2 more answers
List the next four multiples of the faction of 3/5
Ivahew [28]
6/10, 9/15, 12/20, 15/25
3 0
3 years ago
Solve the simultaneous Equation using the two <br> methods<br>4m=n +7<br>3m+ 4n+9=0​
GrogVix [38]

Elimination method:

4m = n + 7

3m + 4n + 9 = 0

<em>First, let's get the equations in the same form.</em>

4m - n - 7 = 0

3m + 4n + 9 = 0

<em>Now let's make multiply the first equation by 4 so we can eliminate n.</em>

16m - 4n - 28 = 0

+3m + 4n + 9 = 0

<em>Now we can add the equations.</em>

16m + 3m - 4n + 4n - 28 + 9 = 0

19m + 0n - 19 = 0

19m - 19 = 0

19m = 19

<em>m = 1</em>

<em>Now we put m back into one (or both) of the original equations.</em>

4(1) = n + 7

4 = n + 7

<em>n = -3</em>

<em>If you plug m into the other equation, you get the same result.</em>

<em />

Substitution method:

4m = n + 7

3m + 4n + 9 = 0

<em>With this method, we plug one of the equations into the other one. I'm going to use m in the second equation as a substitute for m in the second equation.</em>

3m + 4n + 9 = 0

3m = -4n - 9

m = (-4/3)n - 3

<em>Now I can substitute the right side into the first equation like so:</em>

4[(-4/3)n - 3] = n + 7

(-16n)/3 - 12 = n + 7

(-16n)/3 = n + 19

-16n = 3(n + 19)

-16n = 3n + 57

0 = 16n + 3n + 57

0 = 19n + 57

0 = 19n/19 + 57/19

0 = n + 3

<em>-3 = n</em>

<em>And then we put that back into one of the original equations.</em>

4m = n + 7

4m = -3 + 7

4m = 4

<em>m = 1</em>

Hopefully you learned something from this.

5 0
3 years ago
Consuelo's living room is the shape of a rectangle and has an area of 360 square feet. The width of the living room is 5/8 its l
zlopas [31]

Answer:

The answer to your question is length = 24 ft

Step-by-step explanation:

Data

Rectangular-shaped

Area = 360 ft²

lenght = x

width = 5/8x

Formula

Area = length x width

- Substitution

360 = (x)(5/8x)

- Solve for x

360 = 5/8x²

x² = 360(8)/5

x² = 2880 / 5

x² = 576

- Result

x = 24 ft

- Conclusion

The length of the living room is 24 ft and the width is 24(5/8) = 15 ft.

3 0
3 years ago
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