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snow_tiger [21]
3 years ago
6

Which of the following sets of numbers could be the lengths of the sides of a triangle? A. 3.5 cm, 7 cm, 10.5 cm B. 3.5 cm, 7 cm

, 14 cm C. 3.5 cm, 3.5 cm, 3.5 cm D. 3.5 cm, 5 cm, 10 cm
Mathematics
2 answers:
Marianna [84]3 years ago
6 0

c
because the question does not specify the type of triangle. so the best is a right angled triangle.

trapecia [35]3 years ago
5 0
Option c
Because the sum of two sides of a triangle is greater than the third side
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A. Find the slope of the line that passes through the points (2,-5) and (-2,3).
Crazy boy [7]

Answer:

a) Slope: -2

b) y=2/5x+2

C) x=2.5

D) y=-7x-2

Step-by-step explanation:

I don't want to type all my work but that's what i got

5 0
2 years ago
Which question is statistical?
pickupchik [31]
The last three, I believe, are statistical.
6 0
3 years ago
Can anybody help me plzz​
Fittoniya [83]

Answer:

  1 : 12 : 4

Step-by-step explanation:

Let A, G, C represent the ages of Alex, George, and Carl, respectively. We are told that ...

  A = G +12

  C = 3A . . . . . . . we read this as "3 times as old"; not "3 times older"

  A + G + C = 68

Substituting for G and C, we have ...

  A + (A -12) +(3A) = 68

  5A = 80 . . . . . add 12

  A = 16 . . . . . . . divide by 5

The other ages are then ...

  G = A-12 = 16 -12 = 4

  C = 3A = 3·16 = 48

The ratios are ...

  G : C : A = 4 : 48 : 16

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7 0
2 years ago
Grapes cost $4.99 for 4 pounds at the supermarket.They 6.99 for 6 pounds at food mart.Witch store has a better deal?
Triss [41]

Answer:

food mart

Step-by-step explanation:

supermarket= 1 pound cost $1.2475

food mart= 1 pound cost $1.17

5 0
3 years ago
Use the quadratic formula to solve the equation x^2-7x-6=0
olganol [36]

Answer:

\frac{7\pm\sqrt{73}} {2}

Explanation:

We have been given with the quadratic equation x^2-7x-6=0

We have general formula to find the roots of a quadratic equation first we find the discriminant with formula

D=b^{2}-4ac

and after that to find the variable suppose x we have the formula

x=\frac{-b\pm\sqrt{D}} {2a}

And general quadratic equation is

ax^2+bx+c=0

On comparing the given quadratic equation with genral quadratic equation we will have values

a=1, b=-7 and c=-6

After substituting these values in the formula we will get  

D=(-7)^2-4(1)(-6)={73}

After substituting in the formula to find x we will get

\frac{-(-7)\pm\sqrt{73}} {2}= \frac{7\pm\sqrt{73}} {2}

4 0
3 years ago
Read 2 more answers
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