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Goryan [66]
3 years ago
12

Which best describes the triangle or triangles, if any, that can be formed with sides

Mathematics
1 answer:
tiny-mole [99]3 years ago
3 0

Answer:

no triangle

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A tank has a capacity of 10 gallons. When it is full it contains 15% alcohol. How many gallons must be replaced by an 80% soluti
PIT_PIT [208]

Answer:

8.46 gallons needed to be replaced

Step-by-step explanation:

Let x be the alcohol amount that replaced

-Original has concentration of 15% multiply by the amount of 10 ,which is equal to (0.15×10).

-Removed has concentration of 15% multiply by the amount of x ,which is equal to (0.15 × X).

-Added has concentration of 80% multiply by the amount of X ,which is equal to (0.8× X).

-Solution has concentration of 70% multiply by the amount of 10 ,which is equal to (0.70×10).

So that, the equation will be:

Solution=Original + added - removed

7=1.5+0.8x-0.15x

7-1.5=0.65x

0.65x=55

x=55/0.65

x=8.46

8.46 gallons needed to be replaced.

5 0
3 years ago
A line passes through the point (8. -8) and has a slope of
VLD [36.1K]

Answer:

y = 5/4x - 18

Step-by-step explanation:

The slope, intercept form of a straight line is;

y = bx + c

Where, y = slope, given as 5/4

(x, y) is given as ; (8, - 8)

Hence, we need to obtain the value of c, which is the intercept.

x = 8 ; y = - 8

-8 = 5/4x + c

-8 = 5/4(8) + c

-8 = 10 + c

-8 - 10 = c

-18 = c

Hence, equation becomes ;

y = 5/4x - 18

8 0
3 years ago
The mean of children in 5 families is 3. How many children might be in each family if none of them have 3 children??
adoni [48]

Answer:

ftyjbnkdxfcgvhbjn

Step-by-step explanation:

6 0
3 years ago
What is the sum of the roots of x²−10x+1=0?​
Debora [2.8K]

Answer:

1²

Step-by-step explanation

5 0
3 years ago
Dylan lives about 27 miles from the mall. If he can drive at an average rate of 36 miles per hour through town, about how long d
Vlad [161]

Answer:

45 minutes

Step-by-step explanation:

distance / rate = time

27 miles / 36 miles/hr = .75  hr    ( 45 minutes )  

6 0
2 years ago
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