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svet-max [94.6K]
3 years ago
7

Big Reward! (Answer the right answer not just comment).

Mathematics
2 answers:
Zina [86]3 years ago
8 0
A: One solution- a=11 b=5
B: Has no solution- a=10 b=5
C: Infinite solution- a=10 b=-8
frosja888 [35]3 years ago
5 0

Answer:

A. a = 0, b = 2

B. a = 10, b = 0

C. a = 10, b = -8

Step-by-step explanation:

2(5x-4)=ax+b

10x - 8 = ax + b

When a = 10, b = -8

This equation becomes true for all x. Hence infinite solutions.

When a = 10, b is not -8,

This equation has no solution.

One possible combination could be:

a = 10, b = 0

When a is not 10,

The two sides of the equation become two non parallel lines which will intersect at one point.

A combination could be:

a = 0, b = 2

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A square pyramid and a cube have the same total surface area. The width of the cube is 8 centimeters. The base of the pyramid is
azamat

Answer:

Step-by-step explanation:

surface area of cube = 6×8² = 384 cm²

lateral area of pyramid = surface area of pyramid - base area

= 384 - 8²

= 320 cm²

area of triangular face = 320/4 = 80 = ½(base)(slant height) = ½(8)(slant height)

slant height = 20 cm

6 0
3 years ago
Make r the subject of the formula in I=E/R+r​
allochka39001 [22]

Step-by-step explanation:

I =  \frac{E }{ R}  + r

I  -  \frac{ E }{ R}  = r

\frac{I R -E  }{ R}  = r

HOPE IT HELPS Y

8 0
2 years ago
Chips suppose a computer chip manufacturer rejects 2% of the chips produced because they fail presale testing.
Artyom0805 [142]
(a) P( fifth one is bad)  = P( first 4 are OK) * P(5th is bad)

= (0.98)^4 * 0.02 =  0.0184   or 1.84%

(b)  this will be (0.98)^10 =  81.70%



4 0
3 years ago
A side of the triangle below has been extended to form an exterior angle of 64°. Find the value of x.
horsena [70]

180- 64 =116

x°+18°+116°= 180°

x°+134°=180°

x°=180-134

x°=46°

8 0
2 years ago
Read 2 more answers
If you pass a road test, you will get your drivers license. Tamara passed her road test
nadya68 [22]

Answer:

this isn't a specific question you need to be more specific

Step-by-step explanation:

4 0
3 years ago
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