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andrew-mc [135]
2 years ago
7

I cannot do this question and i am stuck

Mathematics
1 answer:
Mashutka [201]2 years ago
5 0

Answer:

-57

Step-by-step explanation:

log \frac{ {c}^{7} }{ {a}^{6} {b}^{2}  }  \\  \\  = log {c}^{7}   - log( {a}^{6} {b}^{2} )  \\  \\  = log {c}^{7}   - (log {a}^{6} +  log{b}^{2} )\\  \\  = 7 \: log {c}   - (6 \: log {a}+  2 \: log{b})\\  \\  = 7 \:( - 9) - [6 \: ( - 5)+  2 \: (12)] \\  \\  =  - 63 - [ - 30 + 24] \\  \\  =  - 63 - [- 6] \\  \\  =  - 63 + 6 \\  \\  =  - 57

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The ordered pair (-4, -5) is a solution of the following system of equations 2x+y=13 19x+13y=15
liberstina [14]

Answer:

Step-by-step explanation

672

8 0
2 years ago
The distance from the center of a circulartrashcan to the edge of the trashcan is 15 inches.What is the area of the top of the t
Black_prince [1.1K]

Answer:

706.95in²

Step-by-step explanation:

This problem bothers on the mensuration of solid shapes, a cylinder

Step one

The trash can has a cylindrical shape

The distance from the center to the edge is the radius r= 15in

Step two

Area of top (circular ) = πr²

A= 3.142*15²

A= 3.142*225

A= 706.95in²

5 0
2 years ago
Solve −3x2 + 30x − 90 = 0. x equals 5 plus or minus 2i square root of 5 x equals 5 plus or minus i square root of 5 x equals 10
Tcecarenko [31]
The x in your equation is 16/5 or 3 1/5 or 3.2 if you want it simplified 
5 0
2 years ago
Read 2 more answers
Which set of angle measures could be the interior angles of a triangle? A. 15°, 48°, 27° B. 56°, 45°, 46° C. 42°, 84°, 64° D. 93
TEA [102]

Answer:

D. 93°, 29°, 58°

Step-by-step explanation:

In a triangle we can only have 3 Interior angles.

The sum of the Interior angles in a triangle = 180°

Adding up the given Interior angles in the above question:

A. 15°, 48°, 27°

= 15° + 48° + 27°

= 90°

90° ≠ 180°

Option A is wrong

B. 56°, 45°, 46°

= 56 ° + 45° + 46°

= 147°

147° ≠ 180°

Option B is wrong

C. 42°, 84°, 64°

= 42° + 84° + 64°

= 190°

= 190° ≠ 180°

Option C is wrong.

D. 93°, 29°, 58°

93° + 29° + 58°

= 180°

180° = 180°

Option D is the correct Option.

Therefore, the set of angle measures that could be the interior angles of a triangle is Option D. 93°, 29°, 58°

8 0
3 years ago
5(-6-3d)=3(8+7d)(if there is no solution,type in ''no solution'')d= Answer
swat32

In this question, you're solving for d.

Solve for d:

5(-6 - 3d) = 3(8+7d)

Use the distributive property:

-30 - 15d = 3(8+7d)

-30 - 15d = 24 + 21d

Add 30 to both sides:

-15d = 54 + 21d

Subtract 21d from both sides

-36d = 54

Divide both sides by -36

d = -3/2

Answer:

d = -3/2 or -1.5

6 0
2 years ago
Read 2 more answers
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