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bixtya [17]
3 years ago
13

6 + 12 = 25 - Which value makes the number sentence true? A. 6 B. 7 C. 12 D. 18

Mathematics
1 answer:
max2010maxim [7]3 years ago
4 0

Answer:

7

Step-by-step explanation:

6+12=18

25-7=18

7 makes the sentance true.

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Somebody help me with this please .
erastova [34]

Step-by-step explanation:

12. Cos 60° = 8/c

0,5 = 8/c

0,5 c = 8

c = 16

D² = V16²-8²

= V256-64

=V192 = V16×12 = 4V12

= 4V4×3 = 8V3

13. Cos 30° = 6/b

V3/2 = 6/b

V3 b = 12

b = 12/V3

b/Sin B = a /sin A

b/Sin90° = 6/ sin 60°

<u>b</u> = <u> </u><u> </u><u> </u><u>6</u><u> </u><u> </u><u> </u>

1 V3/2

b× <u>V3</u> = 6

2

b = 6× 2/V3

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8 0
3 years ago
What is the standard form of this polynomial: 7 - x³ + 2x - 4x²?
Nadya [2.5K]

Answer:

−x^3−4x^2+2x+7

Step-by-step explanation:

3 0
2 years ago
Over 6 days jim jogged 6.5 miles 5 miles 3 miles 2 miles 2 miles 3.5 miles and 4 miles. What is the mean distance that jum jogge
Marizza181 [45]

Mean means average.

To find the average, add the data then divide it by the amount of individual data you have.

(6.5 + 5 + 3 + 2 + 2 + 3.5 + 5)/2 = mean

27/2 = mean

13.5 = mean

13.5 miles is the mean distance that Jim jogged.

5 0
3 years ago
1/3 of the Color chocolate in a bag are red and 3/10 are blue. What fraction of the color chocolate or not red or blue
Blizzard [7]
11/30 is the correct answer
8 0
3 years ago
Assume that after t hours on the job, a factory worker can produce 100te^-.5t units per hour. How many units does the worker pro
VMariaS [17]
The number of units produced by the worker during t hours of work can be modelled by the following function:

N(t)=100t e^{(-0.5t)}

To find the number of units produced during first 3 hours, we can substitute 3 for t. This will give us the number of units produced by the worker during first 3 hours.

N(3)=100(3) e^{-0.5(3)} = 67

Thus the worker will produce 67 units during the first 3 hours of the work. 
5 0
3 years ago
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