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____ [38]
3 years ago
5

The bar graph shows the numbers and colors of cars in a parking lot. The total number of silver and black cars equal the total n

umber of red, white, and blue cars. How many black cars in the parking lot? A)9 , B) 10, C)15, D)30

Mathematics
2 answers:
Bingel [31]3 years ago
5 0
Your answer is 15 Hope this helps!
Angelina_Jolie [31]3 years ago
3 0
Red + white + blue = silver +black
4 + 9 + 2 = 6 + black
15 = 6 + black
-6. -6
9=?

There are a) 9 back cars
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Is 5/7 greater than 10/13
NeTakaya

Answer:

No is false

Step-by-step explanation:

5 / 7 > 10 / 13 = False

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3 years ago
The popping-times of the kernels in a certain brand of microwave popcorn are normally distributed with a mean of 150 seconds and
RSB [31]
The z-score of the data can be calculated by the formula expressed as follows:

z = ( score - mean ) / standard deviation
z = (126 - 150 ) / 11 = <span>-2.18
</span>
A z-Score<span> is a statistical </span>measurement<span> of a </span>score's<span> relationship to the mean in a group of </span>scores<span>. A </span>Z-score<span> of 0 means the </span>score<span> is the same as the mean.</span><span>

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6 0
3 years ago
Read 2 more answers
Rearrange to make x the subject t=bx/3
g100num [7]

Answer:

x = 3t/b

Step-by-step explanation:

Step 1: Multiply both sides by 3

t = bx/3

3t = bx

Step 2: Divide both sides by <em>b</em>

3t/b = x

8 0
3 years ago
Dose anyone know the answers to this? I'm taking a test and cant find the answer
Andrews [41]
I’m not sure but I think
F (2, -1)
G (1, -3)
H (-3, -1)
4 0
2 years ago
Sin * (x - y) , if sin x = 8/17 cos y = 12/37
abruzzese [7]

Answer:

-429/629

Step-by-step explanation:

Use angle difference formula:

sin(x − y) = sin x cos y − sin y cos x

Assuming x and y are in the first quadrant:

sin(x − y) = sin x cos y − √(1 − cos²y)√(1 − sin²x)

Plugging in values:

sin(x − y) = (8/17) (12/37) − √(1 − (12/37)²)√(1 − (8/17)²)

sin(x − y) = (8/17) (12/37) − (35/37)(15/17)

sin(x − y) = -429/629

8 0
3 years ago
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