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nataly862011 [7]
3 years ago
7

Becky is making a necklace using blue beads and black beads. Complete the ratio table to find the number of blue beads she adds

when she uses 12 black beads.
Number of Blue Beads 4 8 12 ?
Number of Black Beads 3 6 9 12
Mathematics
1 answer:
Effectus [21]3 years ago
7 0

Answer:

16

Step-by-step explanation:

First find the difference between each number of Blue Beads, 4. Then the difference between the number of Black Beads, 3. So, divide 12 by 3, 4. Lastly, multiply the 4 by the difference of Blue Beads, which is 4. 4 times 4 is 16

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Suppose P(E) = 0.3. Find P(not E). Suppose P(not E) = 65%. Find P(E).
larisa [96]
Try this option:
1. rule: P(E)+P(not E)=1.
2. according to the rule above
P(not E)=1-P(E)=1-0.3=0.7;
P(E)=1-P(not E)=(100-65)%=35%.
6 0
3 years ago
What equation represents a line which is parallel to the y-axis
sasho [114]

Answer:

y-axis is x = 0

Step-by-step explanation:

if P(x, y) is any point on AB, then x = a. Hence, the equation of a straight line parallel to the y-axis at a distance from it is x = a. The equation of the y-axis is x = 0, since, the y-axis is parallel to itself at a distance 0 from it.

4 0
2 years ago
Which number equals 3^-3
kogti [31]

Answer: It would equal 1/27.

Step-by-step explanation: Any number raised to a negative exponent, essentially means you reciprocal to get rid of the negative. After that, you do the math for the number in the denominator, without considering the negative sign. You could also do it the other way, do the function first without the negative, 3^3 is 27 and then applying the negative, reciprocal it to 1/27.

4 0
3 years ago
Find the slope of the line that passes through the points (4, 3) and<br> (2, 7).
timofeeve [1]

Answer:

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Step-by-step explanation:

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use slope formula

5 0
3 years ago
Last year Mr. Ingles total income was 52000+ total expenses were 53800 use expression I-E/12 where I represents total income in
Olegator [25]

Answer:

-$150

Step-by-step explanation:

Given:

(I - E) / 12

Where,

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E = total expenses

I = $52,000

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-$150 shows that Mr. Engle's total expenses exceeds his total income per month with an average of $150

8 0
3 years ago
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