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Stells [14]
4 years ago
9

What is the value of B after the equation A=3/7(B-25)

Mathematics
1 answer:
GenaCL600 [577]4 years ago
7 0
If your equation is A = 3(B-25)/7, then we can solve for B by isolating B on one side. We can do this by the following...

First, multiply both sides by 7
7A = 3(B-25)

Next, divide both sides by 3.
7A/3 = B - 25

Finally, add 25 to both sides.
7A/3 + 25 = B

Therefore, B = 25 + 7A/3
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How many legs were there in the presents over the twelve days in the twelve days of Christmas???
mina [271]
202

(12x2) +22+20+18+72+14+12+0+8+6+4+2= 202
4 0
3 years ago
What single percentage change is equivalent to a 12% increase followed by a 14% decrease?
n200080 [17]

Answer:

3.68% decrease

Step-by-step explanation:

12% increase = 112% of the original value

112% as a decimal = 112/100 = 1.12

14% decrease = 100% - 14% = 86% of the original value

86% as a decimal = 86/100 = 0.86

Therefore, if you increase the number n by 12% and then decrease by 14%:

n × 1.12 × 0.86 = n × 0.9632

0.9632 as a percentage = 0.9632 × 100 = 96.32%

Therefore, the overall percentage change is 100% - 96.32% = 3.68% decrease

8 0
2 years ago
Help!!!! I need help with this one
Taya2010 [7]

Answer:

y=1/3x+2

Step-by-step explanation:

y=mx+b form is where m = the slop and b = the y interecept.

Y - Intercept

we can tell the y-intercept is 2 just by looking at the graph

Slope

For the slope, we can pick two points on the line, in this case, I will pick the points (0,2) and (3,3). Then, we can use the slope formula (y2-y1)/(x2-x1) to find the points, and after plugging the points in, we get 1/3, which is the slope

Plugging the numbers into slop intercept form

So we now know the slope is 1/3 and y-intercept is 2, so after plugging it into slope-intercept form (y=mx+b), we get y=1/3x+2

5 0
2 years ago
Multiply
konstantin123 [22]

Answer:

7•3 = 21

Step-by-step explanation:

Improper Fraction: 21/4

Simple Fraction: 5 1/4

5 0
4 years ago
Write the equation of the line with the given slope and y-intercept.
Alex787 [66]
A) y=5x+8

See clipped image for explanation

Comment below if you have trouble seeing the image or if you have more questions :)
4 0
3 years ago
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