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aliina [53]
3 years ago
14

Which expression is equivalent to 1/3b - 7?

Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
4 0

The answer Is 1/3(b-21)

olga55 [171]3 years ago
3 0

Answer:

\dfrac{1}{3}(b-21)

Step-by-step explanation:

We need to find an equivalent expression for \dfrac{1}{3}b-7

The denominator of first fraction is 3 and that of other is 1.

\dfrac{1}{3}b-7\\\\=\dfrac{b-21}{3}

or

=\dfrac{1}{3}(b-21)

Hence, the equivalent expression is \dfrac{1}{3}(b-21).

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WILL GIVE BRAINLIEST
IrinaVladis [17]

Answer:

y=1/2x-2

Step-by-step explanation:

perpendicular lines have a neg. reciprocal for the slope.

for example:

in this equation y=-2x+1

-2 is the slope and the negative reciprocal would be 1/2

hence, the slop of our new line is 1/2

y=1/2x+b

we can substitute the coordinates given for x and y:

2=1/2(8)+b

2=4+b

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hence the new equation is y=1/2x-2

7 0
3 years ago
I dont understand can someone help?
nalin [4]
First you need to find area of square which is side x side which is 8x8 which is 64. Then you find the side of the triangle which is 14-8 which is 6 then you need to find the height of the dotted line I’m pretty sure there’s a formula but it looks like it’s 8 because it looks like a square so then the formula of a triangle is base times height divided by two so the base is 6 and height is 8 so 6x8 which is 48 and divided by two is 24 then you add the area of the triangle and the area of the square which is 64 so 64+24 which is 88 so I’m pretty sure the area is 88 then just put whatever units after :)
3 0
2 years ago
How many days are in 56 years and show work take a pic or on type
gavmur [86]
56*365=20440
56/4=14 (this is how many leap years are within 56 years)
20440+14=20454 days
6 0
3 years ago
Read 2 more answers
Please help meeee!!!!
Vedmedyk [2.9K]

Answer:

I think it is 7x+5y=40. Tell me if I'm right because don't think I am.

Step-by-step explanation:

5 0
2 years ago
Carla sells hot coffee, cider and tea from a sidewalk cart near wall street in new york city. last month she sold $4,500 worth o
Andre45 [30]
Carla's fixed cot will be given by:
Cost=(cost of beverages)+(salaries)+(utilities)+(rent)
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6 0
3 years ago
Read 2 more answers
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