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Nana76 [90]
3 years ago
10

An orange has 20 fewer calories than a banana. If 7 bananas have the same number of calories as 9 oranges how many calories are

in a banana?
Mathematics
1 answer:
pshichka [43]3 years ago
4 0

7B = 9B - 180

REARRANGE THE VARIABLE ON ONE SIDE AND NUMBER ON THE OTHER SIDE.

we get,

180 = 9B -7B

180 = 2B

therefore B = 180/2

= 90 CALORIES IS THE ANSWER

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What is the solution of 3+ x-2/x-3<_4
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Answer:

x≤2−√6 or 0<x≤2+√6

5 0
3 years ago
What is the height of the wall that is 30 feet long and that required 2310 bricks to build
Diano4ka-milaya [45]
(2310)=7(30)H
2310=210H

<span>11=H

I hope this helps!
</span>
7 0
3 years ago
Help please. Thanks in advance
anygoal [31]
Since they want only the coordinates of the vertices. You only care about where the lines intersect, the greater than, less than signs are irrelevant.

Get each equation in 'y=mx+b' form
1)  y = -x + 9
2)  y = 2x-21
3)  y = -4x +15

Now you can set any 2 equations equal to each other and solve for 'x'.
This will be the 'x' coordinate of the point where the 2 lines intersect.
You need 3 points, so you will need 3 different sets of 2 equations:

1) = 2)
2x -21 = -x+9
3x = 30
x = 10  -----> y = -(10)+9 = -1


1) = 3)
-x+9 = -4x+15
3x = 6
x = 2  -------> y = -(2) + 9 = 7

2) = 3)
2x - 21 = -4x+15
6x = 36
x = 6  ---------> y = 2(6) -21 = -9

Therefore the 3 intersecting points are:
(10,-1)
(2, 7)
(6, -9)
6 0
3 years ago
Help needed ASAP will give BRAINLIEST
andreyandreev [35.5K]

Answer:

I think that it is B

Step-by-step explanation:

<em>Hope this helped you out! Have a great day!</em>

6 0
3 years ago
What number is 4 hundreds,8 tens,and 13 ones
Xelga [282]
400+80+13 = 493 is the number.
6 0
3 years ago
Read 2 more answers
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