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Elodia [21]
3 years ago
8

Which expression is equivalent to (7 - 2x) + (-4x – 10)?

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
4 0

Answer:

this answer should be -6x - 3

Step-by-step explanation:

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Brian was thinking of a number . Brian doubles it and gets an answer of 93.3.what was the original number?
just olya [345]

Answer:

The answer is 49.65

Step-by-step explanation:

99.3 divided by 2 gives you the answer.

8 0
3 years ago
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Please answer me<br />bis two fifths of c.<br />4a = 30<br />Work out the ratio a:b:c<br />Give your ans
irina [24]

b is two fifths of c, so we make this a ratio with c = 1.

The ratio of b:c is 2/5 : 1

We also have 4a = 3c, rewrite this ratio so c is 1 by dividing both sides by 4,

so we get the ratio of a to c as 3/4 : 1

Now we get the a:b:c ratio of 3/4 : 2/5 : 1 now we can change the fractions to whole numbers, first by multiplying the 3 numbers by 4 to get get rid of the denominator of 4 in a:

3 : 8/5 : 4

Now multiply the 3 numbers by 5 to remove the denominator  of 5 in b:

15 : 8 : 20

Now we can check using the equations:

b is 2/5 of c:  20 x 2/5 = 40/5 = 8 This is true.

4a = 3c: 4(15) = 3(20) = 60 = 60, this is also true.

The ratios is 15 : 8: 20

7 0
2 years ago
What are the X and Y intercepts of the line in the graph?
vovikov84 [41]

Answer:

Y-int: (0,3)

X-int: (4,0)

Equation: y = -3/4x + 3

Step-by-step explanation:

3 0
2 years ago
Identify the terms in the following algebraic expression.<br> 6 x squared plus 5 xy
sukhopar [10]

The first would be “6x squared” and the 2nd term would be “5xy”

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3 years ago
What is math in chinese
Anestetic [448]
Im a bit rusty but i believe the characters are 数学(translates to "Mathematics") and is pronounced "shuxue"
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3 years ago
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