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NARA [144]
3 years ago
9

Omg can someone plzz help me

Mathematics
1 answer:
Alla [95]3 years ago
7 0

Answer:

do you mean to put it in y=mx+b form because that would be y=2+2

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Please help me with this question
muminat

The exercise is apparently directed toward getting you to group the positive integers together and the negative integers together before you work out the difference. Doing that gives you ...

a) (10 +5) -19

b) = 15 -19

= -4

_____

Personally, I wouldn't do that <em>for this problem</em>. If you do the arithmetic in order, it seems easier to me because you're only doing single-digit arithmetic after the first sum.

= (10 -19) +5

= -9 +5

= -4

_____

The idea is that there are different stratgies that you can employ to simplify your work and reduce errors. Grouping positive and negative numbers together is one such strategy. Arranging the sums so they almost cancel is another strategy you can use.

4 0
3 years ago
Does each equation represent exponential decay or exponential growth?
agasfer [191]

An exponential equation is represented as: \mathbf{y = ab^x}, where b represents rate

  • Exponential growth: \mathbf{y = 5(7)^x},  \mathbf{y = 3(4.2)^x} and \mathbf{y = 0.6(1.3)^x}
  • Exponential decay: \mathbf{k = 4.2(0.28)^x}
  • Neither: \mathbf{h(x) - 3x + 1.3}

An exponential equation is said to represent growth, if the rate is greater than 1, while it represents decay if the rate is less than 1.

This means that:

\mathbf{y = 5(7)^x},  \mathbf{y = 3(4.2)^x} and \mathbf{y = 0.6(1.3)^x} represent exponential growth because 5, 4.2 and 1.3 are greater than 1

Also,

\mathbf{k = 4.2(0.28)^x} represents exponential decay because 0.28 is less than 1

While

\mathbf{h(x) - 3x + 1.3} is not an exponential function

Read more about exponential functions at:

brainly.com/question/11487261

5 0
2 years ago
Express 12.5% as a decimal<br><br> Thanks :)
diamong [38]
12.5%
<span>to convert from percent to decimal: divide by 100, and remove the "%" sign.
</span>
12.5 ÷ 100 = 0.125
7 0
3 years ago
Rob has 240 lb of water if he divided by 30 cans how much does he have?​
s344n2d4d5 [400]
The answer is 8lbs per can
240 divided by 30 is 8
3 0
3 years ago
Do these ratios make a proportion? 4:10 and 6:15<br><br> I NEED THIS ASAP!!! Thanks!
Sonbull [250]

To see if these ratios make a proportion let us first change them into fractions

= 4:10 = 4/10 = 4 ÷ 2 / 10 ÷ 2 = 2/5

= 6:15 = 6/15 = 6 ÷ 3 / 15 ÷ 3 = 2/5

= Since both these ratios are getting simplified into a same fraction , they are proportional .

Therefore , 4 : 10 :: 6 : 15 ( 4 : 10 is proportional to 6 : 15 )

5 0
3 years ago
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