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sp2606 [1]
3 years ago
11

(-6.7x 2 + 2.3x y + 5.2) - (-14.9x 2 - 3.5x y + 7.1)

Mathematics
1 answer:
zloy xaker [14]3 years ago
5 0
(13.4 + 2.3y + 5.2) - (29.8 - 3.5y + 7.1)
(18.6 + 2.3y) - ( -29.8 - 3.5y)
18.6 + 2.3y + 29.8 + 3.5y
18.6 + 29.8 + 2.3y + 3.5y 
41.3 + 5.8y
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Molly and George earned 352 points together. Molly has half the number of points as George. Which equation could represent this
Kitty [74]

Answer: A. g+2g =352

Step-by-step explanation:

Let points : g

If molly has half of George then let

Let molly : 1

Let George: 2

Therefore g*1 =g

And g*2 = 2g

So, g+2g = 352

6 0
3 years ago
Solve for t. f(t)=-16t^2+576​
IgorC [24]

Answer: t^2=-f-576/16

Step-by-step explanation:

Step 1. Switch the equation around:

-16t^2+576=f

Step 2. Subtract 576 from each side:

-16t^2+576-576=f-576

Step 3. Now simplify:

-16t^2=f-576

Step 4. Divide everything now by -16:

-16t^2/-16=f/-16-576/-16

Step 5. Simplify again:

t^2=-f-576/16

Hope I could help! :)

3 0
3 years ago
Which table matches with the linear equation y = - 2x - 3?
Vera_Pavlovna [14]

Answer:

b

Step-by-step explanation:

8 0
3 years ago
Pls help im v confused​
dolphi86 [110]

Answer:

Here's the answer hope it helps!!

3 0
2 years ago
Round 89,678 to the nearest hundred thousand
zmey [24]

Answer:

The nearest 100,000 of 89,678 would be 100,000.

Step-by-step explanation:

For me to simply put this, ignore the digits behind the commas.

You'll have 89, and imagine you have to get it to the nearest 100.

So when rounding / estimating, if the digit you're talking about is above 5, you round up. If it is below 5, you round down.

Since you have 89, you'd round up to a 100 because 89 is over 50.

Therefore you'd have 100,000 if you're rounding 89,678 to the nearest hundred thousand.

5 0
3 years ago
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