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allsm [11]
3 years ago
7

Sue wrote a double fact. It has a sum less than 10 and greater than 4. The addends are each less than 5. What fact might she hav

e written?
Mathematics
1 answer:
zloy xaker [14]3 years ago
8 0
It could be:
3+4=7
2+4=6
1+4=5
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The answer lies in between the number 1 and 2. 
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3 years ago
Andre tried to solve the equation 1/4(x + 12) = 2. What was his mistake? *
Umnica [9.8K]

Answer:

x=-4

Step-by-step explanation:

x+12=8    

x=8-12

Andre did not multiple both by four to get the exact whole number. He also, didnt subtract 12 which is not possible due to it being multiplied by 1/4.

5 0
3 years ago
Write an expression to represent the perimeter of:<br> 2a-3<br> 2a<br> 3a+1
Marina86 [1]
I am assuming this is a triangle.....P = a + b + c

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5 0
3 years ago
You are making a new type of deodorant from two different mixtures the first mixture is 30% smell proof and the second mixture i
Readme [11.4K]

Answer:

600 L of 30% proof and 400 L of 80% proof is needed

Step-by-step explanation:

Let the amount of 30% smell proof be x while that of 80% smell proof is y

Then;

x + y = 1000 •••••(i)

Also;

30% of x + 80% of y = 50% of 1000

0.3x + 0.8y = 500 •••••(ii)

From i, x = 1000 - y

Put this into ii

0.3(1000-y) + 0.8y = 500

300 - 0.3y + 0.8y = 500

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0.5y = 200

y = 200/0.5

y = 400 L

But x = 1000 - y

x = 1000 - 400 = 600 L

3 0
3 years ago
What is 1 2/7 divided by 1 1/7
pickupchik [31]

1.125

have a luvly day! :)

8 0
2 years ago
Read 2 more answers
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