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dusya [7]
3 years ago
5

423 times 28 in grid method

Mathematics
1 answer:
agasfer [191]3 years ago
7 0

Answer:

Step-by-step explanation:

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27.96 round to the nearest tenth
Serjik [45]
Your tenths place is the 6. If a number is above 5, you round up. and since this number is 96, you would round to 100, but since its a decimal, you round up the actual number to make 28.00. Final answer: 28
7 0
3 years ago
Help please due today
iogann1982 [59]

Answer:

b = 36

Step-by-step explanation:

27 divided by 6 = 4.5

45 divided by 10 = 4.5

- so, each point was multiplied by 4.5

8 times 4.5 = 36

6 0
3 years ago
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Please can someone help me on these? solve this equation by factorising: 2x^2 + 5x + 2 = 0
slavikrds [6]
2x^2 + 5x + 2 = 0\\
2x^2+4x+x+2=0\\
2x(x+2)+1(x+2)=0\\
(2x+1)(x+2)=0\\
x=-\frac{1}{2} \vee x=-2

x^2-4x+1=0\\
x^2-4x+4-3=0\\
(x-2)^2=3\\
x-2 =\sqrt3 \vee x-2=-\sqrt3\\
x=2+\sqrt3 \vee x=2-\sqrt3
7 0
3 years ago
Can someone help me out please?? I don’t understand and this is 7th grade math stuff btw.
Vitek1552 [10]
It would be 28-10=x because your ending up with 28 after earning 10 you would get that. Hope this works!
4 0
3 years ago
A car traveled 3⁄4 mile in one minute at constant speed. What was the speed of the car in miles per hour?
Vanyuwa [196]
60 min = 1 hr 

3/4 * 60 = mph  (miles per hour)

3/4 * 60 = 45

The speed of the car in mph (miles per hour) 

will be 45 mph

Answer = 45mph

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8 0
4 years ago
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