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IgorLugansk [536]
3 years ago
7

Round to the place value of the underlined digit 862,840 underlined 6

Mathematics
1 answer:
omeli [17]3 years ago
4 0

Answer:

900,000

Step-by-step explanation:

there you go bud

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Mila [183]
The answer would be 10

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3 years ago
If the total area of a picture measuring 10 inches by 12 inches plus a matting of uniform width surrounding the picture is 224 s
ELEN [110]
Let
x-----------> <span>uniform width surrounding the picture

we know that
(10+2x)*(12+2x)=224-----> 120+20x+24x+4x</span>²=224
4x²+44x+120-224=0
4x²+44x-104=0

using a graph tool-----> to resolve the second order equation
see  the attached figure

the solution is
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the answer is
2 inches

4 0
3 years ago
) Final averages are typically normally distributed with a mean of 72 and a standard deviation of 12.5. Your professor states th
Bad White [126]

Answer:

65.45

Step-by-step explanation:

Zscore = (x - mean) / standard deviation

x = score

Percentage below C :

D = 18% ; F = 12%

Sum = 30%

Obtain the Zscore for the proportion below D

P(Z < 0.30) = -0.524

Hence, Zscore = -0.524

Put Zscore = -0.524 in the equation :

-0.524 = (x - 72) / 12.5

-0.524 * 12.5 = x - 72

-6.55 = x - 72

-6.55 + 72 = x

x = 65.45

To receive a grade of C or better, score must be atleast 65.45

6 0
2 years ago
Evaluate 1/5t + 1/10 when t= 1/2
Aliun [14]

Step-by-step explanation:

\frac{1}{5} ( \frac{1}{2} ) + ( \frac{1}{10} ) \\  \frac{1}{10}  +  \frac{1}{10}  \\  =  \frac{2}{10}  \\  =  \frac{1}{5}

8 0
3 years ago
What percent of 56 is 14?
Marysya12 [62]

Answer:

25 percent

Step-by-step explanation:

Of means multiply and is means equals

P * 56 = 14

Divide each side by 56

P = 14/56

P = .25

To change to a percent, multiply by 100

P = 25 percent

4 0
3 years ago
Read 2 more answers
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