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finlep [7]
3 years ago
6

Please help me now :c

Mathematics
1 answer:
PtichkaEL [24]3 years ago
3 0

Answer:

\frac{16}{25}

Step-by-step explanation:

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The quotient of 1/2 divided by 1 3/4
Alekssandra [29.7K]

Answer:

2/7

Step-by-step explanation:

1

2

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1 3

4

=  

1

2

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7

4

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1

2

×  

4

7

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2 × 7

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14

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6 0
3 years ago
The population of China was about 1,360,000,000 people in 2014. Which number best approximates the population as a single digit
Burka [1]

Answer: 1 * 10^9

Step-by-step explanation:

1*10^9 = 1,000,000,000, which is the closest you can get.

Hope it helps <3

4 0
3 years ago
Read 2 more answers
Using synthetic divison, what is the quotient of this expression? <br>2x^2+5x-7 over x-2​
a_sh-v [17]

Answer:

A. 2x + 9 + 11 over x - 2

Step-by-step explanation:

2x^2+5x-7 over x-2​

divide - 2x^2 + 5x - 7 over x - 2 = 2x + 9x - 7 over x - 2

= 2x + 9x - 7 over x - 2

divide - 9x - 7 over x - 2 = 9 + 11 over x - 2

= 2x + 9 + 11 over x - 2

7 0
3 years ago
Somebody please help me ASAP!
muminat

Answer:

-3 the reaction force will be 3, the net force will have to add up to 0.

Step-by-step explanation:

8 0
3 years ago
Ten pairs of data yield r = 0.003 and the regression equation =2+3x Also, the mean = 5 What is the best predicted value of y for
Olenka [21]

Answer:

\hat y(2)=2 +3(2) =8

C 8.0

Step-by-step explanation:

Assuming the linear model y=mx+b where m is the slope and b the intercept.

For this case the slope with the following formula:

m=\frac{S_{xy}}{S_{xx}}

Where:

S_{xy}=\sum_{i=1}^n x_i y_i -\frac{(\sum_{i=1}^n x_i)(\sum_{i=1}^n y_i)}{n}

S_{xx}=\sum_{i=1}^n x^2_i -\frac{(\sum_{i=1}^n x_i)^2}{n}

b=\bar y -m \bar x

After the calculations we see that m=3 and b=2 from the info given by the linear model.

For this case we have the equation obtained by least squares given by:

\hat y =2 +3x

Where 2 represent the intercept and 3 the slope. We are interested on the best predicted value of y when x=2.

If we see our linear model we have the equation in terms of y and x. So we can replace directly the value of x=2 into the equation and see what we got:

\hat y(2)=2 +3(2) =8

5 0
3 years ago
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