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3 years ago

Will give brainlyist

Mathematics

1 answer:

Maslowich3 years ago

3 0

Answer:

C. The distance between New York City and Paris is greater by 165 miles.

If you subtract 3628-3463 you get 165 miles

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Which is a solution of x2 – x – StartFraction 3 Over 4 EndFraction = 0?

Anna [14]

Answer:

x = - $\frac{1}{2}$ , x = $\frac{3}{2}$

Step-by-step explanation:

Given

x² - x - $\frac{3}{4}$ = 0 ( add $\frac{3}{4}$ to both sides )

x² - x = $\frac{3}{4}$

Solve using the method of completing the square

add ( half the coefficient of the x- term )² to both sides

x² + 2( - $\frac{1}{2}$ )x + $\frac{1}{4}$ = $\frac{3}{4}$ + $\frac{1}{4}$

(x - $\frac{1}{2}$ )² = 1 ( take the square root of both sides )

x - $\frac{1}{2}$ = ± 1 ( add $\frac{1}{2}$ to both sides )

x = $\frac{1}{2}$ ± 1

Thus

x = $\frac{1}{2}$ - 1 = - $\frac{1}{2}$

x = $\frac{1}{2}$ + 1 = $\frac{3}{2}$

4 0

3 years ago

Read 2 more answers

Please help me with this question

Tema [17]

............................

8 0

3 years ago

a line passes through point (-2,5) and has a slope of 2/3 points a (x,3) and b ( -2, y) lie on the line what is the value of y a

Tomtit [17]

Answer:

The value of y is 5 , and The value of x is - 5

Step-by-step explanation:

Given as :

The line passes through point ( - 2, 5)

The slope of line is m = $\frac{2}{3}$

Equation of line is written as

y - $y_1$ = m × (x - $x_1$ )

Since line passes through line ( - 2 , 5 ) and have slope $\frac{2}{3}$

So, y - 5 = $\frac{2}{3}$ × (x + 2)

Or, 3 × ( y - 5 ) = 2 × ( x + 2 )

Or, 3 y - 15 = 2 x + 4

Or, 3 y - 2 x - 19 = 0 is the equation of line

Now points ( x , 3 ) lies on the line 3 y - 2 x - 19 = 0

So, 3 × 3 - 2 x - 19 = 0

or, 9 - 2 x - 19 = 0

or, 2 x = - 10

∴ x = - $\frac{10}{2}$

I.e x = - 5

Again points ( - 2 , y ) lies on the line 3 y - 2 x - 19 = 0

So, 3 × y + 2 × 2 - 19 = 0

Or, 3 × y + 4 -19 = 0

or, 3 y = 15

∴ y = $\frac{15}{3}$

I.e y = 5

Hence The value of y is 5 , and The value of x is - 5 . Answer

8 0

3 years ago

A college Statistics class conducted a survey concerning community attitudes about the college's large homecoming celebration. T

gogolik [260]

Answer:

A) Yes

B) No

C) No

D) No

Step-by-step explanation:

A) Yes, every telephone number that could occur in that community will have an equal chance of being generated because the telephone numbers were generated randomly.

B) No, this method of generating telephone numbers would not result in a simple random sample (SRS) of local residences because the first three digits were generated in a different random way than the last four digits.

C) No, this method would not generate an SRS of local voters because not everybody will be pick up when they call because they may not be at home or they may be too busy to pick up.

D) No, this method is not unbiased in generating samples of households because there will be nonresponse bias since not everyone will pick up the call

4 0

3 years ago

Sum of one-half of a number and 4 is -16. find the number

Lady_Fox [76]

X is the number
sum means add

sum of half a number and 4 means
(x/2)+4
result is -16

(x/2)+4=-16
minus 4 both sides
x/2=-20
times 2 both sides
x=-40
the number is -40

5 0

3 years ago