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3 years ago

Question 6

Mathematics

1 answer:

Sladkaya [172]3 years ago

8 0

Answer:

Between $59.50 and $61.50

Step-by-step explanation:

Since this is about, we have to round the numbers.

85.58 is rounded to 86

24.98 is rounded to 25

2.49 is rounded to 2.50

Therefore:

86 - 25 - 2.50 = 59.50

So the correct answer is #3

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M is the midpoint of RS. R has coordinates (-2,-3) and M has coordinates (1,0). Find the coordinates of S.

Marta_Voda [28]

Answer:

$(4,3)$

Step-by-step explanation:

Given

$R = (-2,-3)$

$M = (1,0)$

Required

Determine the coordinates of S

Midpoint is calculated as:

$M(x,y) = \frac{1}{2}(x_1 +x_2,y_1+y_2)$

Where:

$(x,y) = (1,0)$

$(x_1,y_1) = (-2,-3)$

Substitute these values in the above formula:

$(1,0) = \frac{1}{2}(-2 + x_2,-3+y_2)$

Multiply through by 2

$2 * (1,0) = 2 * \frac{1}{2}(-2 + x_2,-3+y_2)$

$(2,0) = (-2 + x_2,-3+y_2)$

By direct comparison:

$2 = -2 + x_2$ and $0 = -3 + y_2$

Solving for x2

$2 = -2 + x_2$

$x_2 = 2 + 2$

$x_2 = 4$

Solving for y2

$0 = -3 + y_2$

$y_2 = 0 + 3$

$y_2 = 3$

Hence, the coordinates of S is: $(4,3)$

5 0

3 years ago

If 9^(1 - x) =27^Y and x-y equals to -11 / 2 find the value of x + y

777dan777 [17]

Answer:

x = -2.9

y = 2.6

x+y = -2.9+2.6

= -0.3

8 0

3 years ago

Can someone solve this for me

Licemer1 [7]

Answer:

slope is 2 and y-intercept is 5

Step-by-step explanation:

3 0

4 years ago

Please help, need answer ASAP! Will give brainliest to correct answer!

Ilya [14]

Answer:

Second option is the right choice.

Step-by-step explanation:

Divide the second equation by -5 and you'll get the equation same as first equation.

$\frac{5x}{-5}-\frac{20y}{-5}=\frac{-5}{-5}\:\:\:\rightarrow \:\:\:-x+4y=1$

So, it has infinite many solutions.

6 0

3 years ago

A hardware store receives shipments containing 600 light bulbs each.**Part A sample of 75 light bulbs in a given shipment contai

ollegr [7]

Answer:

24/600

Step-by-step explanation:

it may be wrong

6 0

3 years ago