MATHEMATICS HIGH SCHOOL

4. Find the distance between the two points. Round to the nearest tenth if necessary.(-2, -1) and (3, 5).

Answers

Answer 1

Answer:

Answer:

Distance = 7.8 units

Step-by-step explanation:

In coordinate geometry, the distance between the 2 points is given by

$Distance = \sqrt{(x1-x2)^(2) + (y1-y2)^(2) }$

where (x1,y1) and (x2,y2) are coordinates of the 2 points.

Above the 2 points given are, (-2,-1) and (3,5).

x1 = -2 , y1 = -1 , x2 = 3, y2 = 5

$Distance = \sqrt{((-2)-(3))^(2) + ((-1)-(5))^(2) }$

$Distance = √(61)$

Distance = 7.8102 units

To the nearest tenth, Distance = 7.8 units

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Maya earns $6.36 for each hour of work. She worked 7.5 hours yesterday. Find how much she earned yesterday.

Answers

6.36 x 7.5 = 47.7

she earned 47.7$

You need to multiply, so $6.36*7.5=$47.7

Use the function f(x) = 2x3 - 3x2 + 7 to complete the exercises.f(−1) =
f(1) =
f(2) =

Answers

The value of the function f(x) at $x=a$ can be determined by substituting a instead of x into the function expression.

1. When x=-1, then

$f(-1)=2\cdot (-1)^3-3\cdot (-1)^2+7=-2-3+7=2.$

2. When x=1, then

$f(1)=2\cdot 1^3-3\cdot 1^2+7=2-3+7=6.$

3. When x=2, then

$f(-1)=2\cdot 2^3-3\cdot 2^2+7=16-12+7=11.$

Answer:

the correct answer is;

: Ram lived in a small village. When he left for a college in a city, the population of his village was 840. When he came back, the , population had grown by 5%. What was the nopulation he found?

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Answer:

882

Step-by-step explanation:

840 : 100 x 105 = 882

The three cards below form a number pattern

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Convert speed of 15 miles per hour to feet per second

Answers

Solutions

1 mile = 1.46667

15 miles per hour = 22 feet per second

15 miles per hour = 22 feet per second

Find the approximate value of the circumference of a circle with the given radius. Use = 3.14. Round your answer to the nearest hundredth.5.1 cm

how do you now what to mutliply by like 5.1 x 5.1 the multiply by 3.14

Answers

In solving for the value of the circumference of the circle we will just the formula c = πr². From that we will substitute the value c = (3.14)(5.1)², which is equal to c = 3.14 (26.01), which will be then c = 81.6714. In presenting the answer to nearest hundredth it would be 81.67 cm

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