Eighteen less than a number is 43. Find the number. Round your answer to the nearest integer, if necessary.

the runner's time to complete the marathon is 45 minutes. The time to complete the last marathon was 49.5 minutes. What is the p

Lana71 [14]

Answer:

9.09%

Step-by-step explanation:

To find percent decrease you have to use this equation:

$Percent Decrease = \frac{Initial -New}{Initial} x 100$

Initial = 49.5

New = 45

Plug in and solve:

$PD = \frac{49.5-45}{49.5} x 100\\\\PD = \frac{4.5}{49.5} x 100 \\\\PD = 0.0909 x 100\\\\PD = 9.09$

The percent decrease is 9.09%

Hope this helps!!

- Kay :)

6 0

3 years ago

Someone help me on this ASAP

Anvisha [2.4K]

So I think the answer to m<5 is 75 degrees

6 0

3 years ago

Read 2 more answers

Amanda placed her finger on the origin of a regular coordinate plane. She marked a point after moving her finger 1 unit to the l

Lubov Fominskaja [6]

Answer:

( x , y ) = ( -1 , - 5 )

Step-by-step explanation:

Solution:-

- The rectangular coordinate system ( Cartesian ) is defined by two independent variables namely, "x and y".

- The values of both varibales lie on the horizontal and vertical line respectively, ( x & y ).

- The values on the horizontal axis also known as the x-axis is marked with a referece of x = 0 ( origin ). All the values to the right of the point of origin are denoted as positive units and all values to the left of the point of origin are denoted as negative units.

- Similarly, The values on the vertical axis also known as the y-axis is marked with a referece of y = 0 ( origin ). All the values to the above the point of origin are denoted as positive units and all values below of the point of origin are denoted as negative units.

- The axis are conventionally oriented such that 90 degrees angle is formed in between them and always denoted in the counter-clockwise direction.

In other words, if +x is pointing to the right then the +y will be pointed in the direction when +x is rotated counter clockwise to 90 degrees; hence, points upward.

- When Amanda starts off at the origin she is at the order pair ( 0 , 0 ).

- She then moves her finger 1 unit to left ( -x ) and 5 units down ( -y ). Hence, she moves 1 unit along the -x direction and then moves 5 units down along -y direction.

Hence, she is at an ordered pair ( x , y ) = ( -1 , - 5 ) .

3 0

3 years ago

Plz I will mark brainliest

Montano1993 [528]

Answer:

a)10

b)-11.4

Step-by-step explanation:

you should find common denominator bit don't forget that they are negative

5 0

2 years ago

17. Explain whether 11t - 4t is equivalent to 4t - 11t.

nydimaria [60]

Answer:

So Equation ( 1 ) is NOT Equivalent to Equation ( 2 )

Step-by-step explanation:

Given:

$11t - 4t$ ..............Equation ( 1 )

$4t - 11t$ ................Equation ( 2 )

To Find:

Whether Equation ( 1 ) is Equivalent to Equation ( 2 )

Support your answer by evaluating the expression for t = 2.

Solution:

For t=2 Equation ( 1 ) we get

$11t - 4t=11(2) - 4(2)=22-8=14$

For t=2 Equation ( 2 ) we get

$4t - 11t=4(2) -11(2)=8-22=-14$

From above we get two different values

So Equation ( 1 ) is NOT Equivalent to Equation ( 2 )

4 0

2 years ago