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3 years ago

What is the distance between (-3,1) and (-2,-1) in units

Mathematics

1 answer:

Nastasia [14]3 years ago

6 0

Answer:

Here is the graph I made, starting from (-3,1) to (-2,-1) it goes down 2 units and over 1 unit.

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It took a car 5 days to travel 1459 miles. What was this car’s average speed, in miles per hour?(round to the nearest mile per h

dangina [55]

Answer:

12.158333333 miles per hour or 12

Step-by-step explanation:

24 × 5 = 120 hrs

1459÷120=12.15833333

or 12 miles per hour

4 0

4 years ago

Read 2 more answers

For the figure, which of the following is true? I. m∠1+m∠2=m∠6+m∠5 II. m∠1+m∠3=m∠6+m∠4 III. m∠1+m∠3+m∠6=m∠2+m∠4+m∠5 A. I only B.

Alexxx [7]

Yea the answers 9!!!!!!

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3 years ago

3. In a single growing season at the Smith Family Orchard, the average yield per apple tree is 150 apples when the number of tre

g100num [7]

Answer:

A.10000

B.25 more trees must be planted

Step-by-step explanation:

⇒Given:

The intial average yield per acre $y_{i}$ = 150

The initial number of trees per acre $t_{i}$ = 100

For each additional tree over 100, the average yield per tree decreases by 1 i.e , if the number trees become 101 , the avg yield becomes 149.
Total yield = (number of trees per acre) $*$ (average yield per acre)

A.

⇒If the total trees per acre is doubled , which means :

total number of trees per acre $t_{f}$ = $2*t_{i}$ = 200

the yield will decrease by : $t_{f}$ - $y_{i}$

$y_{f}= 150-100= 50$

⇒total yield = $50*200=10000$

B.

⇒to maximize the yield ,

let's take the number of trees per acre to be 100+y ;

and thus the average yield per acre = 150 - y;

total yield = $(100+y)*(150-y)\\=15000+50y-y^{2} \\$

this is a quadratic equation. this can be rewritten as ,

⇒ $=15000+50y-y^{2}\\=15000+625 - (625 - 50y +y^{2})\\=15625 - (y-25)^{2}$

In this equation , the total yield becomes maximum when y=25;

⇒Thus the total number of trees per acre = 100+25 =125;

3 0

3 years ago

Pls help will mark brainliest

yanalaym [24]

Answer:

1.93433

Step-by-step explanation:

Since all triangles have an interior angle sum of 180, the second angle is 45. this also means that x and y are equal. Using the pythagorean theorem, we can produce the equation $2\sqrt{14} = 2x^2$ . dividing both sides by two we get $x^2= \sqrt{14}$ . when we take the square root of root 14 we get 1.934335