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3 years ago

I need all of the answers for this. Please try to be correct.

Mathematics

2 answers:

disa [49]3 years ago

5 0

You’ll do 180-(n+n+n+n ) as the measure of the straight angle is 180 . Moreover, in the last triangle don’t forget to add the 90 degrees

Vanyuwa [196]3 years ago

4 0

Answer:

7 8 9 10 I think that your answer

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Write and solve an equation to find the numben.

trasher [3.6K]

Answer:

Step-by-step explanation:

let number=b

twice a number=2b

Condition:

2b+13=75

2b=75-13

2b=62

b=62/2

b=31

Note:if you need to ask any question please let me know.

6 0

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

What is this answer

alexandr1967 [171]

-Opens down
-Maximum
-Y int (0,3)
-Axis of symmetry x=0
-vertex (0,3)
-(2,3) (-2,-3)

6 0

3 years ago

How do I solve ?? It’s cylinders

UkoKoshka [18]

V= 3.14r^2h
10/2= r
5^2= 25
(3.14)(25)(6)
V=471

3 0

3 years ago

The parabola y=x^2 is reflected across the x-axis and then scaled vertically by a factor of 4/3 What is the equation of the new

Strike441 [17]

Answer: y = $-\frac{4}{3}x^{2}$

Step-by-step explanation:

y = ax² ; where a represents the vertical stretch

a reflection across the x-axis is represented by making the a-value negative.

7 0

3 years ago

Read 2 more answers