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zysi [14]
3 years ago
13

4) What is the equation of the line that passes through the points (3,0) and 2 points

Mathematics
1 answer:
liubo4ka [24]3 years ago
6 0
Presume y=kx +b,then substitute (3,0)&(5,4),
When x=3,y=0,so 3k+b=0;
When x=5,y=4,so 5k+b=4;
Now u can know that k=2,b=-6.
The answer is:y=2x-6.
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A baseball is thrown with an upward velocity of 32 feet per second. The equation h=-16t^2+32t gives the height of the ball t sec
AnnZ [28]

Answer:

The function of height has a maximum value.

Step-by-step explanation:

Maximum or Minimum:

A given function f(x).

  1. Find out f'(x) and f''(x)
  2. Then set f'(x)=0 which gives x=a.
  3. f''(a) > 0 , then at x=a , f(x) has minimum value.
  4. If f''(a)<0 , then at x=a, f(x) has maximum value.

Given that, a baseball is thrown with with an velocity of 32 feet per second.

The equation of height is

h=-16t^2+32t

Differentiating with respect to t

h'=-32 t+32

Again differentiating with respect to t

h''=-32

Next, we set h'=0

-32 t+32=0

\Rightarrow 32t=32

\Rightarrow t=1

Now h''|_{t=1}=-32

Since at t=1, h''<0.

The function of height has a maximum value.

The maximum of h is = -16.(1)²+32

                                     = -16+32

                                     =16 feet

4 0
3 years ago
Reduce the following fractions.<br><br> 4a/4b
Bess [88]
<h3>Given fraction:</h3>

  • \dfrac{4a}{4b}

<em>Step</em><em> </em><em>1</em>: Devide both numerator and denominator by 4 and you'll get:

▪\dfrac{a}{b} (answer)

3 0
3 years ago
Read 2 more answers
Timothy is putting fertilizer on a field after planting some crops. The directions on the barrel state to use 0.75 quarts for ea
mote1985 [20]

Answer

Find out the how much fertilizer will Timothy need for two fields, one that is 22.5 acres and one that is 38.25 acres .

To proof

As given

Timothy is putting fertilizer on a field after planting some crops

The directions on the barrel state to use 0.75 quarts for each acre of land.

fertilizer will Timothy need for 22.5 acres = 22.5 × 0.75

                                                                     = 16.875 quarts

fertilizer will Timothy need for 38.25 acres = 38.25×0.75

                                                                       = 28.6875 quarts

total fetilizer Timothy need for two fields = 16.875 +  28.6875

                                                                   = 45.5625

                                                                   = 45.6 ( approx )quarts

Therefore the total  fertilizer will Timothy need for two fields be  45.6 ( approx )quarts .

Hence proved

                                               

6 0
3 years ago
Show work step by step!!
natta225 [31]
10.5 ounces because you’d get 3.2 ounces per dollar where as the 7.5 you’d get 3 ounces
3 0
3 years ago
Pls help I’ll mark u brain
Fofino [41]

Answer:

A: y=6x

B: A

Step-by-step explanation:

A: Rise over run

B: You can use the points to determine the answer, 6(2)=12 (2,12) 6(3)=18 (3,18)

6 0
2 years ago
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