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beks73 [17]
3 years ago
13

SOMEONE ANSWER MY QUESTION PLEASE!!!!!! BRAINLIESTTTTTT

Mathematics
1 answer:
Rina8888 [55]3 years ago
3 0
X intercepts are = 0 and 20
Maximum value = (10,15)

These can simply be read off of the graph. 

The intervals of increasing from x = 0-10 and that shows the ball going up. Decreasing from 10-20 and that is the exact opposite. 

The rate of change is often referred to as slope. The slope for the section described in part B is -1. It can be used by following the slope formula below: 

y2 - y1/x2 - x1

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A farmer has 1,800 feet of fencing and wants to fence off a rectangular field that borders a straight river. he needs no fence a
astra-53 [7]
There are 2 short sides x and 1 long side y.

x+x+y=1,800
2x+y=1,800
y=1,800-2x

The area of the rectangle is A=x(1,800-x).


A is a function with variable x. Moreover it is a quadratic (second degree) function.

The graph of the function is a parabola which opens downwards, because the signs of the leading coefficients of the factors, multiply to minus:

(x)(-x)=-x^2.


This means that the highest point of the parabola, is its vertex V(h,k), so the function takes its largest value for x=h.


The roots of A=x(1,800-x) are x=0 and x=1,800, thus the x coordinate of the vertex, must be the midpoint of 0 and 1,800, that is 900.


Answer:

A=x(1,800-x)

largest area is when x=900

4 0
3 years ago
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Help me, please. Confused again.
vichka [17]

Answer:

b

Step-by-step explanation:

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Which number line correctly shows 4.5 - 2.5?
il63 [147K]

Answer:

number one

Step-by-step explanation:

if if 4.5 - 2.5 the answer is 2 that means the answer is number one

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<span>       8 - 4x=4 - 3(2x+6)
<=> 8 - 4x = 4 - 6x - 18
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HELP PLEASE <br> solve the right triangle
aleksandrvk [35]

Answer:

Part 1) FG=4.4\ units

Part 2) EF=3.9\ units

Part 3) m\angle G=63^o

Step-by-step explanation:

step 1

Find the measure of length side FG

In the right triangle EFG

we know that

sin(27^o)=\frac{GE}{FG} ----> by SOH (opposite side divided by the hypotenuse)

substitute the given values

sin(27^o)=\frac{2}{FG}

FG=\frac{2}{sin(27^o)}=4.4\ units

step 2

Find the measure of length side EF

In the right triangle EFG

we know that

cos(27^o)=\frac{EF}{FG} ----> by CAH (adjacent side divided by the hypotenuse)

substitute the given values

cos(27^o)=\frac{EF}{4.4}

EF=cos(27^o)(4.4)=3.9\ units

step 3

Find the measure of angle G

we know that

m\angle G+27^o=90^o ---> by complementary angles in a right triangle

m\angle G=90^o-27^o=63^o

7 0
3 years ago
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