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astraxan [27]
3 years ago
13

F(x)=-7x2+8x+2 how many x-intercepts does the graph of f have

Mathematics
1 answer:
Lesechka [4]3 years ago
6 0

The graph has 2 intercepts, as it is a parabola with a degree of 2.

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The area of ABED is 49 square units. Given AGequals9 units and ACequals10 ​units, what fraction of the area of ACIG is represent
stiks02 [169]

Answer:

The fraction of the area of ACIG represented by the shaped region is 7/18

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

In the square ABED find the length side of the square

we know that

AB=BE=ED=AD

The area of s square is

A=b^{2}

where b is the length side of the square

we have

A=49\ units^2

substitute

49=b^{2}

b=7\ units

therefore

AB=BE=ED=AD=7\ units

step 2

Find the area of ACIG

The area of rectangle ACIG is equal to

A=(AC)(AG)

substitute the given values

A=(9)(10)=90\ units^2

step 3

Find the area of shaded rectangle DEHG

The area of rectangle DEHG is equal to

A=(DE)(DG)

we have

DE=7\ units

DG=AG-AD=9-7=2\ units

substitute

A=(7)(2)=14\ units^2

step 4

Find the area of shaded rectangle BCFE

The area of rectangle BCFE is equal to

A=(EF)(CF)

we have

EF=AC-AB=10-7=3\ units

CF=BE=7\ units

substitute

A=(3)(7)=21\ units^2

step 5

sum the shaded areas

14+21=35\ units^2

step 6

Divide the area of  of the shaded region by the area of ACIG

\frac{35}{90}

Simplify

Divide by 5 both numerator and denominator

\frac{7}{18}

therefore

The fraction of the area of ACIG represented by the shaped region is 7/18

5 0
2 years ago
WHO EVER GETS IT RIGHT GET BRAINLEST
iragen [17]

Answer:

<em>(-25)</em>

Step-by-step explanation:

-43-(-18)

  • When u multiply minus into minus answer will be plus

-43+18

<em>(-25)</em>

<em>Hope you got it</em>

<em>  If you have any question just ask me </em>

<em>If you think this is the best answer please mark me as brainliest</em>

<em />

6 0
3 years ago
Read 2 more answers
Which property does the equation illustrate?<br> 0 +-b= -b?
konstantin123 [22]

Answer:

The property the equation illustrates would be the zero property of addition.

Step-by-step explanation:

The additive property of zero states that when you have any number and add zero to it, your answer will always equal the original number.

8 0
3 years ago
Which of the following sets of numbers could not represent the three sides of a right<br> triangle?
nirvana33 [79]
The

Answer: number 3

Explain:
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Ashley is preparing for a horse riding competition. She has trained her horse for 6 hours and has completed 240 rounds. At what
lyudmila [28]

Answer:

40

Step-by-step explanation:

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