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SCORPION-xisa [38]
3 years ago
15

Need help on this!!!

Mathematics
1 answer:
Helga [31]3 years ago
4 0

Answer:

Step-by-step explanation:

Range goes from the lowest point on a graph to the highest point, not including anything in between those 2 extremes. We will evaluate the quadratic for the values given. First f(2):

f(2)=(2)^2-5 so

f(2) = -1

Now, f(4):

f(4)=(4)^2-5 so

f(4) = 11

Now, f(7):

f(7)=(7)^2-5 so

f(7) = 44

The lowest y value is -1 and the highest is 44, so the range is from -1 to 44 (I can't tell which of your choices reflects that because it's too small!)

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Only number 7 <br><br> Please
Reptile [31]

Answer:

Step-by-step explanation:

20 problems

correct=+4

false=-1

unanswered=0

Uncorrectly:5 => -5

unanswered:2 =>0 points

20x4=80 points in total(only correct awnsers)

=>20-5+2=13 correct awnsers

13x4=52

52-5=47

It will be nice if you give me brainliest. Good luck!

8 0
3 years ago
Simplify (4x+7)-(-3x-9)+9x-28
MrRissso [65]

Answeriadk

Step-by-step explanation:

8 0
3 years ago
-3r-8(8r+8)=-9(-4+9r)​
natulia [17]

Answer:

r= 7.14 (rounded to 2 decimal places)

Step-by-step explanation:

We have to solve this equation for the value of r. We will use distributive property and basic algebra to solve this.

Distributive property is  a(b+c) = ab + ac

Now, the steps of solving are shown below:

-3r-8(8r+8)=-9(-4+9r)\\-3r -64r-64=36-81r\\-67r-64=36-81r\\-67r+81r=36+64\\14r=100\\r=\frac{100}{14}\\r=7.14

Hence, value of r is 7.14 (rounded to 2 decimal places)

8 0
3 years ago
If f(x)= -2 , what is x?
kkurt [141]
NANI?!?! WHERES g(x)
7 0
3 years ago
Can someone help me? Thanks! :)
attashe74 [19]

Answer:

75 is the length of the third side

7 0
3 years ago
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