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n200080 [17]
2 years ago
9

NEED HELP ASAP!!!!!!!!!!

Mathematics
2 answers:
Katarina [22]2 years ago
8 0

Answer:....

Step-by-step explanation:

Alona [7]2 years ago
7 0

Answer:

i dont know what your asking

Step-by-step explanation:

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What is the diameter of a circle with a circumference of 23.55m?​
qwelly [4]

Answer:

C= π x diameter

diameter = c/π

lets use pi as 3.14

23.55/3.14 = 7.5 m

hope this helps

*fwwosh, disappeared

6 0
3 years ago
50 POINTS AND WILL MARK BRAINLIEST NEED HELP ASAP
trasher [3.6K]

Answer:

Please see attached image and all steps below for both parts

Step-by-step explanation:

Task 1

The following system of equations includes a linear equation and a quadratic one:

\left \{ {{y=x+2} \atop {y=x^2-8x+2}} \right} \}

it can be solved by using substitution in the second equation of the variable "y" by the linear expression of the first equation:

x+2=x^2-8x+2\\x=x^2-8x\\x^2-9x=0\\x\,(x-9)=0

and this product of two factors will e zero when either factor is zero, that is: when x = 0, or when x = 9 [to make zero the binomial(x - 9)]

There are two solutions: x = 0 and x = 9.

When we graph both expressions in the system, we see that the line intercepts the parabola at the points (0, 2) and (9, 11). See attached image.

Task 2

Part 1:

Let's pick 30 as a number larger than 25. 30 can be written as 40 - 10

So we can use:

(40 -10)^2=40^2-2\,(40)\,(10)+ 10^2=1600-800+100=900

to calculate its square.

Part 2:

let's choose a=9 and b=10 so we use:

9^3+10^3=(9 + 10)\,(9^2-(9)\,(10)+10^2)=(19)\,(81-(90)+100)=19\,(81-180+100)=19\,*\,91=1729

8 0
2 years ago
Find all the real square roots of 0.0004.
chubhunter [2.5K]
Hey!!

the answer is 0.02 !.

if helped, brainliest
5 0
3 years ago
Read 2 more answers
Analyze this equation.
sammy [17]
The answer is b. Hope this helped

3 0
2 years ago
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A triangle is graphed on a coordinate plane, with a vertex located at a point represented by (x,y).
Sophie [7]
The value of a is between 0 and 1.
4 0
3 years ago
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