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VARVARA [1.3K]
2 years ago
7

Hey can someone please help me!

Mathematics
2 answers:
lyudmila [28]2 years ago
7 0

Answer:

1st the 4th and the 5th options

Step-by-step explanation:

I can explain in the comments

Hunter-Best [27]2 years ago
5 0
1,4.5 you are replacing X with 2 so for the first one x-2=0 would be 2-2=0
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The hypotenuse of a triangle is 10 inches long. One of the legs is 6.5 inches long. what is the measurement of the missing leg?
Katarina [22]

Answer:

7.6

Step-by-step explanation:

a^2 + b^2 = c^2

6.5^2 + x^2 = 10^2

42.25 + x^2 = 100

isolate x by subtracting 42.25 on both sides

x^2 = 57.75

square root of 57.75 or 7.6

8 0
2 years ago
If x=-3 is (x-5)(x-7)<0?​
Eduardwww [97]

Answer: False

=============================

Replace every x with -3. Then simplify the left side.

(x-5)(x-7) < 0

(-3-5)(-3-7) < 0

(-8)*(-10) < 0

80 < 0 ... this statement is false, 80 is not smaller than 0

----

(x-5)(x-7) < 0  is false when x = -3

8 0
3 years ago
A list of 5 steps Cecile used to factor 16 x squared minus 9. Analyze Cecile’s work. Is it correct? No, adding in 0x keeps an eq
suter [353]

The Cecile factored the polynomial correctly by factor 16 x squared minus 9 using the X-method of factorization.

<h3>What is factor of polynomial?</h3>

Factor of a polynomial is the terms in linear form, which are when multiplied together, give the original polynomial equation as result.

The given polynomial expression is,

f(x)=16x^6-9

Now, Cecile add 0x as,

f(x)=16x^6+0x-9

Now, here the product of 16 and 9 is 144. Therefore, the factors must have the product of 144 and sum of 0. Thus, by using the split the factor method as,

f(x)=16x^6+12x-12x-9\\f(x)=4x^3(4x^3+3)+(-3)(4x^3+3)\\f(x)=(4x^3+3)(4x^3-3)

Thus, the Cecile factored the polynomial correctly by factor 16 x squared minus 9 using the X-method of factorization.

Learn more about factor of polynomial here;

brainly.com/question/24380382

5 0
1 year ago
Read 2 more answers
80 pts last easy question on my test please no links help me out !!! #7
Katena32 [7]

Step-by-step explanation:

#7

the composite function from K to F :

(F o C) (x) = 9/5 (x - 273.15) + 32 (option D)

3 0
2 years ago
 Define composite function.
frez [133]
<span>Composition of Functions. Function Composition is applying one function to the results of another: The result of f() is sent through g() It is written: (g º f) (x)</span>
7 0
3 years ago
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