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tester [92]
2 years ago
6

Wow I just learned this :) 2-2 is 4 and 4-4 is 2 now I need help with this one whats 8-8=??

Mathematics
1 answer:
aliya0001 [1]2 years ago
5 0

8-8 is obviously 4. your welcome, no need to thank me for the help.

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HELP HELP HELP GEOMETRY
mixer [17]

Answer:

7.8 cm and 25.3 cm

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

?² + 7² = 10.5²

?² + 49 = 110.25 ( subtract 49 from both sides )

?² = 61.25 ( take the square root of both sides )

? = \sqrt{61.25} ≈ 7.8 cm ( to 1 dec. place )

Then

P = 10.5 + 7 + 7.8 = 25.3 cm

3 0
2 years ago
Read 2 more answers
Your friend Ana received an 90% on a quiz. If Ana got 36 problems right, how many questions were in the quiz?
kherson [118]

Answer:

40

Step-by-step explanation: I just guesstimated a number and divided 36 by 40 to get .9 which means 90%

3 0
2 years ago
What transformation was made to ABC?
labwork [276]

Answer:

REFLECTION

Step-by-step explanation:

The triangle ABC was reflected over the x-axis to get triangle A'B'C'.

4 0
2 years ago
What is the remainder of f(x)=x^4-2x^3-27x^2-9x+18 when divided by binomial x+4
givi [52]

Answer:

The remainder will be 6.

Step-by-step explanation:

We have the function:

f(x)=x^4-2x^3-27x^2-9x+18

And we want to find the remainder after it is divided by the binomial:

x+4

We can use the Polynomial Remainder Theorem. According to the PRT, if we have a polynomial P(x) being divided by a binomial in the form (<em>x</em> - <em>a</em>), then the remainder will be given by P(a).

Here, our divisor is (<em>x</em> + 4). We can rewrite this as (<em>x</em> - (-4)).

Therefore, <em>a</em> = -4.

Then according to the PRT, the remainder will be:

f(-4)=(-4)^4-2(-4)^3-27(-4)^2-9(-4)+18=6

The remainder will be 6.

4 0
2 years ago
WILL MEDAL help me if please
nordsb [41]
1. Use the FOIL method (x+9)(x+9)
First, outer, inner, last
x^{2} +9x+9x+81
Add your like terms
x^{2} +18x+81

2. When you add or subtract polynomials you add or subtract the like terms and then put them in order from largest to smallest exponents.

3. -5x(5 x^{3} +10 x^{2} -6x+3)

4. Since it is the perimeter, we add the 3 together.
(2 x^{2} +4x-3)+(-3 x^{2} -3)+(5x+19)
Add the like terms together:
2 x^{2} +(-3 x^{2} )=- x^{2}  \\ 4x+5x=9x \\ -8+(-3)+19=8
Put them in order of exponents
- x^{2} +9x+8

Hope this helps
8 0
2 years ago
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