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2 years ago

Somebody help!!!! Please

Mathematics

1 answer:

inn [45]2 years ago

3 0

f(x) = (x - 4 )(x - 6) = 0

because you can see when each factor is equal to zero

x - 4 = 0 ⇒ x = 4

x - 6 = 0 ⇒ x = 6

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Pleaseeeeeeeeeeee

Karo-lina-s [1.5K]

$\text{The scientific notation:}\\\\a\times10^n\\\\1\leq a$

$a.\\(5\times10^3)\times(3.5\times10^{-1})=(5\times3.5)\times(10^3\times10^{-1})\\\\=15.75\times10^{3+(-1)}=15.75\times10^2=1.575\times10\times10^2\\\\=1.575\times10^{1+2}=\boxed{1.575\times10^3}$

$b.\\(8\times10^2)\div(4\times10^3)=(8\div4)\times(10^2\div10^3)=2\times10^{2-3}\\\\=\boxed{2\times10^{-1}}$

$c.\\(6\times10^{-3})^2=6^2\times(10^{-3})^2=36\times10^{-3\cdot2}=36\times10^{-6}=3.6\times10\times10^{-6}\\\\=3.6\times10^{1+(-6)}=\boxed{3.6\times10^{-5}}$

$Used:\\\\a^n\times a^m=a^{n+m}\\\\a^n\div a^m=a^{n-m}\\\\(a^n)^m=a^{n\cdot m}$

5 0

3 years ago

The quotient of two numbers is negative. It must be true that _____.

blondinia [14]

One of the numbers are negative
Remember this... a negative divided by a positive will result in a negative and a negative divided by a negative will result in a positive, the same goes for multiplication

7 0

2 years ago

Read 2 more answers

Yehayyyehhahh᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼᲼

r-ruslan [8.4K]

Answer:

$38

Step-by-step explanation:

If there are three adults (or not-students) then that amounts to $30

(10*3)

Since they all go in one car they only pay $8

Add them all together!

5 0

2 years ago

Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.

AysviL [449]

Answer:

Hypotenuse legs

6 units arrowBoth 5 units, 1 unit

5 units arrowBoth 2 units, 3 units

8 units arrowBoth 5 units, 2 units

3 units arrowBoth 1 unit, 2 unit

Step-by-step explanation:

i got this because if u add

5+1= 6 units

2+3=5 units

5+2=8 units

1+2=3 units

6 0

3 years ago

Read 2 more answers

The coordinates of rectangle ABCD are A(1, 2), B(4, 5),C(9, 0) and D(6, -3). What is the area of the rectangle? 18 square units

Natali5045456 [20]

In order to find the area of a rectangle, the formula is L*W (Length multiplied by Width). Our goal is to find these two measurements, so we will take the following steps:
1) Plot the coordinates on a graph (I have attached a visual guide)
2) Using the Pythagorean Theorem, or the Distance formula we can find the length and width: $\sqrt{(x_{2}-x_{1} )^{2} +(y_{2}-y_{1} )^{2}$
3) We will use these values in the Area formula for a rectangle (L*W)
4) After solving the Area formula with the values retrieved from the Distance Formula we find that the area is roughly 30 units squared.

4 0

3 years ago