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rjkz [21]
3 years ago
13

PLEASE HELP ME!!! I would really appreciate it!

Mathematics
1 answer:
bazaltina [42]3 years ago
8 0
Hey there!
I just worked it out and the answer is D. 4y^2-10y-1

I’ve just studied these long equations and then having to simplify the expressions in algebra. I really hope my answer benefits you in the best way!
~Brooke❤️
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if an orange gets cut in half how much do you have left if you cut in forths how many slices are there​
a_sh-v [17]

Answer:

There are 10 slices left

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER
mash [69]

Answer:

(-6,9,-3)

Step-by-step explanation:

-3x -y +z=6

-3x-y+3z =0

x-3z =3

Multiply the second equation by -1

-1 *(-3x-y+3z) =0*-1

3x +y -3z =0

Add this to the first equation

-3x -y +z=6

3x +y -3z =0

----------------------

0 + 0 + -2z = 6

Divide by -2

-2z/-2 = 6/-2

z = 6/-2

z=-3


Take the third equation to find x

x-3z=3

x-3(-3) = 3

x+9=3

Subtract 9 from each side

x+9-9 =3-9

x=-6

Now we need to find y

3x +y -3z =0

3(-6) +y -3(-3) =0

-18 +y +9=0

-9+y =0

Add 9 to each side

-9+9+y = 0+9

y=9

(-6,9,-3)

3 0
3 years ago
Read 2 more answers
What is the approximate area of a circle with a radius of 10 in?
yKpoI14uk [10]

<em></em>\huge\boxed{\textsf{A.}\ 78.5\ \text{in}^2}

<em></em>

<em>Correction to your question text: diameter, not radius.</em>

The area of a circle is given by:

A=\pi r^2

The radius is half of the diameter.

A=\pi\cdot\left(\dfrac{10}{2}\right)^2

Substitute and solve.

\begin{aligned}A&=\pi\cdot\left(\frac{10}{2}\right)^2\\&=\pi\cdot5^2\\&=\pi\cdot25\\&\approx\boxed{78.5}\end{aligned}

5 0
2 years ago
Four pounds of chicken is divided into 1/3 -pound packages. How many packages of chicken are there?
Katen [24]

Answer:12

Step-by-step explanation:

there is 4 pounds total, and each package is 1/3 a pound, so 3 packages, (1/3x3)=3 so 3 x 4 for all packges= 12. Hope this helps!

4 0
3 years ago
Please help on all three of these
Maslowich

Answer:

2) \: y =  - 3x + 5 \\ 3) \: y =  \frac{1}{4}x - 2

Step-by-step explanation:

Remmeber:

slope =  \frac{rise}{run}

I am unsure how to do number 4.

3 0
3 years ago
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