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kkurt [141]
3 years ago
9

alt=" \frac{3}{4} \times 12" align="absmiddle" class="latex-formula">
multiply or divide draw a model to explain your thinking
I really need this please help​
Mathematics
1 answer:
vodomira [7]3 years ago
4 0
The answer to 3/4 x 12 equals 9
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I don’t get none of this work so help me please
kupik [55]

yeah. I can't see none of you work so help ME please.

4 0
3 years ago
Find the value of x² - x+1 when x=√3 -1, in the form a+b√3 where a and b are integers​
lidiya [134]

Answer:

6-3\sqrt{3}

If you compare this to a+b\sqrt{3}, then a=6 and b=-3.

Step-by-step explanation:

We are given x=\sqrt{3}-1 and we are asked to find the value of x^2-x+1.

So we will need to find x^2.

x=\sqrt{3}-1

Square both sides:

x^2=(\sqrt{3}-1)^2

Expand using identity: (x-a)^2=x^2-2ax+a^2.

x^2=(\sqrt{3})^2-2(\sqrt{3})(1)+1^2

x^2=3-2\sqrt{3}+1

x^2=4-2\sqrt{3}

Let's go back to the full x^2-x+1.

x^2-x+1

(4-2\sqrt{3})-(\sqrt{3}-1)+1

4-2\sqrt{3}-\sqrt{3}+1+1

6-3\sqrt{3}

If you compare this to a+b\sqrt{3}, then a=6 and b=-3.

5 0
3 years ago
Please help me understand this! Thanks a bunch if you help!
mariarad [96]
Segment BD equals 12<span />
6 0
3 years ago
If k(t)=3/4t-3 what is the value of k(-12)?
Valentin [98]

Answer:

-3.0625

Step-by-step explanation:

just plug in -12

3/4t-3

3/2(-12)-13

then solve to get -3.0625 or -3.06

and this is how you solve any problem like this.

8 0
3 years ago
-
gizmo_the_mogwai [7]

Answer:

4

Step-by-step explanation:

on edg

5 0
3 years ago
Read 2 more answers
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