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Alex777 [14]
3 years ago
7

Convert Standard Form to Factored Form (SHOW ALL WORK) (LT 5.6) j(x)=x²+7X-18

Mathematics
1 answer:
loris [4]3 years ago
3 0

Answer:

j(x)=a(x+9)(x-2)

j(x)=1(x+9)(x-2) < final answer

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Which expression represents rational numbers? Select all that apply
Masja [62]

Answer:

A, B, C and F

Step-by-step explanation:

We have according to the options:

A. \sqrt{100} \times \sqrt{100}=10\times 10=20

B. 13.5+\sqrt{81} =13.5+9=22.5

C. \sqrt{9}+\sqrt{729}=3+27=30

D. \sqrt{64}+\sqrt{353}=8+\sqrt{353}, which is not rational.

E. \frac{1}{3}+\sqrt{216}=0.3+6\sqrt{6}, which is not rational.

F. \frac{3}{5}+2.5=0.6+2.5=3.1

Hence, the expressions representing rational numbers are A, B, C and F.

5 0
4 years ago
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(6 x 9 = f) f x 16 = b <br><br> what dose b equal
Tcecarenko [31]

Step-by-step explanation:

f=6×9

aubstituting f=6×9

6×9×16=b

864=b

4 0
3 years ago
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Suppose the length of segment BE is 11 cm. Which is the BEST ESTIMATE for segment GH?
JulijaS [17]

Answer: C) 5.5 cm.

Step-by-step explanation:

From the given , it can be clearly seen that in triangle DBE , G and H are the midpoints of segment DB and DE respectively.

Also, GH is parallel to BE. [By Converse of Basic proportionality theorem]

Length of BE= 11 cm.

Further more,

\dfrac{DB}{DG}=\dfrac{BE}{GH}\\\\\Rightarrow\dfrac{2DG}{DG}=\dfrac{11}{GH}\ \ [{DG=GB,\therefore\ DB=2DG }]

\Rightarrow\ \dfrac{2}{1}=\dfrac{11}{GH}\Rightarrow\ GH=\dfrac{11}{2}=5.5\text{ cm}

Hence, the  BEST ESTIMATE for segment GH is 5.5 cm.

Note :

Converse of Basic Proportionality Theorem says that when a line (or a segment) divides any two sides of a triangle in equal proportion then the line ought to be parallel to the remaining third side.

7 0
4 years ago
Which table determines a linear function?
il63 [147K]

the first one

1*2=2

2*2=4

4*2=8


6 0
3 years ago
2x2= 3x5= 8nsjddjdkdjd​
Svetllana [295]

Answer is 19

Step-by-step explanation:

6 0
3 years ago
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