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Tanzania [10]
4 years ago
8

Solve using foil method (x+9)(x+9)

Mathematics
1 answer:
Fudgin [204]4 years ago
3 0
X^2+9x+9x+81
x^2+18x+81
for factoring it
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Please select the best answer from the choices provided
xeze [42]

Answer:

The correct answer is option B. 8,16, 20

Step-by-step explanation:

Its given that,ΔJKL ~ ΔPQR, with a scale factor of 3 : 4

The sides of ΔJKL are, 6,12,15

Let 'x', 'y', and 'z' be the sides of ΔPQR

We know that if two triangles are similar, then the ratio of corresponding sides are in same raio.

<u>To find x</u>

6/x = 3/4

x = 8

<u>To find y</u>

12/y = 3/4

y = 16

<u>To find z</u>

15/z = 3/4

z = 20

Therefore the sides of ΔPQR are 8,16 and 20

Option B. 8,16,20 is the correct answer

8 0
3 years ago
Solve the equation.<br><br> 42x – 5 = 64
aliina [53]

Answer:

23/14

Step-by-step explanation:

42x - 5 = 64

Add 5 to both sides in order to isolate 42x

42x = 64 + 5

42x = 69

Divide 42 from both sides in order to isolate x

x = 69/42

The answer gives an uneven decimal so it'd be best to leave it as a simplified fraction. The simplified fraction is 23/14.

7 0
4 years ago
Read 2 more answers
Phil has 12 stamps of denominations of $0.37 and $0.23. If the total value of
Karo-lina-s [1.5K]

Answer:

Phil has 5 stamps that are worth $0.37 and he has 7 stamps worth $0.23

8 0
3 years ago
there are 28 students desks in ms.Johnson's .each desk measures 26.17 inches long.if you were to line up all the desks end-to-en
ryzh [129]

So, if there are 28 students desks, and each desk is 26.17 inches long...

You multiply 26.17 by 28, to see how long it is:

26.17 * 28 = 732.76

3 0
3 years ago
Convert 1/9 to a decimal
adell [148]
You can just divide 1/9 which equals 0.11.
6 0
3 years ago
Read 2 more answers
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