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IceJOKER [234]
3 years ago
7

What is the factor of х+8x+7

Mathematics
1 answer:
xxMikexx [17]3 years ago
3 0

Answer:

(x + 7) (x + 1)

Step-by-step explanation:

Product = 7

Sum = 8

Factors = 1 , 7

x² + 8x + 7 = x² + 7x + x + 7

                 = x(x + 7) + (x + 7)

                 = (x + 7) (x + 1)

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Letry. 14 Chapter 9: Chapter 9 rest Chapter Test
BaLLatris [955]

Answer:

h = 7.1 cm

Step-by-step explanation:

To find the height of the triangle, we can first find the area of the triangle using the Heron's formula:

S = \sqrt{p(p-a)(p-b)(p-c)}

Where a, b and c are the sides of the triangle and p is the semi perimeter of the triangle:

p = \frac{a+b+c}{2} = \frac{15 + 8 + 17 }{2} = 20\ cm

So the area of the triangle is:

S = \sqrt{20(20-15)(20-8)(20-17)}

S = 60\ cm^2

Now, to find the height, we can use the following equation for the area of the triangle:

S = base * height/2

The height draw in the figure is relative to the side of 17 cm, so this side is the value of base used in the formula. So we have that:

60 = 17 * h/2

h = 120/17

h = 7.06\ cm

Rounding to the nearest tenth, we have h = 7.1 cm

4 0
3 years ago
The hypotenuse of a right triangle is 17 cm long. If one of the remaining two sides is 8 cm in length, then the length of the ot
VashaNatasha [74]

don't know

Mark as brainlist

mate

8 0
3 years ago
Read 2 more answers
Can someone help me?<br><br>2b²+17b+21<br><br>Thanks​
vladimir1956 [14]

Answer:

(2b+3) (b+7)

Step-by-step explanation:

2b²+17b+21

2b²+14b+3b+21

2b(b+7) + 3(b+7)

(2b+3) (b+7)

6 0
3 years ago
Read 2 more answers
Please Help! I will give you a lot of points if you do!
Tanzania [10]

Answer:

47

Step-by-step explanation:

According to the number system 7 lines and 12 dots, a line is 5 and a dot is 1

you do 5*7+12 which is equal to 47

So the answer is 47,

Hope this helps!

7 0
3 years ago
Read 2 more answers
Please help me - thankyou :)
olga_2 [115]
It is 6 because 1000 would not be the appropiate answer 
3 0
3 years ago
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