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MrRa [10]
3 years ago
13

What’s the answer to this???

Mathematics
2 answers:
Dmitry_Shevchenko [17]3 years ago
7 0

Answer:

Step-by-step explanation:

Identify two points and solve for y=mx+b

I saw points (1,9) and (8,7)

m=(7-9)/(8-1)=-2/7 so

y=-2x/7+b, using point (1,9) we can solve for b

9=-2(1)/7+b, b=65/7,

y=(-2x+65)/7

Readme [11.4K]3 years ago
4 0

Answer:

5+6-8

Step-by-step explanation:

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The same digits are used for the expressions 32 and 23. Select the symbol that correctly compares the expressions.
sineoko [7]

Answer:

32 > 23.

Step-by-step explanation:

We are given with 32 and 23. We need to compare them. If we use number line 32 is always greater than 23.

So, 32>23

5 0
3 years ago
Can an area of a polygon be zero?<br><br> true or false
Nata [24]
False. If the area is 0 that means there is nothing there, therefore the area of a polygon cannot be zero.
4 0
3 years ago
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The perimeter of the triangle is 44cm.if it’s sides are in the ratio 9:7:6.find its area
shepuryov [24]

Answer:

The area is 83.905 cm^3

Step-by-step explanation:

The total ratio is 9 + 7 + 6 = 22

So the length of the sides are as follows;

9/22 * 44 = 18 cm

7/22 * 44 = 14 cm

6/22 * 44 = 12cm

we can use Heron’s formula to find the area of the triangle

we find a first

s = (a + b + c)/2 = (18+14+12)/2 = 44/2 = 22

Mathematically, the Heron’s formula is as follows;

A = √s(s-a)(s-b)(s-c)

where a, b and c are 18,14 and 12 respectively

Plugging the values, we have;

A = √22(22-18)(22-14)(22-12)

A = √(22 * 4 * 8 * 10)

A = √(7,040)

A = 83.905 cm^3

3 0
4 years ago
Please Answer ASAP!!
SpyIntel [72]
Part 1 is A 
Part 2 is10
7 0
4 years ago
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How do I simplify this (sinx)/(secx+1)
pochemuha

Answer:

Step-by-step explanation:

\frac{sin~x}{sec~x+1} =\frac{sin~x}{\frac{1}{cos~x}+1  } =\frac{sin~x~cos~x}{1+cos~x} \\=\frac{sin~x~cos~x}{1+cos~x} \times \frac{1-cos~x}{1-cos~x} \\=\frac{sin~x~cos~x(1-cos~x)}{1-cos^2 x} \\=\frac{sin~x~cos~x(1-cos~x)}{sin^2x} \\=\frac{cos~x(1-cos~x)}{sin~x} \\=cos ~x(csc~x-cot~x)\\or\\=cot~x(1-cos~x)

6 0
4 years ago
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