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NNADVOKAT [17]
3 years ago
9

Write the rule for this pattern 5, 20, 80, 320

Mathematics
1 answer:
alexandr1967 [171]3 years ago
6 0
The rule is multiplying by 4

5 x 4 = 20
20 x 4 = 80
80 x 4 = 320
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5+5= ? will give brainliest to the most creative answer
SCORPION-xisa [38]

Answer:

10

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8 0
3 years ago
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Determine whether the vectors u and v are parallel, orthogonal, or neither. u = <6, -2>, v = <8, 24>
Leno4ka [110]
Because 6 * 8 + ( - 2 )* 24 = 48 - 48 = 0 , the vectora u and v are orthogonal ;
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5 0
4 years ago
Find the area of the shaded region.
luda_lava [24]

Answer:

The area of the shaded region is 11.6\ cm^{2}

Step-by-step explanation:

we know that

The area of the shaded region is equal to the area of the sector of circle of angle 68.9 degrees minus the area of the isosceles triangle

step 1

Find the area of sector of the circle

The area of circle is equal to

A=\pi r^{2}

assume

\pi =3.14

r=9.28\ cm

substitute

A=(3.14)(9.28)^{2}

A=270.41\ cm^{2}

Remember that the area of a circle subtends a central angle of 360 degrees

so

using proportion Find out the area of a sector with a central angle of 68.90 degrees

Let

x -----> the area of a sector

270.41/360=x/68.90\\\\x=68.90*270.41/360\\\\x=51.75\ cm^{2}

step 2

Find the area of the isosceles triangle

Applying the law of sines

The area is equal to

A=(1/2)r^{2}sin(68.90)

we have

r=9.28\ cm

substitute

A=(1/2)(9.28)^{2}sin(68.90)=40.17\ cm^{2}

step 3

Find the area of the shaded region

51.75-40.17=11.58\ cm^{2}

Round to the nearest tenth

11.58=11.6\ cm^{2}

3 0
4 years ago
Divide n by 5 then add 6
algol [13]

Answer:

n+30/5

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Simplify n/5

n/5+6

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Rewrite the whole as a fraction using 5 as the denominator: 6= 6/1=6×5/5

Equivalent fraction: the fraction thus generated looks different but has the same value as everything.

2.2 sum of the two equivalent fractions add two equivalent fractions that now have a common denominator

Combine the numerators, place the sum or difference over the common denominator, and then reduce to the lowest terms of possible:

n+6×5/5=n+30/5

3 0
3 years ago
The table below represents a linear function f(x) and the equation represents a function g(x):
lana66690 [7]

Answer:

Step-by-step explanation:

Part A

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m= y2-y1/x2-x1 = -6-0/-1-1 = -6/-2= 3

for g(x) slope m=4 because we compare to equation y=mx+b the given equation g(x)=4x-5

The slope of f(x) is 3 and the slope g(x) is 4 so the line of g(x) is steeper

part B

The y intercept for g(x) is  (0, -5)

The equation of f(x) can be found

y-y1 =m(x-x1) take any point for example point (1,0)

y-1 =3(x-0)

y=3x+1 so the y-intercept is at (0,1)

The y-intercept for f(x) is greater at y=1 then the one of g(x) at y=-5

5 0
3 years ago
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