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natima [27]
3 years ago
10

Evaluate g(x)=x^3+9 when x=-2

Mathematics
1 answer:
Assoli18 [71]3 years ago
3 0

Answer:

g(x) = 1

Step-by-step explanation:

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Solve for x for 1 and 2
taurus [48]

Answer:

1. 37.5

2. 8

Step-by-step explanation:

1. the smaller triangle and the bigger triangle are similar, so the sides are also similar.

this means that 16/46 = 20/(x+20)

then, just solve that for x

16/46 = 20/(x+20)

divide both sides by 4

4/46 = 5/(x+20)

multiply both sides by (x + 20)

(x+20) * 4/46 = 5

multiply both sides by 46

4x + 80 = 230

subtract 80

4x = 150

divide 4

x = 37.5

2. do the same thing ( still similar triangles)

the equation would be (3x + 1)/10 = (7x - 1)/22

solve

22(3x + 1) = 10(7x - 1)

66x + 22 = 70x - 10

32 = 4x

x = 8

3 0
2 years ago
PLEASE HELP<br> 1/4 is to 1 1/4 as 2 is to b
Taya2010 [7]
B = 22 because 1/4 x 11 = 11/4 so 2 x 11 = 22
3 0
2 years ago
What does it mean if your final exam grade is modeled by the function f(x) = 100 - 3.3x?
rjkz [21]

Answer:

i need points

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A car travels 480 miles on 15 gallons of gasoline. How many miles does the car travel per gallon?
AleksandrR [38]

480 \div 15 = 32
32 miles per gallon
6 0
3 years ago
Read 2 more answers
What solution is <br> y=9x+35<br> y=-8/9x+4/5
Ainat [17]

Answer:

x=-1539/445, y=1724/445. (-1539/445, 1724/445).

Step-by-step explanation:

y=9x+35

y=-8/9x+4/5

-------------------

9x+35=-8/9x+4/5

9x-(-8/9x)=4/5-35

9x+8/9x=4/5-175/5

81/9x+8/9x=-171/5

89/9x=-171/5

x=(-171/5)/(89/9)

x=(-171/5)(9/89)

x=-1539/445

y=9(-1539/445)+35

y=1724/445

6 0
3 years ago
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