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Masja [62]
2 years ago
9

Given f(x) = x^2 + 3 , work out the value of f(4)

Mathematics
2 answers:
Tamiku [17]2 years ago
7 0

Answer: 19

Step-by-step explanation:

f(4)=(4)^2+3=16+3=19

kondaur [170]2 years ago
5 0

Answer:

f(4) = 19

Step-by-step explanation:

f(x) = x^2 + 3

plug in 4 for the xs

f(4) = 4^2 + 3

f(4) = 16 + 3

f(4) = 19

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Which fraction is the simplest form of 16/34
Alex_Xolod [135]

Answer:

Good Morning you answer is 8/17

Step-by-step explanation:

you halve 16 and 34 getting 8 and 17

17 is a prime number so you can not divide any more

6 0
3 years ago
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!/8 pound of fertilizer covers 25 square feet of ground, how much fertilizer, in pounds, is needed to cover 1 square foot ground
suter [353]

Answer:

  • 1/200 pounds

Step-by-step explanation:

<u>Given ratio</u>

  • 1/8 pound ⇔ 25 square feet

<u>To find </u>

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<u>Divide both sides by 25</u>

  • 1/8÷25 pounds ⇔ 25÷25 square feet
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3 0
3 years ago
Read 2 more answers
The equation of a best fit line is y = 6x + 9. Predict a value for y when x = 4. Type your answer in the space provided. Do not
MrMuchimi

Answer:

y=33

Step-by-step explanation:

we have

y = 6x + 9

Remember that

To predict a value for y, when x = 4

substitute the value of x in the equation

so

y= 6(4) + 9=24+9=33

6 0
3 years ago
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Answer the following equations:
Andrew [12]

Step-by-step explanation:

3(t+5) = 9

3t+15 = 9

3t = -6

t = -2

2(f-7) = -10

2f - 14 = -10

2f = 4

f = 2

-(c - 9) = 4

-c + 9 = 4

-c = -5

c = 5

-6(2t + 8) = -84

-12t - 48 = -84

-12t = -36

12t = 36

t = 3

-10 (s + 2) = -57

-10s - 20 = -57

-10s = -37

s = 3.7

7(3w + 8)/3 = -9

By cross multiplication,

7(3w + 8) = -27

21w + 56 = -27

21w = -83

w = -3.95

35/5 = (F - 32)/9

7 = (F - 32)/9

By cross multiplication,

63 = F - 32

63 + 32 = F

95 = F

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>

7 0
2 years ago
We are the smallest and largest whole numbers that round to 900000 when rounded to. the near.est ten th.ousand
Vinil7 [7]
It could be 85,000 and 94,000
5 0
3 years ago
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