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Anika [276]
3 years ago
13

How do i solve these im really stuck

Mathematics
2 answers:
otez555 [7]3 years ago
8 0

Answer:

D) x = 11

Step-by-step explanation:

add 5 to both sides, so then it's 5x = 55, then divide by 5, so then it's x = 11

AnnZ [28]3 years ago
3 0

Answer: D

Step-by-step explanation:

Add 5 to 50 and subtract 5 from 5 so you get 5x=55 and divide 5 by 55 and 5 by 5 and you get 11! Hope I helped:)

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Find the average value of the function f(t)=(t-2)^2 on [0,6]
pentagon [3]

Answer:

2

Step-by-step explanation:

The "average value of function f(x) on interval [a, b] is given by:

                      f(b) - f(a)

ave. value = ---------------

                         b - a

Here f(t)=(t-2)^2.

Thus, f(b) = (b - 2)^2.  For b = 6, we get:

          f(6) = 6^2 - 4(6) + 4, or f(6) = 36 - 24 + 4 = 16

For a = 0, we get:

           f(0) = (0 - 2)^2 = 4

Plugging these results into the ave. value function shown above, we get:

                      16 - 4

ave. value = ------------ = 12/6 = 2

                         6 - 0

The average value of the function f(t)=(t-2)^2 on [0,6] is 2.


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4 years ago
Chords AC and DB intersect at point E. Find the value of x.
Elina [12.6K]

Answer:

the answer would be 9 so option B

4 0
3 years ago
Nadia bought tickets to attend a spaghetti supper fundraiser at her school. The equation can be used to find , the cost of each
Rainbow [258]
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How to round 65.85 to the nearest tenth
Contact [7]
Ok if the number behind the decimal is 4-0... round down, But if the number is 5-9 round up.

Example:65.85

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7 0
3 years ago
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Use the fact that the world population was 2560 million in 1950 and 3040 million in 1960 to model the population of the world in
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Answer:

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\implies 2560 = P_0 (1+r)^0\implies P_0 = 2560

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3040=2560(1+r)^{10}\implies r = 0.017

Hence, the required function that shows the population after x years,

P=2560(1.017)^x

If x = 42,

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P=2560(1.017)^{42}\approx 5196.608365\text{ millions}

if x = 80,

The population in 2030 would be,

P=2560(1.017)^{80}\approx 9860.891929\text{ millions}

8 0
3 years ago
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