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3 years ago

Helppp plzzz solve them

Mathematics

1 answer:

Airida [17]3 years ago

5 0

2. y=12000(.06)4x<span>
3. y=300(.08)5x
Hope this helps</span>

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The graph h = −16t^2 + 25t + 15 models the height and time of a ball that was thrown off of a building where h is the height in

Olenka [21]

Answer:

Step-by-step explanation:

If you graph the equation f(x) = -16x^2+25x+15. You would need to pay attention to the x value which is somewhere in between 0.75-0.9.

Another way is to convert the equation into vertex form.

6 0

3 years ago

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What is the percentage of 350 over 100

Ivahew [28]

350/100 = 350%
350% is the percentage of 50 over 100

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3 years ago

(t-2)(t+1)(t+1) what is this when foiled out

mario62 [17]

(t-2)(t+1)(t+1)
t^2+t-2t-2(t+1)
t^2-t-2(t+1)
t^3-t^2-2t+t^2-t-2
t^3+-3t-2

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3 years ago

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On a 40 question test students gain 6 points for each correct answer and lose 0.5 points on each incorrect answer. If everyone r

juin [17]

Answer:

$\text{r}=5.5\text{c}-20$

Step-by-step explanation:

GIVEN: On a $40$ question test students gain $6$ points for each correct answer and lose $0.5$ points on each incorrect answer. If everyone required to give an answer to each question.

TO FIND: the formulas that describes how a student's raw score, r, depends on the number of correct answers he or she provided, c.

SOLUTION:

Total number of incorrect questions $=40-\text{c}$

Total marks deducted due to incorrect question $=(40-\text{c})\times0.5=20-0.5\text{c}$

Total correct questions $=\text{c}$

Total marks scored $=6\text{c}$

Total raw marks $\text{r}=\text{total marks gained}-\text{total marks deducted}$

$\text{r}=6\text{c}-(20-0.5\text{c})$

$\text{r}=5.5\text{c}-20$

ormulas that describes how a student's raw score, r, depends on the number of correct answers he or she provided, c is $\text{r}=5.5\text{c}-20$

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3 years ago

True or false? Based only on the given information, it is guaranteed that AB CD.

Vladimir [108]

Answer:

Option B is correct that is false.

Step-by-step explanation:

We have been given a figure we need to tell that the two lines are perpendicular

Lines are perpendicular if they meet at right angle.

Line ${\overline{CD}}$ is perpendicular to ${\overline{AB}}$ vice-versa is not true.

Hence, Option B is correct

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3 years ago

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