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3 years ago

Help me asap now plz if u help u get a new cute friend

Mathematics

2 answers:

erica [24]3 years ago

8 0

3 pails of plaster. I hope this helps

vfiekz [6]3 years ago

4 0

240 inch^2 may should be #5 being that Length x width = A.
So 12 x 20... I hope cause I mean I shoot haven't seen a question like this in ages. But for a rectangle A = LW and for triangles A= 1/2 base x height.

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I need help with Algebra. is this a good site?

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Answer:

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2 years ago

If 18 is 45% of a value, what is that value?

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Answer:

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2 years ago

Simplify: 49 - 4 x 49 ÷ 7 21 34 36

enot [183]

Answer:

Step-by-step explanation:

49 - 4 x 49 / 7 =

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2 years ago

Read 2 more answers

What is the zero of the function

SpyIntel [72]

Answer:

Step-by-step explanation:

The zero is the value of x where the line crosses the x- axis

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2 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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2 years ago