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scoundrel [369]
2 years ago
11

Draw 2u+4v, PLEASE NEED HELP, this assignment is due really soon and I'm almost done with the course

Mathematics
1 answer:
Anvisha [2.4K]2 years ago
5 0

Answer:

8

Step-by-step explanation:

You might be interested in
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

7 0
3 years ago
Please help me with this math problem
dedylja [7]

7 - 5 \times 1 + 3 \times 7 = 2 + 21 = 23
7 0
3 years ago
Read 2 more answers
The height that a properly inflated basketball bounces decreases exponentially by 27.8% with each subsequent bounce after the in
n200080 [17]

Answer:

H (b) = 0.722^b(6)

Step-by-step explanation:

The first time the basketball bounces it reaches a height of (1-0.278)(6) = (0.722) (6).

The second time the basketball bounces it reaches a height of (0.722) (0.722) (6) = [(0.722) ^ 2] (6). Therefore, after b rebounds the height that the basketball will reach is given by:

H (b) = 0.722^b(6)

3 0
3 years ago
Find the sum. (−a^3+4a−3)+(5a^3−a)
aev [14]

Answer:

4a³+3a-3

Step-by-step explanation:

You can solve this by combining like terms. Add the numbers with the correct exponents together.

-a³+5a³

4a-a

Thus, the answer is

4a³+3a-3

5 0
3 years ago
Find the coordinates of the midpoint of the segment given it’s endpoint M(-5, 9) and N(-2, 7)
inessss [21]

Answer:

-7/2 , 8

Step-by-step explanation:

Given, M(-5,9) be x1 , y1

N(-2,7) be x2, y2

Now,

Using mid point formula

x = x1+x2/2 y = y1+y2/2

= -5-2/2 = 9+7/2

= -7/2 = 16/2

= 8

5 0
2 years ago
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