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2 years ago

PLEASE HELP FAST!!!

Mathematics

2 answers:

worty [1.4K]2 years ago

3 0

Answer: a is your answer hope this helped

plz make brainly

Step-by-step explanation:

jolli1 [7]2 years ago

3 0

Answer:

0.45

Step-by-step explanation:

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What is 8 times is as close to 71 as you can get without going over

Kay [80]

8 times 8 is the closest you can get to 71 without going over, since 8 times 9 would be 72.

5 0

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

-10(x+12)-11x.........................,............

NNADVOKAT [17]

-10x -120-11x
combine like terms so -10-11= -21x-120

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2 years ago

Imagine you write each letter

snow_lady [41]

Answer:

5/10

Step-by-step explanation:

Five out of ten because California only has ten letters and there’s only five vowels

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2 years ago

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Since Beth was born the population of her towns has increased at a rate of 850 people per year. On beths 9th birthday the total

Lana71 [14]

Answer:

313,600

Step-by-step explanation:

Let t represent number of years after Beth's 9th birthday.

We have been given that since Beth was born the population of her towns has increased at a rate of 850 people per year. So number of people increased in t years would be $850t$ .