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kirill115 [55]
3 years ago
6

Jan received -22 points on her exam. She got 11 questions wrong out of 50 questions. How much did Jan penalizedfor each wrong an

swer?
Mathematics
1 answer:
hammer [34]3 years ago
6 0
She was penalized 2 points a question
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1. The temperature of a body rises from -6°c to 5°c. By how much degrees does it rises? <br>​
babunello [35]
It rises 11 degrees

Step by step explanation
3 0
3 years ago
Which number make this sentence true 27:45=45:x​
PSYCHO15rus [73]

Answer:

x = 75

Step-by-step explanation:

We can write this as a proportion

27            45

--------- = --------

45            x

We can use cross products to solve

27 x = 45 *45

Divide each side by 27

27 x/27 = 45*45 /27

x = 75

5 0
3 years ago
Read 2 more answers
11 + 2(z + 3) -z simplified
lbvjy [14]

Answer: z + 17

Step-by-step explanation:

1) DISTRIBUTE:

11 + 2z + 6 - z

2) COMBINE LIKE TERMS

z + 17

3 0
3 years ago
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If 3x−y=12, what is the value of <br>8x/2y?​
Ulleksa [173]

Answer:

3x-y=12

3x-12=y

to find value of

8x/2y

8x/2(3x-12)

8x/6x-24

8x/6x-8x/24

4/3-x/3

4-x/3

Step-by-step explanation:

4 0
2 years ago
In 1997, the American Diabetes Association (ADA) and the federal government lowered the standard for diagnosing diabetes from a
Klio2033 [76]

Answer:

10 percent

Step-by-step explanation:

- Before 1997, people with a minimum FBGL of 140mg/dl were diagnosed as diabetic

- After 1997, people with a minimum FBGL of 126mg/dl were diagnosed as diabetic

- What is the proportion of people who were not considered diabetic before 1997 but are now considered diabetic (after 1997)?

140 - 126 = 14

In percentage, this proportion is = 14/140 × 100

= 10%

Hence, 10% of the people who were not considered diabetic before 1997 are now or will now be considered diabetic.

3 0
3 years ago
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