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3 years ago

Which values of a and b make the following equation true?

Mathematics

1 answer:

Paraphin [41]3 years ago

8 0

They're it's no equation given to try them out in

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Marta puts 4.87 in her coin bank. Each day she added 1 quarter, 1 nickel , and 3 pennies. How much money was in her coin bank af

Diano4ka-milaya [45]

The answer is $6.85
Every day she puts in .33 cents.
So 6 days is $1.98
1.98+4.87=6.85
hope this helps

7 0

3 years ago

25 dollars as an interger

strojnjashka [21]

Answer:

-25

Step-by-step explanation:

Hope this helps! :)

5 0

3 years ago

Read 2 more answers

WILL give BRAINLIEST

Nostrana [21]

Answer:

$560.00

Step-by-step explanation:

Let b represent Tony's average daily balance. The finance charge is computed from ...

... finance charge = 2.25% × b

We can fill in the given value and divide by the coefficient of b.

... $12.60 = 0.0225b

... $12.60/0.0225 = b = $560.00

Tony's average daily balance was $560.00.

3 0

3 years ago

On which interval is the average rate of change for bicycle production the greatest? A) 1950 to 1960 B) 1960 to 1970 C) 1970 to

Alborosie

Answer:

D) 1980 to 2000

Step-by-step explanation:

Finding the average rate of change in each interval to determine the greatest one.

Production per interval

1950-1960 = $(21-11) \ million$ = 10 million

1960-1970 = $(41-21)\ million$ = 20 million

1970-1980 = $(71-41)\ million$ = 30 million

1980-2000 = $(161-71)\ million= 90$ million

Rate of change (1950-1960)= $\frac{10}{11} \times 100= 90.90\%$

Rate of change (1960-1970) = $\frac{20}{21} \times 100= 95.23\%$

Rate of change (1970-1980)= $\frac{30}{41} \times 100= 73.17\%$

Rate of change (1980-2000)= $\frac{90}{71} \times 100= 126.76\%$

∴ rate of change between 1980 to 2000 is 126.78%

7 0

3 years ago

There are 10 students in class and the number of siblings in their families are given by {1,1,1,1,2,3,3,4,4,4}. Consider the exp

Svetllana [295]

Answer:

a. Check the attached image

b. The Pr(Y > 2) = ½

c. The mean is 2.4

d. The standard deviation is: 2.72

e. The exact value is 1 because it is certain from the given data that any probability will fall within that range.

Step-by-step explanation:

a. An image showing the step by step solution is attached.

b. P(Y > 2) = P(3) + P(4)

= 2/10 + 3/10 = 5/10 = ½

c. The mean is 2.4

d. The standard deviation is: 2.72

e. Check the attached image for the steps.

7 0

3 years ago