A baby gains 11 pounds in its first year of life. The baby gained 4 1/4 pounds during the first four months and 3 1/2 in its second four months. How much did the baby gain in the last four months?A. 3 1/4lb

B. 3 1/2

C. 4lbs

D. 5lbs.

Answers

Answer 1

Answer: the answer is a because 4+3 =7 half plus quarter equals three quarters 11 -7 and three quarters equals A

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How to rewrite -7x + 5y = -3 in standard form

Answers

Answer:

7x - 5y = 3

Step-by-step explanation:

The Standard Form formula is Ax + By = C, however, technically A should not be negative, and since the original is already written in an usually accepted version of Standard Form, I would assume you would just want to multiply the entire equation by -1 making the A a positive number.

Josiah invests $360 into an account that accrues 3% interest annually. Assuming no deposits or withdrawals are made, which equation represents the amount of money in Josiah’s account, y, after x years?

Answers

The future amount of money that is invested currently at a certain interest that is compounded annually is calculated through the equation,
F = P x (1 + i)^n
where F is the future worth, P is the present worth, i is the interest rate, and n is the number of years. Substituting the known values and variables in the given, F = ($360)(1.03)^x

Answer: $y = 360(1.03)^x$

Step-by-step explanation:

Since, the principal amount of the money = $ 360

Annual rate of interest = 3%

Thus, the amount after x years which is increased by 3 %,

$= 360(1+(3)/(100) )^x$

$= 360(1+0.03 )^x$

$= 360(1.03 )^x$

Since, this amount represented by y,

Thus, the required equation that represents the amount of money in Josiah’s account, y, after x years is,

$y = 360(1.03 )^x$

15 is 2 1/2 of what number?

Answers

15 is 2 1/2 of a number 6.

We need to find that 15 is 2 1/2 of what number.

What is the meaning of 'of' in maths?

In math, 'of' is also considered one of the arithmeticoperations which means multiplication within the brackets.

Let the unknown number be y.

Now, 2 1/2 of y=15

⇒5/2 ×y=15

⇒y=6

Therefore, 15 is 2 1/2 of 6.

To learn more about algebraic expressions visit:

brainly.com/question/953809.

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▪ Answer:

n = 6

▪ Step-by-step explanation:

n × 2 1/2 = 15

n × 5/2 = 15

n × 5 = 30

n = 30 ÷ 5

n = 6

A line contains the point (-2, 2) and is parallel to the line y = Â½x + 8. What is the equation of this parallel line?

Answers

Answer:

y = $(1)/(2)$ x + 3

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

given the line with equation

y = $(1)/(2)$ x + 8 ← in slope- intercept form

with slope m = $(1)/(2)$

• Parallel lines have equal slopes , then

y = $(1)/(2)$ x + c ← is the partial equation of the parallel line

to find c, substitute the point (- 2, 2 ) into the partial equation

2 = $(1)/(2)$ (- 2) + c = - 1 + c ( add 1 to both sides )

3 = c

y = $(1)/(2)$ x + 3 ← equation of parallel line

Suppose that you flip a coin 13 times. What is the probability that you achieve at least 5 tails?

Answers

Heads, or tails. It's 1/2 a chance, because either way you will either land heads or tails. It would be a probability of 1-(1/2)^5. Can you solve that?

Find the next two numbers in the pattern. 5, −20, 80, −320, ...