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2 years ago

Please help!!!

Mathematics

1 answer:

lord [1]2 years ago

7 0

Answer:

1a) Yes

1b) No

1c) Yes

1d) No

1e) Yes

1f) Yes

Step-by-step explanation:

1a) 3+4>5

7>5 Yes

4+5>3

9>3 Yes

5+3>4

8>4 Yes

Yes

1b) 1+4 =5

No

1c) 1+5>5 Yes

5+5>1 Yes

1+5>5 Yes

Yes

1d) 4+3<8 No

No

1e) 8+8>4 Yes

8+4>8 Yes

Yes

1f) 4+4>4 Yes

4+4>4 Yes

Yes

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2 years ago

Hannah and Dawson have both invested money in savings accounts with APYs of 3.2%. If Hannah's account has a balance of $31,000 a

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Answer:

$341.07

Step-by-step explanation:

Hanna and Dawson both invested at 3.2% = 0.032

Hannah has balance of 31,000 in account

Dawson has balance of 42000 in account

Interests earned by both are

1)Hannah -P(1+i)^-n

=31000(1+0.032)^-1

=31000(1.032)^-1

=31000(0.968992)

=$30038.752

=$30038.75

Interest earned by Dawson is $31,000 - $30038.75 = $961.25

2)Dawson- P(1+i)^-n

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=42000(1.032)^-1

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Interest earned by Dawson is $42,000 - $40697.66= $1302.32

3) Hence the amount that Dawson earns than is:

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= $341.07

3 0

3 years ago

Point A is at (-2,-2)? true or false

vladimir1956 [14]

A= (2,-2)
B= (-2,-2)
C=(2,4)
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6 0

11 months ago

b. If each square has a side length of 61 cm, write an expression for the surface area and another for the volume of the figure

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Answer:

6*(61^2) and 61^3

Step-by-step explanation:

If the squares have a side length of 61 (assuming this is a cube) our surface area is 6*(61^2) because each side is a square and there are six sides.

As for the volume, we have 61^3.

Hope this was helpful.

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2 years ago

Derrick will need $39,500 in 10 years for college tuition. How much should his parents invest now at 9.5% annual interest, compo

erastova [34]

Answer:

His parents should invest $15,278.16 to reach this goal ⇒ 4th answer

Step-by-step explanation:

* Lets explain how to solve the problem

- Derrick will need $39,500 in 10 years for college tuition

∴ The future amount is $39,500

∴ The time for investment is 10 years

- P is the money his parents invest now at 9.5% annual interest,

compounded daily

∴ The rate is 9.5% per year compounded daily

- The formula of the compounded interest is:

$A=P(1+\frac{r}{n})^{nt}$ , where

# A is the future value of money

# P is the value of investment

# r is the rate of interest in decimal

# t is the time of investment

# n is the period of the time

∵ A = $39,500

∵ t = 10

∵ r = 9.5/100 = 0.095

∵ n = 365 ⇒ compounded daily

- Lets use the formula above to find P

∴ $39500=P(1+\frac{0.095}{365})^{365*10}$

∴ $39500=p(2.58539)$

- Divide both sides by 2.58539

∴ P = $15278.16

∴ His parents should invest $15,278.16 to reach this goal

7 0

3 years ago