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Andrew [12]
2 years ago
10

Please help. first one in gets brainliest along with 5* and thanks.

Mathematics
2 answers:
Aloiza [94]2 years ago
6 0
18-x
18/2=6
18-5=13 I’m not sure
PilotLPTM [1.2K]2 years ago
4 0

Answer:

18-x

18/2=6

18-5=13

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Ms. Carson's art class made a large rectangular mural. The length of the mural is 9 feet, and it's area is 72 square feet. What
lorasvet [3.4K]
You do the reverse and divide the 2 values to find out the last one

72/9 = 8

Do you get it?
8 0
3 years ago
Read 2 more answers
Liam is making barbecue ribs over a fire. The internal temperature of the ribs when he starts cooking is 40°F. During each hour
Soloha48 [4]

Answer: You need to wait at least 6.4 hours to eat the ribs.

t ≥ 6.4 hours.

Step-by-step explanation:

The initial temperature is 40°F, and it increases by 25% each hour.

This means that during hour 0 the temperature is 40° F

after the first hour, at h = 1h we have an increase of 25%, this means that the new temperature is:

T = 40° F + 0.25*40° F = 1.25*40° F

after another hour we have another increase of 25%, the temperature now is:

T = (1.25*40° F) + 0.25*(1.25*40° F) = (40° F)*(1.25)^2

Now, we can model the temperature at the hour h as:

T(h) = (40°f)*1.25^h

now we want to find the number of hours needed to get the temperature equal to 165°F. which is the minimum temperature that the ribs need to reach in order to be safe to eaten.

So we have:

(40°f)*1.25^h = 165° F

1.25^h = 165/40 = 4.125

h = ln(4.125)/ln(1.25)  = 6.4 hours.

then the inequality is:

t ≥ 6.4 hours.

4 0
3 years ago
Tiffany drove from New York to California over the course of 8 days. Each day, she took a one- hour lunch break and a two-hour d
Goshia [24]
The answer is 1/8 (A)
7 0
2 years ago
Answer true or false.
garik1379 [7]

Answer:

It's true because plane geometry is 2 dimensional and solid geometry is 3 dimensional dont get them confused ok.

3 0
3 years ago
Read 2 more answers
Jake's parents want $100,000 at the end of 40 years. They put their money in an account that yields 4% per year compounded conti
Rudik [331]

Answer:

$ 20,189.65

Step-by-step explanation:

Jake's parents want $100,000 at the end of 40 years. They put their money in an account that yields 4% per year compounded continuously. How much money should jakes parents deposit?

From the above question, we are to find the Principal. The formula for Principal compounded continuously =

P = A / e^rt

Where:

A = Amount after time t = $100,000

r = Interest rate = 4%

t = Time in years = 40 years

First, convert R percent to r a decimal

r = R/100

r = 4%/100

r = 0.04 per year,

Then, solve our equation for P

P = A / e^rt

P = 100,000.00 / e ^(0.04×40)

P = $ 20,189.65

Therefore, the amount Jake's parents should invest = $ 20,189.65

8 0
3 years ago
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