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erastovalidia [21]
2 years ago
12

A scuba diver is swimming 28 feet below the water’s surface. The diver swims up slowly at a rate of 0.3 feet per second for 6 se

conds. Then they swim back down for 4 seconds at a rate of 0.3 feet per second. What is the diver’s new depth?
Mathematics
2 answers:
NISA [10]2 years ago
8 0

Answer:

27.4 feet down deep

Step-by-step explanation:

28 feet down, swins up for 0.3 feet times 6 or 1.8 feet up

leaving a total of 26.2 under the sea and he swims back down at 0.3 feet times 4 or 1.2 feet down. and the new total is 26.2 + 1.2 which equals 27.4 feet down in the deep sea

kobusy [5.1K]2 years ago
6 0

Answer:

27.4 feet

Step-by-step explanation:

.3 ft per sec for 6 sec = 1.8 feet

.3 ft per sec for 4 sec = 1.2 feet

28 - 1.8 + 1.2 = 27.4

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Find the principle fourth root of -81, checking your answer by raising to the 4th power. If there are "no real roots," then type
kondaur [170]

Answer:

None

Step-by-step explanation:

There are actually 2 answers, 3 and -3. Although if you put it in a calculator, it would show "math error" or undefined. That's because the index is even (4) and the radicand is negative (-81)

4 0
3 years ago
A map is drawn so that every 1 inch on the map represents 50 actual miles. The table below can be used to record the actual dist
olasank [31]
200 miles
You just multiply 50 by 4.

:) have a good day !
7 0
2 years ago
8, 2, 0, 2, 8, 18<br> What are the next three numbers in the sequence?<br> What is the pattern?
Tom [10]

Answer:

22,40,62

Step-by-step explanation:

0+2=2  2+6=8 8+10=18

2 6 10 14 18 22 four in between

so you will add these numbers each time

18+14=22  22+18=40  40+22=62

4 0
2 years ago
12x - 2y = -1<br>+ 4x + 6y= -4<br>​
svp [43]

Answer:

x = -7/40 , y = -11/20

Step-by-step explanation:

Solve the following system:

{12 x - 2 y = -1 | (equation 1)

4 x + 6 y = -4 | (equation 2)

Subtract 1/3 × (equation 1) from equation 2:

{12 x - 2 y = -1 | (equation 1)

0 x+(20 y)/3 = (-11)/3 | (equation 2)

Multiply equation 2 by 3:

{12 x - 2 y = -1 | (equation 1)

0 x+20 y = -11 | (equation 2)

Divide equation 2 by 20:

{12 x - 2 y = -1 | (equation 1)

0 x+y = (-11)/20 | (equation 2)

Add 2 × (equation 2) to equation 1:

{12 x+0 y = (-21)/10 | (equation 1)

0 x+y = -11/20 | (equation 2)

Divide equation 1 by 12:

{x+0 y = (-7)/40 | (equation 1)

0 x+y = -11/20 | (equation 2)

Collect results:

Answer:  {x = -7/40 , y = -11/20

6 0
3 years ago
What are two numbers that has the product of 40 but has the sum of 13
Maksim231197 [3]

Answer:

8 and 5

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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