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PtichkaEL [24]
3 years ago
13

Evaluate 3 - 24 + 8 + 42. A.0 B.2 C.16 D.24

Mathematics
2 answers:
ElenaW [278]3 years ago
6 0
I got 29 i think i’m just dumb this is why i have this app
Fudgin [204]3 years ago
4 0

3 - 24 + 8 + 42

= (3 - 24) + 8 + 42

= (-21 + 8) + 42

= -13 + 42

= 29

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Please help! I’ll give brainliest!
anzhelika [568]

Answer:

y=3x+3

Step-by-step explanation:

the line doesnt connect with a negative so the first and third arent it. And the line cross's with a 3 not an x so the seconds on isnt the answer. Leaving the last one the answer.

5 0
3 years ago
If he rows with the current, Mishka rows 48 km in 3 hours. If he rows against the current, it takes 4 hours to travel the same d
Zarrin [17]
<h2>Mishka's speed = 14 km/hr</h2><h2>Current speed = 2 km/hr</h2>

Step-by-step explanation:

Let the speed of rowing be r and speed of current be c.

If he rows with the current, Mishka rows 48 km in 3 hours.

        Relative speed = r + c

        Distance = 48 km

        Time = 3 hours

        48 = 3 x ( r+c)

        r + c = 16 ---------------------------eqn 1

If he rows against the current, it takes 4 hours to travel the same distance.

        Relative speed = r - c

        Distance = 48 km

        Time = 4 hours

        48 = 4 x ( r - c)

        r - c = 12 ---------------------------eqn 2

eqn 1 + eqn 2

        2r = 28

          r = 14 km/hr

Substituting in eqn 1

         14 + c = 16

                c = 2 km/hr

Mishka's speed = 14 km/hr

Current speed = 2 km/hr

6 0
3 years ago
Donna had $9 in her bank account. She made $16 when she mowed her neighbors' lawns. Then,
Trava [24]

Answer:

$-2

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find the average of the number set 12, 10, 12, 11, 9, and 4
Elena-2011 [213]
Step 1: Add up all the numbers: 12 + 12 + 11 + 10 + 9 + 4 = 58
Step 2: Divide by how many there are. There are 6 numbers so, 58 <span>÷ 6 = 9.6</span>
<span /><span>Answer: 9.6
</span>

4 0
3 years ago
a bug population doubles every 5 days. If you start with 6 bugs, how many bugs will there be in 35 days
Shtirlitz [24]

Answer:

768 bugs

Step-by-step explanation:

You can rewrite this problem as a function as time where the bug population is f(x), and x is the number of days since the start.

f(x)=6*2^(x/5)

Here, the 6 represents the number of bugs that you start with, the two shows that they double every day, and the /5 shows that they double every 5 days.

By plugging in 35, you get 6*2^7, which is 768.

5 0
2 years ago
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