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scoray [572]
3 years ago
8

The school hiking club has completed 4 out of 5 hikes so far this year. They have hiked 4.6 miles, 3.7 miles, 5.1 miles, and 2.9

miles. If their goal is to hike 20 total miles, how many miles does the last hike need to be?
1.7 miles
4.7 miles
2.7 miles
3.7 miles
Mathematics
1 answer:
sweet [91]3 years ago
6 0

Answer:

there last hike i think needs to be 7.2 miles long

Step-by-step explanation:

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15. Solve for the variable. Show all work.
MrRissso [65]
Add 15 and 9, then subtract that by 87. 63 should be your answer.
5 0
2 years ago
Alex runs up a staircase with n steps, and can hop either 1, 2, or 3 steps at a time. Count how many possible ways the child can
MArishka [77]

Answer:

There are 4 possible ways

Step-by-step explanation:

Data provided in the question:

Alex can hop in 1 steps, 2 steps, or 3 steps at a time.

From the above data it can be concluded that at a single maximum 3 steps can be run at a time

thus,

for running 3 steps at a time from the above data, we can have

with 1 step only : {1 , 1 , 1}

with 1 step first and 2 steps : {1 , 2}

with 2 steps first and then the 1 step: {2 , 1}

and 3 steps at once : {3}

thus, we have 4 possible ways to run up the stairs keeping the above condition.

8 0
3 years ago
On a coordinate plane, 2 triangles are formed with a line with points (0, 2) and (x, y). A triangle has a rise of 1 and run of 2
DanielleElmas [232]

Answer: On a coordinate plane, 2 triangles are formed with a line with points (0, 2) and (x, y). A triangle has a rise of 1 and run of 2. Another triangle has a rise of 3 and run of 6.

Step-by-step explanation: Hope this helped if not just reply, I'll answer when I get a chance

7 0
2 years ago
The snow at my aunt winter house is up to 11/12 feet. A new storm added 7/2 feet what is the snow level now?
FinnZ [79.3K]

First make common denominators.


Multiply 6 to numerator and denominator of 7/2


7/2(6/6) = 42/12


Add the two fractions together.


42/12 + 11/12 = 53/12



Change the improper fraction into mixed fraction, and simplify if need be.


53/12 = 4 5/12



4 5/12 feet is your answer


hope this helps

6 0
3 years ago
Julio is paid 1.2 times his normal hourly rate for each hour he works over 31 hours in a week. Last week he worked 41 hours and
xxTIMURxx [149]

Let Julio's normal hour rate is $x .

So we have

31x + (41-31)*1.2 x = 550.40
\\
31x +10*1.2x = 550.40
\\
31x+12x = 550.40
\\
43x= 550.40
\\
x = \frac{550.40}{43}=$12.80

So Julio's hourly rate is $12.80.

And this is reasonable , since working 41 hours at a rate of  $ 13 per hour is

=41(10+3)=410+123=533

is close to 550.40 .

5 0
3 years ago
Read 2 more answers
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