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Nonamiya [84]
3 years ago
13

9) Brennen is rock climbing and is 15 feet above ground level. He descends 4 feet,

Mathematics
1 answer:
DanielleElmas [232]3 years ago
6 0

Answer:

15 feet above ground.

Step-by-step explanation:

15 feet - 4 feet = 11 feet

11 feet + 5 feet = 16 feet

16 feet - 1 foot = 15 feet

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How do I do This math....-2.5-(-3.25)=
zhannawk [14.2K]

When you subtract a negative, it changes it to adding a positive.

= -2.5 - (-3.25)

= -2.5 + 3.25

= 0.75

Hope This Helped! Good Luck!

3 0
3 years ago
a certain job can be done in 20 hours by 4 people. how many people are needed to do the same job in 10 hours?
maxonik [38]
If it takes 4 people to get a job done in 20 hours, then in 10 hours, it will take 2 people to complete the same job.
To find out how many people are needed to do this job in 10 hours, we can see that we got to 10 hours by dividing 20 by two so, to see how many people are needed to complete this same job in ten hours, we would just divide 4 people by 2 which is 2 people.
So, in conclusion, if it takes a certain job to be done in 20 hours by 4 people, then it would take 10 hours for that same job to be completed by 2 people.
Glad I could help!
7 0
2 years ago
Hi help me please, I can't seem to figure this one out​
Nastasia [14]

Answer:

x= 2.73cm

<u>1cm : 0.6828 = 4cm : 2.73cm</u>

For the same angle we just work out 1cm first.

a^2+ b^2= c^2

0.82^2 + b^2 = 1^2 = changing to units 10

6.724 + b^2 = 10

10-6.724 = 2.276

Then x 3 and change units down by 10= 0.6828  

Step-by-step explanation:

Below shows why we must convert to mm from cm

a^2+ b^2= c^2

0.82^2 + b^2 = 1^2 =

0.6724 + b^2 = 1

1 - 0.6724 = b = 0.2276

0.2276 x 3 = 0.6828 cm

7 0
3 years ago
Which properties are best used prove a quadrilateral is a square?
adell [148]

Answer:

a, b, c, & d

Step-by-step explanation:

8 0
3 years ago
Rewrite the equation B - 7,536 = 2t as a function of t.
pav-90 [236]

Answer:

B = 2t + 7,536

Step-by-step explanation:

B - 7,536 = 2t

Add 7,536 to both sides.

B = 2t + 7,536

8 0
3 years ago
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