2 years ago

Could someone help me please ?

Mathematics

2 answers:

natka813 [3]2 years ago

8 0

Answer:

Add the 2 numbers up together. Thatś how I have learned to do it anyway. maybe someone else has something different.

Step-by-step explanation:

seropon [69]2 years ago

7 0

Answer:

19.4 (rounded to 3 significant figures)

Step-by-step explanation:

SOH CAH TOA

You would use CAH for this question because you are told to find the length for BC, which is the hypotenuse and you are told the adjacent line is 6.3cm.

H=A÷C

=6.3÷cos(71)

=19.3507869666

H=19.4 (rounded to 3 significant figures)

You might be interested in

A bus makes a stop at 2:30, letting off 13 people and letting on 5. The bus makes another stop ten minutes later to let off 4 mo

Alla [95]

Answer:14

Step-by-step explanation:

13+5-4=14 No 1 more person got on.

4 0

2 years ago

15 liters decreased by 60%

puteri [66]

15 divided by 60= 3.50

8 0

2 years ago

Five years ago mean age of a family was 25 years. What is the present mean age of the family?

Anit [1.1K]

Answer:

The mean depends on the no. of family members but the question hasn't mentioned it. So I have no idea what to do with this.

7 0

2 years ago

Is it okay to switch -3 = x - 5 to become -3 = 5 - x?

Zepler [3.9K]

Answer:

No, those are not the same.

Step-by-step explanation:

Assuming x=2,

-3=2-5 is not the same as -3=5-2

5 0

2 years ago

Read 2 more answers

6 + 2(2x-3) = 2x+12 =

AleksandrR [38]

Answer: 14

Step-by-step explanation: 6 + 2(2x-3) = 2x+12 =

This always first in a problem (2x-3) then 6 + 2 then answer (2) for 1st one

Then you do 2x+ 12 which is (14)

4 0

2 years ago