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tatuchka [14]
3 years ago
6

Help please :]!! please be right,

Mathematics
2 answers:
pickupchik [31]3 years ago
8 0
I think it’s c I had this question lol
Step2247 [10]3 years ago
4 0
It’s c ! gl on ur work ^^
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Chang knows one side of a triangle is 13 cm. Which set of two sides is possible for the lengths of the other two sides
wlad13 [49]
The correct answer for this problem is D.
3 0
2 years ago
Hello , I need help please THANKYOU 100 POINTS
Gnesinka [82]

Step-by-step explanation:

1)

Let x=larger number

y=smaller number

x+y=59

x-y=13

Now adding these two equations we get

2x=72

x=36

Now as x-y=13

y=x-13=36-13=23

y=23

Therefore the larger number is 36 and the smaller number is 23

(or else u could also write)

The numbers are 36 and 23

---------------------------------------------

2)

Let x=first number

y=Second number

x+y=15

2x-y=6

Now adding these two equations we get

3x=21

x=7

Now as x+y=15,

y=15-x=15-7=8

y=8

Therefore the first number is 7 and the second number is 8

-------------------------------------------

3)

Let x=Larger number

y=smaller number

x-y=3

x-3y=-11

Now on subtracting these two equations we get

2y=14

y=7

Now as x-y=3,

x=y+3=7+3=10

x=10

Therefore the larger number is 10 and the smaller number is 7

8 0
2 years ago
Read 2 more answers
CAN SOMEONE PLEASE EXPLAIN THIS, I DONT NEED THE ANSWER ONLY EXPLANATION!!!!! HELP FASTTTTT THE ANSWER IS HEAT WAS ADDED
sergij07 [2.7K]

Answer:

C

Step-by-step explanation:

The substance in the second beaker must have lost heat for it to solidify

3 0
3 years ago
Read 2 more answers
Linear equations
saw5 [17]

Answer:

Ethan started of with 246,000 Twitter followers

Step-by-step explanation: 12,000 x 4 = 48,000

48,000 + 198,000 = 246,000


3 0
3 years ago
The final exam of a particular class makes up 40% of the final grade, and Moe is failing the class with an average (arithmetic m
amm1812

Answer:

%82.5

Step-by-step explanation:

  1. The final exam of a particular class makes up 40% of the final grade
  2. Moe is failing the class with an average (arithmetic mean) of 45% just before taking the final exam.

From point 1 we know that Moe´s grade just before taking the final exam represents 60% of the final grade. Then, using the information in the point 2 we can compute Moe´s final grade as follows:

FG=0.40*FE+0.60*0.45,

where FG is Moe´s Final Grade and FE is Moe´s final exam grade. Then,

\frac{ FG-0.60*0.45}{0.40}=FE.

So, in order to receive the passing grade average of 60% for the class Moe needs to obtain in his exam:

FE=\frac{ 0.60-0.60*0.45}{0.40}=0.825

That is, he need al least %82.5 to obtain a passing grade.

6 0
3 years ago
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