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Troyanec [42]
3 years ago
14

Please help I will mark brainliest

Mathematics
1 answer:
Mumz [18]3 years ago
5 0

Answer:

10

Step-by-step explanation:

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The elevation of Mount Everest is 29028 feet . The elevation of the dead sea is - 485 feet. What is th difference in the elevati
LUCKY_DIMON [66]
Difference = subtract
29028-(-485) if you subtract a negative the sign changes to positive and the subtraction changes to addition so ur answer is 29513
4 0
4 years ago
Read 2 more answers
What is x when 2(x+3)=x-4
denpristay [2]

Answer:

x=-10

Step-by-step explanation:

First, use distribution to simplify

2(x+3)=x-4\\2x+6=x-4

Then, simplify further by combining like terms

2x+6=x-4\\2x+10=x\\10=-1x

Solve

10=-1x\\x=-10\\

8 0
3 years ago
The second term of a geometric progression is 5 and the fourth term is 31.25. Find the
Jet001 [13]

Answer:

r = 2.5

Sn = 51.55

Step-by-step explanation:

5r^2 = 31.25

r^2 = 31.25/5

r = sqrt 6.25

7 0
3 years ago
Solve the equations by isolating (getting the variable by itself) the variable and using the inverse operations. 5x + 3 < -7
I am Lyosha [343]

Answer: use mat.h.wa.y to get your answer bruv

Step-by-step explanation:

5 0
3 years ago
Solve the proportion
Elena-2011 [213]
To solve this, you need to cross multiply the fractions.

Let’s say you have these fractions:
A / B = C / D

To cross multiply, multiply the denominator of the first fraction (B) by the numerator of the second fraction (C). Multiply the numerator of the first fraction (A) by the denominator of the second fraction (D).

You get B x C = A x D

After cross multiplying your fractions, you get 63 = 7(c +4)

Distributing the 7 into c+4 gives you this:
63 = 7c + 28

Now solve this like a normal equation with a variable

63 = 7c + 28
35 = 7c
5 = c

To double check that, plug c = 5 into the original equation.

1/(5) + 4 = 7/63
1/9 = 7/63

7/63 simplifies into 1/9 (7:7 = 1, 63/7 = 9)

1/9 = 1/9 so c = 5 is correct
8 0
3 years ago
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