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Ymorist [56]
3 years ago
6

Solve for x: 3x + 4 = 9

Mathematics
2 answers:
coldgirl [10]3 years ago
3 0

Answer:

x=1.6 repeating. I hope this helped

MArishka [77]3 years ago
3 0

Answer:

5/3

Step-by-step explanation:

3x + 4 = 9 is the equation.

Subtract 4 from each side.

3x = 9 - 4

3x = 5

divide each side by 3

3x/3 = 5/3

The answer is 5/3 or 1 and 2/3

Rate as brainliest

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Reema made 10 muffins. Her parents ate 1/2 of the muffins. Her brother ate 1/5 of the muffins. Her sister ate 1/10 of the muffin
Alex Ar [27]

Answer:6.2

Step-by-step explanation:10-1/2-1/5-1/10=6.2

3 0
3 years ago
Drag the tiles to the correct boxes to complete the pairs. Not all tiles are used.
Sati [7]

Answer:

a) aₙ = 4.(2)^n-1

b) aₙ = 2+3(n-1)

c) aₙ = 3+4(n-1)

d) aₙ = 3.(4)^n-1

Step-by-step explanation:

a) a geometric sequence with first term of 4 and a common ratio of 2

aₙ = ar^n-1

where a is the first term and r is the common ratio

aₙ = 4.(2)^n-1

Comparing with the standard form:

1st term = 4

Common ratio = 2

b) an arithmetic sequence with a first term of 2 and a common difference of 3

The standard form of arithmetic sequence is:

aₙ = a₁ + d(n-1)

where a₁ is the first term and d is the common difference

Given: aₙ = 2+3(n-1)

Comparing with standard equation

First term = 2

Common difference = 3

c) an arithmetic sequence with a first term of 3 and a common difference of 4

The standard form of arithmetic sequence is:

aₙ = a₁ + d(n-1)

where a₁ is the first term and d is the common difference

Given: aₙ = 3+4(n-1)

Comparing with standard equation

First term = 2

Common difference = 3

d) a geometric sequence with first term of 3 and a common ratio of 4

aₙ = ar^n-1

where a is the first term and r is the common ratio

aₙ = 3.(4)^n-1

Comparing with the standard form:

1st term = 3

Common ratio = 4

6 0
3 years ago
A chemist needs 90 milliliters of a 25% solution but has only 16% and 43% solutions available
Stels [109]
Let f be amount of 43% and  s be amount of 16%...

s+f=90, f=90-s

(.16s+.43f)/90=.25  using f found above we get:

(.16s+.43(90-s))/90=.25

.16s+38.7-.43s=22.5

-.27s=-16.2

s=60, and since  f=90-s, f=30

So the chemist will need to mix 60ml of 16% solution with 30ml of 43% solution to create 90ml of a 25% solution.








4 0
3 years ago
(4 - 1+ 3/3) 15
ANEK [815]
Solve for what expresssion don’t
3 0
3 years ago
How do I solve this 20/-2
Ivanshal [37]
The answer is -10.
20/-2=-10
4 0
3 years ago
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