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dexar [7]
4 years ago
7

Solve for x: -1/9(x-27)+1/3(x+3)=x+4

Mathematics
1 answer:
Anni [7]4 years ago
5 0
The answer for this problem is x=0

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Someone smart help me please
mafiozo [28]
Pretty sure it is
shift 1 left
i might be wrong
7 0
3 years ago
Trigonometry
xxMikexx [17]

Answer:

1.309 rad

Step-by-step explanation:

We are told to convert 75° to radians.

# we know that 1° is equivalent to 0.01745radians.

-To convert any angle degree to  radians, we multiply it by π/180 or 0.01745rad:

=75\textdegree \times \pi/180\\\\=1.309 \ rad

Hence, the radian equivalent of 75 is 1.309 rad

8 0
3 years ago
Kay is buying juice at the market. She has $9 and each bottle of juice costs $2 does she have enough money to buy 5 bottles of j
MariettaO [177]
No because if she has $9 and the orange juice costs $10 (5 bottles) she needs a dollar more so no she doesnt have enough money
7 0
3 years ago
Read 2 more answers
given that oa=2x+9y ob=4x+8y and cd= 4x-2y, explain the geometrical relationships between the straight lines ab and cd mathswatc
tangare [24]

The geometrical relationships between the straight lines ab and cd

is the straight line ab is parallel to the straight line cd

Step-by-step explanation:

Let us revise some notes:

  • If a line is drawn from the origin and passes through point A (a , b), then the equation of OA = ax + by
  • If a line is drawn from the origin and passes through point B (c , d), then the equation of OB = cx + dy
  • To find the equation of AB subtract OB from OA, then AB = (c - a)x + (d - b)y
  • The slope of line AB = \frac{-coefficient(x)}{coefficient(y)}

∵ oa = 2 x + 9 y

∵ ob = 4 x + 8 y

∵ ab = OB - OA

∴ ab = (4 x + 8 y) - (2 x + 9 y)

∴ ab = 4 x + 8 y - 2 x - 9 y

- Add like terms

∴ ab = (4 x - 2 x) + (8 y - 9 y)

∴ ab = 2 x + -y

∴ ab = 2 x - y

∵ The slope of ab = \frac{-coefficient(x)}{coefficient(y)}

∵ Coefficient of x = 2

∵ Coefficient of y = -1

∴ The slope of ab = \frac{-2}{-1}=2

∵ cd = 4 x - 2 y

∵ Coefficient of x = 4

∵ Coefficient of y = -2

∴ The slope of cd = \frac{-4}{-2}=2

∵ Parallel lines have same slopes

∵ Slope of ab = slope of cd

∴ ab // cd

The geometrical relationships between the straight lines ab and cd

is the straight line ab is parallel to the straight line cd

Learn more;

You can learn more about the parallel lines in brainly.com/question/10483199

#LearnwithBrainly

4 0
3 years ago
Please help me with this question
storchak [24]

Answer:

B. 1.2 x 10^-1

Step-by-step explanation:

3.6 x 10^7 = 36,000,000

3 x 10^8 = 300,000,000

36,000,000 ÷ 300,000,000 = 0.12

= 1.2 x 10^-1

5 0
4 years ago
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