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saw5 [17]
3 years ago
9

Solve for x given the point (x,9) is a point on the line y = 3x + 7.

Mathematics
2 answers:
kirill115 [55]3 years ago
6 0

From the given point (x , 9) let's plug the value of its y - coordinate of into Equation - y = 3x + 7 and solve for x :

  • 9 = 3x + 7

  • 2 = 3x

  • x =  \dfrac{2}{3}

hence, value of x = 2/3

Ket [755]3 years ago
5 0

Answer:

0.67 = x

Step-by-step explanation:

to solve the value of x we need to : (x,9)

y = 3x + 7

9 = 3x + 7

9 - 7 = 3x

2 = 3x

2/3 = x

0.67 = x

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stellarik [79]

Answer: (0,-2)

Step-by-step explanation: uhdehdwhehehhH

6 0
3 years ago
the diameter of a piston for an automobile is 3 11/16in with tolerence of 1/64in. find the upper and lower limits of the pistons
padilas [110]

Upper Tolerance

Remark

The 11/16 is the only thing that will be affected. The three won't go up or down when we add 1/64 so we should just work with the 11/16. We need only add 11/16 and 1/64 together to see what the upper range is. Later on we can add 3 into the mix.

Solution

<u>Upper Limit</u>

\dfrac{11}{16} +  \dfrac{1}{64}

Now change the 11/16 into 64. Multiply numerator and denominator or 11/16 by 4

\dfrac{11*4}{16*4} +  \dfrac{1}{64}

\dfrac{11*4}{16*4} +  \dfrac{1}{64} Which results in

\dfrac{44}{64} +  \dfrac{1}{64}

With a final result for the fractions of 45/64

So the upper tolerance = 3 45/64

<u>Lower Tolerance</u>

Just follow the same steps as you did for the upper tolerance except you subtract 1/64 like this.

\dfrac{11}{16} - \dfrac{1}{64}

Your answer should be 3 and 43/64


4 0
3 years ago
2. Trouvaughn bought b bags of oranges, which cost 80 cents per bag. If Trouvaughn paid with a
Damm [24]
Amount that trouvaughn paid : $0.80b
ten dollar bill = $10

so $(10-0.80b)
5 0
3 years ago
Express 78 billion in scientific notation
ryzh [129]

Answer:

7.8 * 10^{10} is scientific notation of 78 billion

Step-by-step explanation:

For scientific notation , follow the following notation:

a * 10^{b} -------->(equation 1)

Let,  a^{'} = 78 billion

a^{'} = 78000000000

a^{'} = 78000000000.0

In standard form

a = 7.8000000000

or

a = 7.8

As decimal point move 10 places from right to left, therefore

b = 10

Put the value of 'a' and 'b' in (equation 1)

7.8 * 10^{10} is scientific notation of 78 billion

6 0
3 years ago
A potter use 4/5 of a pound of clay to make a bowl.How many bowls can the potter make from 12 pounds.
Aleksandr [31]

12/1 / 4/5=

12/1 * 5/4 =

60/4 = 15

 they can make 15 bowls

8 0
3 years ago
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