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MissTica
3 years ago
8

Solve. 8/21=3x/7 What does X equal?

Mathematics
1 answer:
jeka57 [31]3 years ago
6 0

Answer:

x= 8/9

Step-by-step explanation:

You must divide 8/21 & 3/7 As a fraction.

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Find the first five terms for the following arithmetic sequence Tn=5n-6?
Vikki [24]

Answer:

The first five terms are -1,4,9,14 and 19.

Step-by-step explanation:

The arithmetic sequence is :

T_n=5n-6

We need to find the first five terms of the sequence.

Put n = 1 for first term.

T_1=5(1)-6=-1

Put n = 2 for second term.

T_2=5(2)-6=\\\\=10-6\\\\=4

Put n = 3 for third term.

T_3=5(3)-6=\\\\=15-6\\\\=9

Put n = 4 for fourth term.

T_4=5(4)-6=\\\\=20-6\\\\=14

Put n = 5 for fifth term.

T_3=5(5)-6=\\\\=25-6\\\\=19

Hence, the first five terms are -1,4,9,14 and 19.

6 0
3 years ago
Marcia has a sunflower garden. The plants are currently 36 inches tall and are growing at a rate of 4 inches each week. Write an
alexgriva [62]
H = 4w + 36 
is your equation
6 0
3 years ago
The local bike shop sells a bike and accessories package for $320 if the bike is worth 7 times more than the accessories,how muc
sdas [7]
So, bike=b and accessories=a.

b+a=320

Since the bike is worth 7 times more than the accessories, the b would turn into 7a (because 7 times the cost of accessories is the cost of the bike).

The equation would now turn into 7a+a=320.

Solve for a.

7a+a=320
8a=320
a=40

Now that you know the cost of the accessories, you multiply that 40
by 7 to get the cost of the bike.

40(7)
280

The cost of the bike is $280.
The cost of the accessories are/is $40.
6 0
3 years ago
a car rent is $240 per week plus $1.00 per mile. Find the rental cost for a two week trip of 500 miles for a group of three peop
tankabanditka [31]

Answer:

I'm not sure if you mean each person has a car for 2 weeks and travels 500 miles each but if so the rental cost is $2,940.

If it is just one car for all 3 people the rental cost is $980

Step-by-step explanation:

renatl cost = r

weeks = w

miles = m

the equation would be  r = $240w + $1m

and if there are 3 people you mulitply the answer by 3

5 0
3 years ago
Which region represents the solution to the given system of inequalities?
Phoenix [80]

Answer: The intersection region shown in the graph attached is the solution of the system of inequalities.

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope and "b" is the y-intercept.

 Given the following system of inequalities:

\left \{ {{x+3y\leq-3 } \atop {x\geq3 }} \right.

We need to graph the lines.

We have the line:

x+3y=-3

Solving for "y", we get:

3y=-x-3\\\\y=\frac{1}{3}x-1

Knowing that m=-\frac{1}{3} and b=-1, we can graph it.

Since the symbol is \leq, the line must be solid.

The other line is:

x=3

Since "x" only takes one value, we can identify that it is a vertical line, so we can graph it.

Since the symbol is \geq, the line must be solid.

We need to substitute a point that is not on the line, into each inequalities. Let's choose the point (0,0).

Then:

0+3(0)\leq-3\\\\0\leq-3

This is false, therefore, we must shade the half that does not contain this point.

0\geq 3

This is false, so we must shade the half that does not contain this point.

The intersection region of the solutions (Observe the graph attached) of the given inequalities is the solution of the system of inequalities.

8 0
3 years ago
Read 2 more answers
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