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Jobisdone [24]
3 years ago
9

Solve for x. 4x – 34 = 8x + 6 *

Mathematics
2 answers:
Rasek [7]3 years ago
6 0

Answer:

explanation:

9966 [12]3 years ago
5 0

Answer:

x= -10

Step-by-step explanation:

Subtract 8x from 4x ( -4x )

-4x-34=6

Add 34 to 6 ( 40 )

-4x=40

Divide by -4 ( -10 )

x= -10

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One term of a geometric sequence is a4=135. The common ratio is r=3. Write an explicit rule for the nth term.
Anni [7]

Answer:

a_{n} = 5 * 3^{n-1}

Step-by-step explanation:

To find the nth term of a geometric sequence, you have the general formula:

a_{1} *r^{n-1}

where a1 is the first term and r is the common ratio. In order to find the 4th term, we can substitute what we have(n is 4 because we are looking for the fourth term):

135 = a_{1} * 3^{4 - 1}

135 = a_{1} * 3^3

135 = 27a_{1}

a_{1} = 5

Now, we can substitute the first term back in:

a_{n} = 5 * 3^{n-1}

8 0
3 years ago
The cost for n teachers to attend the technology conference is 3n+5 dollars. What is the cost for 7 teachers to attend
Veronika [31]
If it costs 3n+5, you have to plug 7 in for n and solve. 3(7)+5=26 so $26 

3 0
3 years ago
What is the outliner of 279,593,593,597,599,606,611,613,615,619,
Fynjy0 [20]

Answer:

279 :p

Step-by-step explanation:

6 0
4 years ago
A store sells potatoes in 5-pound bags for $2.29. Which of the following bags of potatoes would be the same price per pound? *
stira [4]

Answer: 10-pound bag for $4.58

Step-by-step explanation:

A store sells potatoes in 5-pound bags for $2.29. To get the amount for a pound bag of potatoe, we divide $2.29 by 5. This will give:

$2.29 / 5 = $0.458

To get the amount equivalent goes thus:

For a 20-pound bag for $8.80, a pound will cost:

$8.80/20 = $0.44

For a 2-pound bag for $1.02, a pound bag will be:

$1.02/2 = $0.51

For a 10-pound bag for $4.58, a pound bag will cost:

$4.58/10 = $0.458

For a 7-pound bag for $3.01, a pound bag will cost:

$3.01/7 = $0.43

From the figures calculated, a 10-pound bag for $4.58 is the same as the amount calculated.

8 0
3 years ago
The ratio of boys to girls in a group is 2:1. If there are 18 more boys than girls, work out how many girls there are.
rusak2 [61]
Hey there! I’m happy to help!

Let’s use the variable g to represent the girls. This ratio shows that there are twice as many boys as girls (boys=2g)We also see that there are 18 more boys that girls. Let’s set up an equation

g+18=2g
We subtract 18 from both sides
g=2g-18
We subtract 2g from both sides.
-g=-18
We divide both sides by -1
g=18

Therefore, there are eighteen girls.

I hope that this helps! Have a wonderful day!
4 0
3 years ago
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