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UNO [17]
2 years ago
11

Can someone pls help me with this

Mathematics
2 answers:
muminat2 years ago
5 0

Answer:

C f=9

Step-by-step explanation:

isolate f on one side so you subtract 5 from both sides to get 3f=27 and then divide by 3 on each side to get f=9

morpeh [17]2 years ago
5 0

Answer:

The value of F is 9

Step-by-step explanation:

3f+5=32

3f=32-5

3f=27

f=27/3

f=9

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9 * 9 ^ 2 x + 3 equal 27 * 3 ^ x - 2​
Amiraneli [1.4K]

3^2*3^2 (2x+3)=3^2+4x+6=3^4x+8

3^3*3^x-2=3^x+1

4x+8=x+1

3x=-7

x=-7/3

6 0
3 years ago
Solve y=3bx-7x for x
irina [24]
Y = 3bx - 7x
y = x(3b - 7)

Divide each side by 3b - 7 (assume that it is not zero).
\frac{y}{3b-7} =x

Answer:
x= \frac{y}{3b-7}
6 0
3 years ago
At a carnival, 700 tickets were sold for a total
Diano4ka-milaya [45]

Answer:

The adult tickets are <u>400</u> and the children tickets are <u>300</u>.

Step-by-step explanation:

Given:

At a carnival, 700 tickets were sold for a total  amount of $5500. An adult ticket cost $10   and a children's ticket cost $5.

Now, to find the  number of adult tickets and the number of  children's tickets sold.

<em>Let the number of adult tickets be </em>x.<em />

<em>And let the number of children tickets be </em>y.<em />

So, the total number of tickets sold:

x+y=700\\\\y=700-x\ \ \ ....(1)

Now, the total amount of tickets:

x(10)+y(5)=5500

Substituting the value of y from equation (1):

x(10)+(700-x)(5)=5500\\\\10x+3500-5x=5500\\\\5x+3500=5500

<em>Subtracting both sides by 3500 we get:</em>

<em />5x=2000<em />

<em>Dividing boths sides by 5 we get:</em>

x=400.<u />

<u>The number of adult tickets = 400.</u>

Now, substituting the value of x in equation (1) we get:

y=700-x\\\\y=700-400\\\\y=300.

<u>The number of children tickets = 300.</u>

Therefore, the adult tickets are 400 and the children tickets are 300.

8 0
3 years ago
The scale of a model train is 1 inch to 13.5 feet. One of the cars of the model trial is 5 inches long. What is the length, in f
garik1379 [7]
If 1 inch is 13.5 feet, then 5 inches = (13.5 * 5) = 67.5 ft
8 0
3 years ago
Read 2 more answers
The table shows the proportional relationship between the time in hours (h) Sara babysits and the amount in dollars (a) Sara ear
USPshnik [31]

Answer:

C

Step-by-step explanation:

The table shows that Sara earns 4 dollars per hour. The equation shows that Abbey earns 5 dollars per hour.

I hope that helps. If there are any questions left, just comment:)

Please mark me brainliest (it gets you 10 points back btw)

3 0
3 years ago
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