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Galina-37 [17]
2 years ago
13

Find the value of f (6)

Mathematics
1 answer:
Natali5045456 [20]2 years ago
5 0
Answer: 6f

Explanation: Move 6 to the left of F and remove the parentheses
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every evening jenna empties her pockets and puts her change in a jar. At the end of the week she counts her money. One week she
Darya [45]
Let Q= the number of quarters and D= the number of dimes.
Q+D= 40 coins
0.25Q+0.1D= $7.75
Rewrite equation 1 as: D = 40-Q and substitute into equation 2
0.25Q+0.1(40-Q)= 7.75 Simplify the left side
0.25Q+4-0.1Q= 7.75 Subtract 4 from both sides
0.25Q-0.1Q= 3.75 Convime like terms on left side
0.15Q= 7.75 Divide both sides by 0.15
Q=25 and D= 40-Q
D= 40-25 which is 15
So Jenna had 25 quarters and 15 dimes.
<span>To check multiply 25 x 25 and 15x10 which equals 625 and 150 this equals 775 so this is 7.75</span>
8 0
3 years ago
Y=3/5x-1 solve for x
Ne4ueva [31]

Answer:

y= 3/5x - 1

+1             +1

y+1 = 3/5x

((y+1)5) = 3x

divide by 3  both sides

x= (y+1)5 / (3)


hope that helps

Step-by-step explanation:


5 0
4 years ago
Read 2 more answers
What number produces a rational number when added to 0.25?
MrRissso [65]

Answer:

.625 to get .875

Step-by-step explanation:

what is a rational number

8 0
3 years ago
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Hector's service club is raising money by wrapping presents in the mall. The function f\left(x\right)=3xf(x)=3x describes the am
mestny [16]

Given:

The function f(x) describes the amount of money, in dollars, the club will earn for wrapping x presents.

f(x)=3x

To find:

The f(658).

Solution:

We have,

f(x)=3x

Substitute x=658 to find the value of f(658).

f(658)=3(658)

f(658)=1974

It means, the club will earn $1974 for wrapping 658 presents.

Therefore, f(658)=1974.

7 0
3 years ago
Target sells 24 bottles of water for $3, and 36 bottles of water for $4. Which is the better buy and by how much?
quester [9]
24 bottles @ $3 = 8 bottles per dollar
12.5 cents per bottle

36 bottles @ $4 = 9 bottles per dollar
11.1 cents per bottle
6 0
3 years ago
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