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xxTIMURxx [149]
2 years ago
9

Solve the system below for x: (2 pts)

Mathematics
2 answers:
Troyanec [42]2 years ago
8 0
X=-5
Step by step explanation
6x+4 =5x-1
X+4=-1
X=-5
saw5 [17]2 years ago
3 0

Answer:

x=-5

Step-by-step explanation:

6x+4=5x-1

x+4=-1

x=-5

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A 16-fl oz bottle of juice costs $2.00. What is the unit cost?
frozen [14]
If a 16-fluid-ounce bottle of juice costs $2.00, the unit cost would be about $0.13 per ounce. 16/2=8, 1/8=0.125, 0.125=> $0.13.
7 0
3 years ago
Jake ate 55% of a cake. What fraction of the cake did he eat?
7nadin3 [17]

Answer:

11/20

Step-by-step explanation:

To be able to find the fraction of the cake that Jake ate if you know that he ate 55% of it, you have to turn the 55% into a fraction. To do this, first you have to divide the percent by 100:

55/100

Then, you have to simplify the fraction. In this case, you can do it by dividing by 5:

11/20

According to this, the fraction of the cake that Jake ate is 11/20.

8 0
3 years ago
Kelly has 4 dimes and some nickels. The value of her coins is 2.25 how many
Semmy [17]
4 dimes=4 *10=40 cents

2.25-0.40=1.85


1.85=0.05 times number of nickles
times 100 both sides
185=5 times number of nickels
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37=number of nickles

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8 0
3 years ago
You want $5000 4 years from nowfor a down payment for a car. How much money must be deposited monetly into an account earning 4.
timama [110]

Answer:

$95.5090 must be deposited monthly

Step-by-step explanation:

From the information given:

The annual interest rate (r) = 4.2% = 0.042

Let assume that an amount Y is deposited, then after one month, it will increase to:

Y ( 1+ \dfrac{0.042}{12})

The total amount after 4 years will be:

= Y ( 1+ \dfrac{0.042}{12})^{48}+Y ( 1+ \dfrac{0.042}{12})^{47} +Y ( 1+ \dfrac{0.042}{12})^{46} +...+ Y ( 1+ \dfrac{0.042}{12})

= Y ( 1.0035)^{48}+Y ( 1.0035)^{47} +Y( 1.0035)^{46} +...+ Y( 1.0035)

Using the sum of a geometric progression:

= Y (1.0035) \dfrac{ (1.0035^{48}-1)}{(1.0035-1)}

= Y (1.0035) \dfrac{ (1.0035^{48}-1)}{0.0035}

The above amount is then equal to $5000

i.e

= Y (1.0035) \dfrac{ (1.0035^{48}-1)}{0.0035} = 5000

Y =  \dfrac{5000\times 0.0035}{(1.0035)(1.0035^{48}-1)} \\ \\  \mathbf{Y = \$95.5090}

8 0
3 years ago
Please answer <br><br> Select the correct answer.<br> What is the domain of function ?
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Answer:

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7 0
3 years ago
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