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ozzi
3 years ago
13

10 points pls answer!!!!

Mathematics
1 answer:
lutik1710 [3]3 years ago
7 0

Answer:

add them togethr then subract the diffrece to get x

Step-by-step explanation:

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John Paul gave the cashier $60 to pay for 8 bags of potatoes. The cashier gave him $24.32 in change. What is the cost in dollars
astraxan [27]

Answer:

$4.46

Step-by-step explanation:

$60- 24.32= $35.68

So $35.68=8 bags of potatoes.

Then ÷8 to find 1 bag.

$35.68 ÷8 = $4.46

$4.46=1 BAG

3 0
3 years ago
choose all properties that were used to simplify the following problem: step 1 2/7 • 53 • 7/2 step 2 53 • 2/7 • 7/2step 3 53 • 1
den301095 [7]
Step 2: commutative property of multiplication
Step 3: multiplicative inverse
Step 4: multiplicative identity
5 0
4 years ago
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tomas wrote an equation 4/5x-8=. Finish the equation so that the equation will have no solution. Explain how you know.
Pepsi [2]

Answer:

Right part: \dfrac{4}{5}x+a, where a\neq -8.

Step-by-step explanation:

Linear equation have no solution if it is impossible for the equation to be true no matter what value we assign to the variable x.

The left part of the equation Tomas wrote is

\dfrac{4}{5}x-8.

The right part of the equation should be of the form

\dfrac{4}{5}x+a,

where a\neq -8.

In this case, the equation will take look

\dfrac{4}{5}x-8=\dfrac{4}{5}x+a,\\ \\-8=a.

Since a\neq -8, this equality is always false.

Remark: 1) If a=8, the equation \dfrac{4}{5}x-8=\dfrac{4}{5}x+a is equivalent to the equation

\dfrac{4}{5}x-8=\dfrac{4}{5}x-8,\\ \\0=0

and the lest equation has infinitely many solutions.

2) When coefficient at x differs from \dfrac{4}{5}, the equation has unique solution.

6 0
3 years ago
Solve the system of linear equations by substitution x-y=-4 2x+y=4
mylen [45]

Answer:

Given:

x-y=-4

2x+y=4

Step-by-step explanation:

x-y=-4

2x+y=4

add both the equation, we get

⇒  x-y=-4

  2x+y=4

⇒3x=-4+4

⇒3x=0

⇒x=0

∴ to find the value of y, put the value of x in any one equation

⇒x-y=-4

⇒0-y=-4

⇒-y=-4

⇒y=4

∴ x=0, y=4

3 0
3 years ago
Find the solutions to 6x2 - 54x = 0
aalyn [17]

Answer:

14+28

Step-by-step explanation:

5 0
3 years ago
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