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Eduardwww [97]
3 years ago
8

Simplify the expression

Mathematics
2 answers:
mash [69]3 years ago
7 0
-x (6x - 7) = -6x^2 + 7x
Colt1911 [192]3 years ago
5 0
Im not sure but i think this it -x (6x - 7) = -6x^2 + 7x
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Find the value of of x sin(4x+30)°=cos(-2x+54)°
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Jonathan rode 1.05 miles on friday,1.5 on saturday,1.25 on monday,and 1.1 miles on tuesday.on which day did he ride the shortest
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1.05,
look at the numbers on the right side of the decimal point. The lowest number will be your answer
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3 years ago
There are 207 students in 9 classes at this rate how many are in 6 classes
soldi70 [24.7K]
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5 0
3 years ago
Read 2 more answers
Jan and Wayne went to the store to buy some groceries. Jan bought 2 cans of corn beef hash and 3 cans of creamed chipped beef fo
marin [14]
You can solve this by using the system of equations.
Jan - 4.95 = 2H + 3C
Wayne - 5.45 = 3H + 2C

Use elimination.
-3(2H + 3C = 4.95)
2(3H + 2C = 5.45)

Solve. And you'll get:
-6H + (-9C) = -14.85
6H + 4C = 10.9

Cross out -6H and 6H because they cancel out. And you're left with:
-9C = -14.85
4C = 10.9

Add -9C with 4C, and -14.85 with 10.9.
-5C = -3.95

Divide each side with -5.
C = $0.79

Now to figure out what H is, just substitute the C in one of the equations with 0.79.
5.45 = 3H + 2(0.79)
5.45 = 3H + 1.58
-1.58            -1.58
3.87 = 3H
3.87/3 = 3/3(H)
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Finished!
7 0
4 years ago
Read 2 more answers
A store owner uses a selling price of 125% of the cost of an item. If a pair of jeans has a sales price of $52.50, what cost doe
IgorC [24]

Answer:

The cost store owner pay for the pair of jeans is <u>$42</u>.

Step-by-step explanation:

Given:

A store owner uses a selling price of 125% of the cost of an item.

If a pair of jeans has a sales price of $52.50.

Now, to find the cost price of the store owner pay for the pair of jeans.

Let the cost price of jeans be x.

Sell price of jeans = \$52.50.

Now, to get the cost price of store owner pay for the pair of jeans:

<em>As given the</em><em> </em><em>store owner uses a selling price of 125% of the cost of an item.</em>

According to question:

125\%\ of\ x=52.50

\frac{125}{100} \times x=52.50

1.25x=52.50

<em>Dividing both sides by 1.25 we get:</em>

x=42.

<em>The cost price of jeans = $42.</em>

Therefore, the cost store owner pay for the pair of jeans is $42.

6 0
3 years ago
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