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baherus [9]
3 years ago
9

How many solutions does the equation 10-3x+10x-7=5x-5+2x+8 have?

Mathematics
2 answers:
Ierofanga [76]3 years ago
8 0
It is all real numbers if that helps
Montano1993 [528]3 years ago
6 0
Infinitely many solutions
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For her parents' anniversary party, Ellie is considering using one of two venues. A hotel in
kompoz [17]

The hotel is $250 plus $25 per person so the equation would be

y= 25x + 250

(Y is the total cost and x is the number of people)

the restaurant is $100 plus $40 per person so the equation would be

y = 40x + 100

What we want to know is which x value would make the y values equal to each other. So you can just replace the "y" in one equation with the other equation:

25x + 250 = 40x + 100

and then solve...

1. subtract 100 from both sides

    25x + 150 = 40x

2. subtract 25x from both sides

    150 = 15 x

3. divide both sides by 15

    10 = x

you can check by plugging 10 into the original equations

25(10) + 250

250 + 250 = 500

and

40(10) + 100

400 + 100 = 500

they both cost $500 when you invite 10 people

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3 years ago
She learns that the fabric she wants to use is $7.99 per yard. Find the total cost of 4 yards of fabric. Justify your answer by
sattari [20]

Answer:

$31.96

Step-by-step explanation: multiply without the decimal, the put it in once multiplied

799 * 4 = 3196

then put in the decimal... 31.96

8 0
3 years ago
The average number of stars in a galaxy is about 5x10^11 and the total number of galaxies is about 5.2x10^9. what is the total n
Arisa [49]

Answer:

2.6 x 10^21

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the  10   If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

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Rotational symmetry is the quality a design has if it maintains all characteristics when it is rotated about an axis lying in it
mrs_skeptik [129]
Answer – TrueA design is said to have Rotational symmetry if all its characteristics remain the same after it has been rotated about an axis lying in its plane. In other words, rotational symmetry is the quality possessed by a shape has when it looks the same after it has undergone some rotation by a partial turn about an axis lying in its plane. Rotational symmetry is also referred to as radial symmetry.

5 0
3 years ago
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Brainliest Giveaway!! Also gives all of my points.!!
Tpy6a [65]

Answer:

wf

axStep-by-step explanation:

7 0
3 years ago
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