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galina1969 [7]
3 years ago
8

What is the mistake? 3a+4b=7ab

Mathematics
2 answers:
MrRa [10]3 years ago
6 0

Answer:

You cannot add like terms like that.

Step-by-step explanation:

The terms are supposed to be added together, by combining them like that you are multiplying them together.

romanna [79]3 years ago
4 0
7ab because you put it in the wrong orders
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Can you please help me with question three
horrorfan [7]

Answer:

$34.30

Step-by-step explanation:

He pays 7 percent to health insurance.

7 percent of 490 is 34.30. (490 x 0.07)

ALSO: question 1 answer is actually $298.90

5 0
2 years ago
Center: (10,-10)
vova2212 [387]

This is the standard form equation \frac{(x - 10)^2}{100} + \frac{(y + 10)^2}{-100} = 1

What is the ellipse?

The equation for an ellipse is typically written as x² a²  + y² b² = 1. x²  a² + y² b²  = 1. An ellipse with its origin at the center is defined by this equation. The ellipse is stretched further in both the horizontal and vertical directions if a > b, a > b, and if b > a, b > a, respectively.

The standard form of the equation of an ellipse with center (h, k)and major axis parallel to the x-axis is:

\frac{(x - h)^2}{a^2} + \frac{(y - k)^2}{b^2} = 1

where,

a > b

the length of the major axis is 2a

the coordinates of the vertices are (h±a,k)

the length of the minor axis is 2b

the coordinates of the co-vertices are (h,k±b)

the coordinates of the foci are (h±c,k),

where c² = a² − b².

so,

\frac{(x - 10)^2}{100} + \frac{(y + 10)^2}{-100} = 1

Hence, this is the standard form equation \frac{(x - 10)^2}{100} + \frac{(y + 10)^2}{-100} = 1.

To learn more about ellipse, visit

brainly.com/question/16904744

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7 0
1 year ago
Use distributive property to solve the equation 5( 2x +4) =30<br> A. x-2<br> B. x=1<br> c. =10
jeyben [28]

Answer:

B

Step-by-step explanation:

5(2x+4)=30

10x+20=30

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x=1

4 0
3 years ago
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m_a_m_a [10]
It is the second answer:

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Reduce 8x²/y -2 to the same denominator:

8x²/y - 2y/y = (8x² - 2y)/y

8 0
3 years ago
Show any shape that has symmetry
Nostrana [21]
A heart, square, triangle, rectangle, diamond, basically most shapes...
5 0
4 years ago
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