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KonstantinChe [14]
2 years ago
14

Someone please help. i’ve been staring at this for 20 minutes and i’m so confused.

Mathematics
1 answer:
lorasvet [3.4K]2 years ago
8 0

Answer:

ummm sry im not sureee

Step-by-step explanation:

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Help me pleasee this is to confusing.
AVprozaik [17]

Answer:

What's confusing ??? You literally just put a dot on the number line

Example:

1.3, move 3 units to the right of 1 and place a dot there

5 0
2 years ago
HELP FAST PLS!What value of x makes the equation true? 36/63 = x/7<br> A. 2 B. 3 C. 4 D. 6
taurus [48]
The answer is 4.

36/63 = 0.57
4/7 = 0.57
6 0
3 years ago
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Put the following equation in standard form and determine the quadratic, linear, and constant coefficients. -3x2 - 8 = 5x - 7
marusya05 [52]

Answer:

  • -3x² -5x -1 = 0
  • -3 (quadratic)
  • -5 (linear)
  • -1 (constant)

Step-by-step explanation:

The equation will be in standard form when terms are listed in order of decreasing degree, and the right side of the equation is 0.

<h3>Standard form</h3>

We can subtract the right-side expression from both sides to get standard form.

  -3x² -8 -(5x -7) = 5x -7 -(5x -7)

  -3x² -8 -5x +7 = 0 . . . . . . . simplify a bit

  -3x² -5x -1 = 0 . . . . . . . . . collect terms

The standard form equation can be written ...

  -3x² -5x -1 = 0

<h3>Coefficients</h3>

The quadratic coefficient is the coefficient of the term with degree 2. The quadratic coefficient is -3.

The linear coefficient is the coefficient of the term with degree 1. The linear coefficient is -5.

The constant coefficient is the coefficient of the term with no variables. The constant is -1.

__

<em>Additional comment</em>

We can make the leading coefficient positive by multiplying the equation by -1. This gives ...

  3x² +5x +1 = 0

with quadratic, linear, and constant coefficients 3, 5, 1.

This is a legitimate answer to this question. In the case of linear equations, the "standard form" has the constant on the right side of the equal sign, and the leading coefficient is required to be positive. A negative leading coefficient can sometimes lead to errors (when the sign is overlooked), so having a positive leading coefficient is often preferred.

8 0
2 years ago
An author is having a book signing at a store. He agrees to give 5% of his profit to literacy programs and 15% of his profit to
quester [9]

Answer:

160

Step-by-step explanation:

15% + 5% = 20%

80%=0.8

200x0.8=160

6 0
2 years ago
Find the discriminant of 3^2-10x=-2
STALIN [3.7K]

Answer:

3/11

Step-by-step explanation:

4 0
3 years ago
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