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Semmy [17]
3 years ago
13

Can someone help me please

Mathematics
2 answers:
snow_tiger [21]3 years ago
6 0

Answer:

Here you go

Step-by-step explanation:

BTW what is meant by point in the last blank?

Lina20 [59]3 years ago
6 0

Answer:

equation y = 3x-1

slope = 3

about the point blank I'm not sure what it is asking for

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Change 725 percent to a mixed number
kvv77 [185]
The answer to your question is 7 25/100 or simplified to 7 1/4 because percent means out of 100 and if there is 700 then there is 7 wholes thn you have 25/100 or 1/4
7 0
3 years ago
The house blueprint shows the bedroom is 4 in wide and its actual length is 12 yards wide. What is the scale for the blueprint?
malfutka [58]

Answer:

Step-by-step explanation:

The house blueprint shows the bedroom is 4 in wide and its actual length is 12 yards wide. This means that every 1 inch on the blue print represents 3 yards on the actual building. The scale is the ratio of the length of a side on the blueprint to the length of a corresponding side on the actual. Therefore, the scale for the blueprint is 3: 1

Therefore, the scale factor is 3

3 0
3 years ago
A recipe calls for 1 3/4 cups of bread flour and 1 2/3 cups of whole wheat flour. what is the total amount of flour used in the
Ivahew [28]

1 \frac{3}{4}  = 1.75 \\ 1 \frac{2}{3}  = 1.66
so
1.75 + 1.66 = 3.41 \\ 3.41 = 3 \frac{5}{12}
6 0
3 years ago
Describe how both the Rational Root Theorem and Descartes’ Rules of Signs help you to find the zeros of a polynomial? Give me an
MrRa [10]

Answer:

Step-by-step explanation:

Rational Root Theorem: If the polynomial

P(x) = a n x n + a n – 1 x n – 1 + ... + a 2 x 2 + a 1 x + a 0

has any rational roots, then they must be of the form of (factors of a0/factors of an).

Example: F(x) = 4x² + 5x +2

If this polynomial has any rational roots, then they must be (factors of 2)/(factors of 4), so (±1, ±2)/(±1, ±2, ±4). So if this polynomial has any rational roots, they must be either: ±1, ±1/2, ±1/4, or ±2. Notice that this polynomial doesn't have to have any rational roots, but if it does, then the roots must fit the Rational Root Theorem.

Descartes' Rules of Signs:

a). In a polynomial, how many time the sign changes is how many positive roots the polynomial will have.

Example: 5x³ + 6x² - 2x - 1

In this expression, the sign only changed once, between 6x² and 2x, so it will only have one positive root.

Example 2: 6x³ - 4x² + x - 6

In this expression, the sign changed 3 times (remember there is a invisible "+" sign before the 6x³), so it will have 3 positive roots.

b). In a polynomial, if you plug in "-x" for all "x", then how many times the new polynomial changes sign is how many negative roots the old polynomial have.

Example: 5x³ + 6x² - 2x - 1.

If we plug in "-x" for all "x", then we get 5(-x)³ + 6(-x)² - 2(-x) -1, which simplifies to -5x³ + 6x² + 2x -1. In this new expression, the sign changed twice, so we have two negative roots for the expression. Notice how we got one positive root the first time and two negative roots the second time, and 1 + 2 = 3. The Fundamental Theorem of Algebra states that for a nth degree polynomial, it will have n complex roots. The polynomial we worked with was a 3rd degree polynomial, and we got 1 + 2 = 3 roots in the end.

4 0
3 years ago
The weekend Jerome earned 252.50 in all.what was the dollar amount of the meals that Jerome served? Jerome served worth meals
kobusy [5.1K]

Answer:

im sorry but i need points

Step-by-step explanation:

3 0
2 years ago
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