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n200080 [17]
3 years ago
7

Solve for all values of x by factoring. X^2-x+1=3

Mathematics
2 answers:
balandron [24]3 years ago
7 0

Answer:

x = 2, x = -1

Step-by-step explanation:

AlladinOne [14]3 years ago
3 0

Answer:

x = 2, -1

Step-by-step explanation:

x² - x + 1 = 3

         - 3  -3

x² - x - 2 = 0

(x -2)(x + 1)

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Madison is starting her own sewing business. Madison thinks she will do a better job than her competitors, so she thinks she can
GREYUIT [131]

Answer:

<h2>$2479.5</h2>

Step-by-step explanation:

In this problem we will estimate her monthly earnings

given that she earns $13.05 per hour

and also given that she works for 190 hours in a month

then in a month, her earnings will be

=$13.05*190

=$2479.5

alternatively,

per week she works 47.5hours

in a week she will earn 13.05*47.7= $622.485

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8 0
3 years ago
Factor 23 + 2z2 - 9z - 18.
Alisiya [41]

2z2-9z+5

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8 0
3 years ago
Read 2 more answers
The equation C = 20n + 35 represents the relationship between the cost of school volleyball uniforms, C, in dollars, and the num
Margaret [11]

The equation represent a linear relation with the y-intercept

representing the amount of initial fee.

Correct response:

1. 28 volleyball uniforms

2. Price per uniform

3. Initial flat order fee

4. 10 fewer volleyball uniform

<h3>Methods used for finding the above values</h3>

The given equation that represents the relationship between the cost of school volleyball uniform is; C = 20·n + 35

Where;

C = The uniform costs

n = The number of volleyball uniform ordered

The maximum amount the school has to spend = $600

1. The number of uniforms the school can buy is given by setting C = 600 as follows;

  • C = 20·n + 35

Therefore;

600 = 20·n + 35

20·n = 600 - 35 = 565

n = \dfrac{565}{20} = \mathbf{28.25}

Rounding down to the nearest whole number, we have;

  • The number of uniforms the school can buy, n = <u>28 volleyball uniforms</u>.

2. The number 20 represent the additional cost for each extra uniform, which is the unit cost therefore;

  • 20 represents a <u>$20 price per uniform</u>.

3. The 35 in the equation represents an initial <u>flat fee</u>, such as an

ordering or initial fee, which is fixed.

Therefore;

  • The number 35 represent the <u>fixed cost </u>for producing the uniforms

4. The price per uniform of $30 changes the coefficient of <em>n</em> from 20 to 30 as follows;

C = 30·n + 35

The number of uniforms the school can by with $600 is therefore;

n = \dfrac{600 - 35}{30} = \mathbf{18.8 \overline 3}

Which gives;

The number of uniforms the school can purchase at $30 per uniform is n = 18 volleyball uniforms

The difference in the number of uniforms purchased = 28 - 18 = 10

Therefore;

  • The school can purchase <u>10 fewer uniforms</u> at $30 per uniform

Learn more about linear equations here:

brainly.com/question/10452752

4 0
2 years ago
Select the procedure that can be used to show the converse of the Pythagorean theorem using side lengths chosen from 3 feet, 4 f
aksik [14]

Using Pythagoras theorem,  we know that 3² + 4² = 5², draw the 3-foot side and the 4-foot side with a right angle between them. The 5-foot side will fit to form a right triangle

<h3>How to use Pythagoras theorem to prove a right triangle?</h3>

The Pythagoras theorem states that the sum of two squares equals the squared of the longest side.

Therefore,

c²= a²+ b²

where

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Therefore,

3² + 4² = 5²

Hence,

Knowing that 3² + 4² = 5², draw the 3-foot side and the 4-foot side with a right angle between them. The 5-foot side will fit to form a right triangle

learn more on Pythagoras's theorem here: brainly.com/question/20462170

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4 0
2 years ago
A clothing store sold three times as many shirts as pants. The difference in the sales was 800. How many of each were sold?
Salsk061 [2.6K]

Answer:

1200 shirts were sold.

400 pants were sold.

Step-by-step explanation:

The ratio of shirts to pants sold = 3:1 (difference of 2)

800 ÷ 2 = 400

Ratio x 400 = 1200:400 (difference of 800)

4 0
3 years ago
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