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Serhud [2]
3 years ago
13

Barbara ordered a set of beads. Of the beads she received, 12 were red and 28 were a different color. What percentage of the bea

ds were red?
Mathematics
2 answers:
AURORKA [14]3 years ago
7 0
Answer393

Theory cause I need points
Vlad1618 [11]3 years ago
4 0

Answer:

the answer is 3.36 please mark brainliest

Step-by-step explanation:

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I'm not really understanding how to set this up​
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Answer: x = 21; y = 29.5

because 2y° and 59° are 2 opposing angles ⇒ 2y° = 59° ⇔ y = 29.5°

we also have: (3x - 4)° = 59° ( because of 2 parallel lines)

⇔ 3x = 59 + 4 = 63

⇔ x = 63/3 = 21

Step-by-step explanation:

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30( 4p + 6c+ 12p + 40)<br><br> What property can be used to simplify the expressions
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Distributive Property
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If a person makes $5.00 in 10 minutes, how much can she make in1.5 hours?
Anton [14]

Answer:

$45

Step-by-step explanation:

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3 years ago
Which is a correct expansion of (2x+3)(2x^{2} -5)?
Travka [436]

Answer:

4x^{3} + 6x^{2} -10x -15

Step-by-step explanation:

(2x+3)(2x^{2} -5)

2x × 2x^{2} + 2x× (-5) + 3× 2x^{2} + 3 ×(-5)

=4x^{3} -10x + 6x^{2} -15

= 4x^{3} + 6x^{2} -10x -15

7 0
4 years ago
Which of the following is the slope intercept form of the equation of this line
love history [14]

Answer:

The slope-intercept form of the equation of this line is:

y=-x

Hence, option 'c' is true.

Step-by-step explanation:

From the line equation, let us take two points

  • (1, -1)
  • (-1, 1)

Finding the slope between two points

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(1,\:-1\right),\:\left(x_2,\:y_2\right)=\left(-1,\:1\right)

m=\frac{1-\left(-1\right)}{-1-1}

m=-1

From the line graph, we can determine the y-intercept by setting x=0 and checking the y-value at x=0

at x=0, y=0

Thus, (0, 0) is the y-intercept

We know that the slope-intercept form of the line equation is

y=mx+b

where

  • m=slope
  • b=y-intercept

As we have already determined m=-1 and y-intercept=b=0

so substituting m=-1, b=0 in the slope-intercept form of the line equation

y=mx+b

y=(-1)x+0

y=-x

Thus, the slope-intercept form of the equation of this line is:

y=-x

Hence, option 'c' is true.

3 0
3 years ago
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