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Alona [7]
3 years ago
13

Solve x^2 – 10x = -21

Mathematics
1 answer:
emmasim [6.3K]3 years ago
8 0

Answer:

Step-by-step explanation: x^2-10x+21=0

(x-7)(x-3)

x = 3,7

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Find the length of the line segment shown below.
Marina86 [1]

Answer:

The end points of line segment are:

(x_1,y_1) = (5,4)\\(x_2,y_2)  = (-4,-3)

Using distance formula,

Distance = \sqrt{(x_2-x_1)^{2}+(y_2-y_1)^{2}} = \sqrt{(-4-5)^{2}+(-3-4)^{2}} = \sqrt{(-9)^{2}+(-7)^{2}} = \sqrt{81+49}=\sqrt{130} units

3 0
3 years ago
A scale for a drawing is 5 centimeters= 1 meter. What is the scale in terms of centimeter to centimeters
umka2103 [35]

The scale in cm to cm is:

1 cm = 20 cm

Step-by-step explanation:

Scales are used to draw maps and blueprints of large objects on paper.

Given scale is:

5 centimeters = 1 meter

WE have to find the centimeter to centimeter scale. In order to do so, we have to convert the meters into centimeters

As there are 100 centimeters in a meter

So,

the scale will be:

5 cm = 100 cm

Simplifying:

The scale in cm to cm is:

1 cm = 20 cm

Keywords: Scale, factors

Learn more about scales at:

  • brainly.com/question/8806598
  • brainly.com/question/8955867

#LearnwithBrainly

3 0
3 years ago
Mohsin purchased a 30 ounce bag of dried Turkish figs for $11.40. What is the cost per pound?
valentinak56 [21]

Answer:

$6.08 per pound

Explanation:

30 ounce ⇒ $11.40

conversions:

  • 16 ounce ⇔ 1 pound
  • 1 ounce ⇔ 0.0625 pound

solve:

  • 0.0625(30) pound ⇒ $11.40
  • 1.875 pound ⇒ $11.40
  • 1 pound ⇒ $6.08
8 0
2 years ago
Read 2 more answers
Evaluate (m4 + 5) – n<br> (m+ + 5) – n3 if m = -2 and n = -4.
Y_Kistochka [10]

Answer:

69

Step-by-step explanation:

7 0
3 years ago
Find the value of x in the triangle shown below.<br> 4<br> 5<br> Choose 1 answer
nikitadnepr [17]

Answer:

x=3

Step-by-step explanation:

using the pythagorean theorem, c^2=a^2+b^2

5^2=x^2+4^2, x=3

4 0
3 years ago
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