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nordsb [41]
3 years ago
13

What is the perimeter of a square with a side length of 5/7 units?

Mathematics
2 answers:
Elza [17]3 years ago
7 0

Answer:

Step-by-step explanation:

4x where x = 5/7

=4 * 5/7

= 20/7

= 14/7 + 6/7

= 2   6/7

Lubov Fominskaja [6]3 years ago
6 0

Answer:

20/7

Step-by-step explanation:

Because the denominator stays the same so u just times the top number by 4 because there's 4 sides 5x4=20

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Da<br> A<br> Solve the equation 2x^2+3=0
Anika [276]

Answer:

x = ±i(√6 / 2)

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Equality Properties

<u>Algebra I</u>

  • Solving quadratics

<u>Algebra II</u>

Imaginary root i

  • √-1 = i

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

2x² + 3 = 0

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Subtraction Property of Equality] Subtract 3 on both sides:                        2x² = -3
  2. [Division Property of Equality] Divide 2 on both sides:                                  x² = -3/2
  3. [Equality Property] Square root both sides:                                                    x = ±√(-3/2)
  4. Simplify:                                                                                                             x = ±i(√6 / 2)
4 0
3 years ago
B = 54°, b=15, c=<br> c = ? (Round answers to<br> the nearest hundredth.)
zaharov [31]

Answer:

18.54

Step-by-step explanation:

sine is opposite/hypotenuse, and you have opposite (b=15), so use that

sin(54) = 15/c

c = 15/sin54

then use calculator

c = 18.54

8 0
2 years ago
A watermelon that weighs 9 pounds costs $4.50.<br> What is the price per pound?
allsm [11]

Answer:

0.5 cents per pound.

4.50/9 = 0.5

Please mark me brainliest! I hope this helps!

7 0
2 years ago
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Victoria ran 3/4 a mile in 1/3 of an hour. If she continues at this rate, How far will she run in 1 hour
weqwewe [10]

Answer:

2 ¼ miles

Step-by-step explanation:

we can use a ratio

miles:hrs

¾:⅓

x3 x3

9/4:1

2¼:1

3 0
3 years ago
What is the answer for. 2&amp;1/2-1&amp;1/2
kirza4 [7]
2 and 1/2 - 1 and 1/2
since both equations have 1/2, 1/2 - 1/2 automatically is 0
then youll need to subtract 1 from 2 which is 1
Answer- 1
3 0
2 years ago
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