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Sergio039 [100]
3 years ago
15

What's 258/42?

Mathematics
1 answer:
Sedbober [7]3 years ago
6 0
6
84
91
395
All these are rounded to the nearest whole number
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Alejandra can husk 8 ears of corn in 24 minutes. At this rate, how many ears of corn can she husk in 33 minutes?
Alexeev081 [22]
24 / 8 = 3
she eats 1 every 3 minutes
so
33 / 3 = 11
ur right.

3 0
3 years ago
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Triangles LMN and NWR are right triangles. What is
Sever21 [200]

Answer:

NW = 15.6 cm

Step-by-step explanation:

If ΔLMN ~ ΔNWR then:

\sf LN : LM = RN : RW

\implies \sf \dfrac{LN}{LM}=\dfrac{RN}{RW}

\implies \sf \dfrac{10}{24}=\dfrac{6}{RW}

\implies \sf 10RW=6 \cdot 24

\implies \sf RW = 14.4\:cm

Find NW by using Pythagoras' Theorem:

a^2+b^2=c^2

(where a and b are the legs, and c is the hypotenuse, of a right triangle)

Given:

  • a = RN = 6 cm
  • b = RW = 14.4 cm
  • c = NW

Substituting the given values into the formula and solving for NW:

\implies \sf 6^2+14.4^2=NW^2

\implies \sf NW^2=243.36

\implies \sf NW=\sqrt{243.36}

\implies \sf NW=15.6\:cm

4 0
2 years ago
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Mr. Choe solved the inequality and his work is shown below. 3x+5≤−1 −5 −5 3x≤−6 ÷3 ÷3 x≥−2 Identify and explain Mr. Choe's error
Murljashka [212]

Answer:

x ≤ - 2

Step-by-step explanation:

Given the inequality :

3x+5≤−1

Subtract 5 from both sides

3x + 5 - 5 ≤ - 1 - 5

3x ≤ - 6

Divide both sides by 3

3x/3 ≤ - 6/3

x ≤ - 2

Mr.Choe's error was that he changed the inequality sign. The inequality sign in this case does not need to be changed.

3 0
3 years ago
A rectangular birthday present, 3 in. by 7 in. by 8 in., is covered by wrapping paper. How much wrapping paper is required
madam [21]
2 x (7 x 3) + 2 x (8 x 7) + 2 x (8 x 3)
4 0
3 years ago
Which equation is equivalent to 60% of 25? Select all that apply.
den301095 [7]

Answer:

Step-by-step explanation:

60% of 25 is equivalent to:

A. 0.6 * 25 = x

8 0
3 years ago
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