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Ulleksa [173]
2 years ago
3

Of the 60 students in the seventh grade, 70% own a pet. How many of the seventh grade students own a pet

Mathematics
2 answers:
Phoenix [80]2 years ago
3 0

70% of 60 students would be 42. So in this case, 42 students own good bois.


vredina [299]2 years ago
3 0

60 * 70%

60 * .7

42

Answer: 42 students own a pet

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The length of a rectangle is 20 units more than its width. The area of the rectangle is x4−100.
Mice21 [21]

Answer:

1. x^2-10 because the area expression can be rewritten as (x^2-10)(x^2+10)which equals (x^2-10)((x^2-10)+20).

Step-by-step explanation:

Area of the rectangle =(x^4-100)

x^4-100=(x^2)^2-10^2\\$Applying difference of two squares: a^2-b^2=(a-b)(a+b)\\(x^2)^2-10^2=(x^2-10)(x^2+10)

Since the length of a rectangle is 20 units more than its width.

Width: x^2-10\\Length=x^2+10=x^2-10+20

The correct option is therefore 1.

4 0
2 years ago
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Which of the following is the radical expression of a to the four ninths power?
iogann1982 [59]

Step-by-step explanation:

\sqrt[n]{a^m}=a^\frac{m}{n}\\\\\large\huge\boxed{a^\frac{4}{9}=\sqrt[9]{a^4}}

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2 years ago
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m∠3 is (3x + 4)° and m∠5 is (2x + 11)°. Angles 3 and 5 are . The equation can be used to solve for x. m∠5 = °
ratelena [41]

I just did this question!

Answers:

1) <em>same side interior angles</em>

2) (3x+4)+(2x+11) = 180

3) 77


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2 years ago
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Catherine has $54. She plans to spend more than $20 of the money for a painting canvas. The rest will go toward paints. Each tub
kakasveta [241]

Answer:

4. 54- 8.5x>20

Step-by-step explanation:

Catherine only has $54, so she cannot spend more than that.

The canvas will cost at least $20, but we don't know how much exactly.

The tubes cost $8.50 each.

So, she starts with a total budget of $54, out of which she will buy paints (8.5x) and she wants to have at least $20 left for canvas.

So, we transpose those facts into the inequity:

54 - 8.5x > 20

8 0
2 years ago
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Quadrilateral ABCD in the figure below represents a scaled-down model of a walkway around a historic site. Quadrilateral EFGH re
prisoha [69]

Answer:

<em>165ft</em>

Step-by-step explanation:

Ratio of actual walkway and a model is :

60  ( Ft ) : 15 ( in)  or : 15 : 1

EF = 60 Ft,

FG = 30 Ft,

GH = 30 Ft,

HE = 45 Ft.

60 + 30 + 30 + 45 = 165 Ft



8 0
2 years ago
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