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Neko [114]
2 years ago
7

Simplify (4.5)(5)(−2). (1 point) a 45 b 4.5 c −4.5 d −45

Mathematics
1 answer:
loris [4]2 years ago
8 0

Answer:

D cause it equals -45

Step-by-step explanation:

You might be interested in
Find the surface area of this triangular prism. Be sure to include the correct unit in your answer.
Vladimir [108]

Answer:

270 yds squared    

Step-by-step explanation:

You need to area of each of the shapes that make up the triangular prism. So, the side triangles, the back rectangle, the bottom rectangle and the top rectangle.

Side triangle (1x): base*height/2

12*5/2

60/2

30 yds, 60 yds for both sides.

Back rectangle: length*width

5*7

35 yds

Bottom Rectangle: length*width

7*12

84 yds

Top rectangle: length*width

7*13

91 yds.

To get the final answer, you add the surface areas together to get the final amount of yards: 30+30+35+84+91= 270 yds squared. Hope this helps.

5 0
2 years ago
The circumference of a circle is 60 cm. What is the diameter
Mariana [72]
<h2>d ≈ 19.1 cm</h2>

<em>Using the formulas</em>

<em>C = 2πr</em>

<em>d = 2r</em>

<em>Solving for 'd' (diameter)</em>

<em>d = C</em>

<em>π = 60</em>

<em>π ≈ 19.09859cm</em>

<em />

7 0
2 years ago
Identify the mixed number for the picture shown. A. 2 1⁄4 B. 11⁄2 C. 2 1⁄2 D. 3
snow_lady [41]

Answer:

A and C are mixed numbers

Step-by-step explanation:

  • A mixed number is a whole number with a fraction.
  • Correct Example: three and three-fourths is a mixed number.
  • Incorrect Example: Three is not a mixed number.
4 0
3 years ago
Read 2 more answers
Please help need this answer
I am Lyosha [343]

A function is a relation for which each value from the set the first components of the ordered pairs is associated with exactly one value from the set of second components of the ordered pair.

(2, 0), (-3, 3), (9, 1), (-3, 5)  NOT

(9, 1), (-3, 4), (2, 1), (9, 2)     NOT

(2, 4), (-3, 2), (9, 1), (-7, 2)     YES

(2, 4), (-3, 6), (2, 3), (-7, 2)     NOT

8 0
3 years ago
The number 59 is increased to 60. What is the percentage by which the number was increased, to the nearest tenth of a percent?
bearhunter [10]

Answer:

2%

Step-by-step explanation:

It increases one, so it increases 1/50, which is 0.02

2%

3 0
3 years ago
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