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Arlecino [84]
3 years ago
15

9- (-4) = 14 -9 = (-4) - (-5) = -7 - 9 =

Mathematics
1 answer:
AlekseyPX3 years ago
3 0

Answer:

Step-by-step explanation:

9 + 4 = 13 Two minus' make a plus

14-9 = 5     this is just subtraction

-4 + 5 = 1   two minus's make a plus.

-7-9 = -16

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(-4,5) and y= 2x+4<br><br><br> Need help
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Answer:

y=2x+4

Step-by-step explanation:

y=0

0=2x+4

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What fraction is equivalent to 84/100?
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The length of a rectangle is 7cm longer than its width. Find the dimensions of the rectangle that make the area of the rectangle
Novosadov [1.4K]

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4 0
3 years ago
1. Match the letter of the centre to the lines that define it.
denis-greek [22]

Answer:

A. (Orthocenter) → Altitude

B. (Incenter) → Angle bisector

C. (Centroid) → Median

D. (Circumcenter) → Perpendicular bisector

Step-by-step explanation:

A. The orthocenter is the point of concurrency of the three altitudes of a triangle, therefore, the matching line with the letter <em>A</em> is <em>altitude</em>

B. The incenter is the point of concurrency of the bisectors of three interior angles of a triangle, therefore, the matching line with the letter <em>B</em> is <em>angle bisector</em>

C. The centroid is the point of concurrency of the three medians of the triangle, therefore, the matching line to the letter <em>C</em> is <em>median</em>

D. The circumcenter is the point of concurrency of the three perpendicular bisectors of the three sides of a triangle, therefore, the matching line to the letter <em>D</em> (which corresponds with the circumcenter) is <em>perpendicular bisector.</em>

3 0
3 years ago
10.
Rzqust [24]

Answer:

C. d(t) = 2.37t; 14.22 ft

Step-by-step explanation:

2.37 per minute is multiplication so A and B are definitely wrong

Another way to check is 2.37*6=14.22 so the answer is C

3 0
3 years ago
Read 2 more answers
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