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Arada [10]
3 years ago
8

4m-5t=-22 5m+6t=-3 Solve by Elimination

Mathematics
1 answer:
Gekata [30.6K]3 years ago
7 0
4m-5t=-22\\
5m+6t=-3\\\\
-20m+25t=110\\
20m+24t=-12\\
---------\\
49t=98\\
t=2\\\\
4m-5\cdot2=-22\\
4m-10=-22\\
4m=-12\\
m=-3
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The large rectangle below represents one whole.
Sonja [21]

Answer:

40%

Step-by-step explanation:

<h3>so have 5 rectangles in a whole.</h3><h3>we also have 2 shaded potions in that whole which represents 2/5 shaded potions.</h3>

<h3>2/5 in fraction =0.4</h3>

<h3>Now Change 0.4 to percentage by multiplying 0.4 by 100</h3>

<h3>0.4 x 100 = 40</h3><h3>Therefore the percentage represented by the shaded area is 40%</h3><h3> </h3><h3>Hope this helps.</h3><h3>Good luck ✅.</h3>
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2 years ago
Anyone want to help me out?
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5 0
3 years ago
George weighs 60 pounds less than his older brother. Together they weigh 240 pounds. How many pounds does George weigh?
lyudmila [28]

Easy Algebra question!

Let's use "x" as a variable.

The equation would be x+x+60 = 240 with "x" being George's weight.

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"x" is George's weight, so he weighs 90 pounds.

ANSWER: 90 POUNDS

7 0
3 years ago
What is the measure of arc bc?<br> A. 76<br> B. 40<br> C. 96<br> D. 58
Veseljchak [2.6K]

Answer:

  A.  76

Step-by-step explanation:

Angle A is half the difference between the measures of arc DE and BC.

  m∠A = (1/2)(DE -BC)

  20 = (1/2)(116 -BC) . . . . substitute the given values

  40 = 116 -BC . . . . . . . . multiply by 2

  BC = 116 -40 . . . . . . . . add BC -40

  BC = 76

_____

<em>Comment on intersecting secants</em>

When the secants intersect <em>inside</em> the circle, the angle where they cross is half the <em>sum</em> of the intercepted arcs. When they intersect <em>outside</em> the circle (as here), the angle where they meet is half the <em>difference</em> of the intercepted acs.

Sometimes it is easier to remember two related relationships than it is to remember just one of them.

4 0
3 years ago
Which is greater, 5 centimeters or 5 millimeters???
Cerrena [4.2K]
5 centimiters is greater because 10 milimeters make a centimeter
4 0
3 years ago
Read 2 more answers
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