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zepelin [54]
4 years ago
14

BLEM SOLVING

Mathematics
1 answer:
ki77a [65]4 years ago
8 0
The correct answer is 68
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Expand the following:<br> a) x(x - 6)<br> b) x(4x + 1)<br> c) 2x(5x + 4)<br> d) 3x(5x - y)
puteri [66]

Answer:

<h2>[a]=x²_6x</h2><h2>[b]=4x²+x</h2><h2>[c]=10x²+8x</h2><h2>[d]15x²_3xy</h2>

Step-by-step explanation:

5 0
3 years ago
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Could 1.5, 2.5, 3.5 and 6, 10, 12 be the corresponding sides of two similar triangles
boyakko [2]

Answer:

No

Step-by-step explanation:

If the ratios of the corresponding sides are equal then they would be the sides of 2 similar triangles.

Calculate the ratio of corresponding sides.

\frac{6}{1.5} = 4

\frac{10}{2.5} = 4

\frac{12}{3.5} ≠ 4

Thus the sides are not the corresponding sides of similar triangles.

4 0
3 years ago
Working as a team 8 mathletes can solve 20 problems in ten minutes. At this same rate how many mathletes are needed in order to
emmainna [20.7K]
7 is the right answer(please rate 5.0 stars so i can help other people out thanks)
8 0
3 years ago
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The sum of Sally and Beth's age is 60. Six years ago, Sally was 3 times as old as Beth. What are their present ages?
Thepotemich [5.8K]
Sally is 45 and Beth is 15.

45 + 15 = 60

15*3 = 45
4 0
3 years ago
Read 2 more answers
I need help with this question please.
Reil [10]

Answer:

10 n equals 6

Step-by-step explanation:

Why? Because that has nothing to do with the problem and no solution for 3/5.

7 0
2 years ago
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