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jarptica [38.1K]
3 years ago
12

Last night you went to a restaurant, and the bill for 3 adult meals and 2 children’s meals was £73.

Mathematics
1 answer:
Reil [10]3 years ago
3 0

Answer: 3a + 2c = 73   (last night)

2a + 5c = 89 (last week)

Step-by-step explanation:

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32+44 distributive property
n200080 [17]

Answer: 76

Step-by-step explanation:

30 + 40 = 70

4 + 2 = 6

70 + 6 = 76

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5 0
3 years ago
Simplify (-6)^-3 and explain
gizmo_the_mogwai [7]
So basically we are multiplying the number -6 3 times they are trying to trick you. BUT a tip is to think of it as regular multiplication and then applying that to exponents. So first multiply 6 times 6 whixh is 36 times 6 which is 216 so 1/216 should be your final answer.
3 0
4 years ago
Read 2 more answers
. 4/18 times 2/92. 1/9 times 3/63. 12/14 times 1/84.1/7 times 5/65. 17/20 times 1/61. 4 1/4 times 3 1/22. 3 5/6 times 4 1/23. 2
AlladinOne [14]

Answer:

Step-by-step explanation:

4/18×2/92

=1/9×1/23

=1/207

1/9×3/63

=1/3×1/23

=1/69

12/14×1/84

=1/14×1/7

=1/98

1/7×5/65

=1/7×1/13

=1/91

17/20×1/61

=17/1220

4 1/4 ×3 1/22

=17/4×67/22

=1,139/88

=12 83/88

3 5/6×4 1/23

=23/6×93/23

=93/6

=15 3/6

=15 1/2

2 1/2×4 7/84

=5/2×343/84

=1715/168

=10 35/168

I have answered more than 2 from each set

6 0
3 years ago
What are the coordinates of the image of vertex D after a reflection across the x-axis?
Elena-2011 [213]

Answer:

(-3,5) ia the answer

Step-by-step explanation:

It is because when you reflect it across the x axis the first coordinate will be negative and the second number is positive since its in the second square of the graph, so it is more of a resonable guess.

4 0
4 years ago
Can someone help me with this? Thank you so much! I mark as brainliest :)
mezya [45]

9514 1404 393

Answer:

  • x = 9
  • y = 45
  • z = 9 root 2

Step-by-step explanation:

In this isosceles right triangle, the acute angles are equal and the side lengths have the ratios 1 : 1 : √2

  y° = 90° -45° = 45°

  9 : x : z = 1 : 1 : √2 = 9 : 9 : 9√2

  x = 9; z = 9√2

3 0
3 years ago
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