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ozzi
3 years ago
15

Happy is four times as old as Grumpy. The sum of their age is 100. How old are Happy and Grumpy?

Mathematics
2 answers:
lys-0071 [83]3 years ago
5 0

Answer:

grumpy is 20 happy is 80

Step-by-step explanation:

dalvyx [7]3 years ago
3 0
Happy is 25 and Grumpy is 4
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Can someone help me with this question
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Vas happening?
You break it down
3 ^5 is 3 x 3 x 3 x 3 x 3 = 729
4 ^ 5 is 4 x 4 x 4 x 4 x 4 = 1024
729 times 1024 = 746,496
12 ^ 10 is 12 x 12 x 12 x 12 x 12 x 12 x 12 x 12 x 12 x 12 = 6.19174e10
So the answer is incorrect
8 0
3 years ago
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Viefleur [7K]

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10.50 is what she has left to spend

4 0
3 years ago
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Three planes intersect:
Ugo [173]

Answer:

Each plane cuts the other two in a line and they form a prismatic surface. ... The second and third planes are coincident and the first is cuting them, therefore the three planes intersect in a line.

Step-by-step explanation:

5 0
3 years ago
ANSWER FOR BRAINILEST.
Lesechka [4]

Answer:

2713

Step-by-step explanation:

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Substitute 3.14 for pi, and you get

864(3.14) = 2712.96, which rounds to 2713

6 0
3 years ago
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What is the following product? (2 square root 7+3 square root 6)(5 square root 2+4 square root 3)
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(2\sqrt7+3\sqrt6)(5\sqrt2+4\sqrt3)\qquad\text{use distributive property}\\\\=(2\sqrt7)(5\sqrt2)+(2\sqrt7)(4\sqrt3)+(3\sqrt6)(5\sqrt2)+(3\sqrt6)(4\sqrt3)\\\\=10\sqrt{14}+8\sqrt{21}+15\sqrt{12}+12\sqrt{18}\\\\=10\sqrt{14}+8\sqrt{21}+15\sqrt{4\cdot3}+12\sqrt{9\cdot2}\\\\=10\sqrt{14}+8\sqrt{21}+15\sqrt4\cdot\sqrt3+12\sqrt9\cdot\sqrt2\\\\=10\sqrt{14}+8\sqrt{21}+(15)(2)\sqrt3+(12)(3)\sqrt2\\\\=\boxed{10\sqrt{14}+8\sqrt{21}+30\sqrt3+36\sqrt2}

5 0
3 years ago
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