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geniusboy [140]
2 years ago
8

A grocery store sells long grain rice for 2.49 per pound. Write an expression for the cost of y pounds of long grain rice.

Mathematics
1 answer:
OleMash [197]2 years ago
3 0

Answer:

Step-by-step explanation:

Cost = 2.49 * y

You really should spend the time. Math is used everywhere.

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Based on the side lengths given (a, b, and o, which triangles are right triangles?​
Cloud [144]

Answer:

2 & 3

Step-by-step explanation:

Pythagorean Theorem is a^2+b^2=c^2.

If the values given in each option satisfy the theorem, the sides will make a right triangle.

<h3>For Option One:</h3>

4^2+6^2=8^2\\=> 4^2=16\\=> 6^2=36\\=>8^2 =64\\16+36=64\\\boxed{52\neq 64}

The sides would not make a right triangle.

<h3>For Option Two:</h3>

6^2+8^2=10^2\\=> 6^2 = 36\\=> 8^2=64\\=> 10^2=100\\36+64=100\\\boxed{100=100}

The sides would make a right triangle.

<h3>For Option Three:</h3>

5^2+6^2=\sqrt{61}^2\\ => 5^2=25\\=>6^2=36\\=>\sqrt{61}^2=61\\ 25+36=61\\\boxed {61=61}

The sides would make a right triangle.

<h3>For Option Four:</h3>

6^2+9^2=12^2\\=> 6^2=36\\=>9^2=81\\=>12^2=144\\36+81=144\\\boxed{117\neq 144}

The sides would not make a right triangle.

The correct answer should be options two and three.

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2 years ago
17.a. Three numbers have HCF of 12 and LCM 720. If two of the
ivolga24 [154]

Answer:

Yes it is true and 4 mark not ture

Step-by-step explanation:

3 0
2 years ago
3/11 divided by 3/11
vladimir2022 [97]

Answer: 1

Step-by-step explanation:

When dividing fractions, we follow a rule called keep, change, flip:

3/11 * 11/3

33/33

1

5 0
3 years ago
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Write an expression for the calculation add 34 and 6 and then multiply 3
Ymorist [56]

We need to write an expression for "add 34 and 6 and then multiply 3"

"Add" represents + operation .

"multiply" represents × operation.

We need to add 34 and 6.

So, we can write 34+6 and then we need multiply the sum by 3.

So, we need to keep above addition of 34 and 6 in parantehsis. We get

(34+6) × 3.

So, the final expression is  (34+6) × 3.

3 0
3 years ago
What property is 10(5+9x) and 10(9x+5)
tatuchka [14]

Answer:

Associative property: The addition or multiplication of a several numbers is the same regardless of how the numbers are grouped. The associative property will always involve 3 or more numbers. The parenthesis groups the terms that are considered one unit.

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