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3 years ago

Katrina drinks 0.5 gallons of water per day. Which expression shows how to find the number of cups of water she

Mathematics

1 answer:

ExtremeBDS [4]3 years ago

4 0

Answer:

7×0.5= 3.5 cups of water

Step-by-step explanation:

7×0.5 is the expression used to find how many cups she drank in a week

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A boarding kennel mixes dry dog

7nadin3 [17]

A) Yes. There is 3x as much dry dog food as there is wet dog food. 1.5 x 3 = 4.5 oz. 2 x 3= 6 oz. 3 x 3 = 9 oz
b) 16.5. (5.5 x 3 = 16.5)

7 0

3 years ago

Can you show all steps to simplify (3x-4)+(x+3)^2

ella [17]

<span>(3x-4)+(x+3)^2
= 3x - 4 + x^2 + 6x + 9 .........(expand using (a+b)^2 = a^2 + 2ab + b^2)
= x^2 + 9x + 5 ..........(combine like terms and simplify)

hope that helps</span>

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3 years ago

The railing on your front porch has 4 posts like the one pictured. You need to wipe them with a wash that will protect it from r

ollegr [7]

Answer:

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Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Calculate the length b to two decimal places.

Andrej [43]

Answer:

B. 21.64

Step-by-step explanation:

We have been given a triangle and we are asked to find the length of AC (b).

We will use law of cosines to find the length of side AC.

$c^{2}=a^{2}+b^{2}-2ab \text{ cos }\theta$

Upon substituting our given values in the formula we will get,

$(AC)^{2}=15^{2}+12^{2}-2\times 15\times 12 \text{ cos}(106)$

$(AC)^{2}=225+144-360\text{ cos}(106)$

$(AC)^{2}=369-360(-0.275637355817)$

$(AC)^{2}=369+99.22944809412$

$(AC)^{2}=468.22944809412$

Upon taking square root of both sides of our equation we will be get,

$AC=\sqrt{468.22944809412}$

$AC=21.6386101238993629\approx 21.64$

Therefore, the length of b is 21.64 and option B is the correct choice.

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3 years ago

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Fiesta28 [93]

A. 30 sixth graders

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3 years ago