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sineoko [7]
3 years ago
11

What strategies do you use when multiplying decimals? Share your thinking using 2-3 sentences. This is an open-ended question so

you can put anything you want but make sure it is correct.
Mathematics
1 answer:
Anit [1.1K]3 years ago
8 0
I’m not sure if this is actually a strategy but can I get brainliest please. If I’m not allowed to use a calculator then I would covert the decimals to fractions. I would covert them to the simplest fractions before multiplying so that the answer is as closest to its simplest form as possible.
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Could somebody help me with this as well if you’re good at geometry
7nadin3 [17]
The first answer we see is true the other is based on personal experience
7 0
3 years ago
A bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking a red marble, replacing it, and
Lunna [17]
There are 15 marbles in the bag. This gives us the probability of picking a red marble as 5/15, or 1/3. Because you replace the marble therefore making the probability the same each time, and as it's a logical 'and' operation, you multiply the probabilities like this:
(1/3)•(1/3)=(1/3)^2

Because (a/b)^c = a^c/b^c, P(two red marbles) = 1^2/3^2 = 1/9.
7 0
4 years ago
Read 2 more answers
A grocery store manager must decide how to best present a limited supply of milk and cookies to its customers. Milk can be sold
miss Akunina [59]

Answer:

Option A.

Step-by-step explanation:

Let M be the milk per gallon.

C be the cookies per dozen.

B be the bundle (one gallon of milk and a dozen cookies ).

Milk can be sold by itself for a profit of $1.50 per gallon. Cookies can likewise be sold at a profit of $2.50 per dozen and bundle is sold for a profit of $3.00 per bundle.

Profit= 1.5M + 2.5C + 3B

We need to maximize the profits. So, our objective function is

Therefore, the correct option is A.

7 0
4 years ago
Here are the dimensions of the oven tray Jenny bakes the cakes on.
dlinn [17]
Divide the area of the oven tray by the area of the cake tin.
4 0
4 years ago
3.
Reil [10]

<u>Answer:</u>

x = 5.00 cm

<u>Step-by-step explanation:</u>

• area of the rectangle = x   x   (x + 1)

                                     = x^2 + x

• area of the circle = π r²

                               = \frac{22}{7}   x   (x + 2)^2

                               = \frac{22}{7}   x   (x^2 + 4x + 4)

∴   x^2 + x   +    \frac{22}{7}   x   (x^2 + 4x + 4)  = 184  

⇒  x^2 + x      +   \frac{22}{7}  x^2   \space\ + \space\ \frac{88}{7} x \space\  +  \space\  \frac{88}{7} = 184

⇒  \frac{29}{7}x^2 \space\  +  \space\  \frac{95}{7}x \space\ - \frac{1200}{7} = 0

• Using quadratic formula, where

a = \frac{29}{7}

b = \frac{95}{7}

c = \frac{-1200}{7} ,

x=\frac{-b \pm \sqrt{b^2-4c}}{2}

x = \frac{-\frac{95}{7}\pm \sqrt{(\frac{95}{7})^2 - 4(\frac{29}{7})(\frac{-1200}{7} )  }  }{2(\frac{29}{7})}

x = 5.00   \space\   \space\ \space\ or  \space\ \space\ \space\   x = -8.28

As length (x) cannot be a negative number,

x = 5.00 cm

7 0
2 years ago
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