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3 years ago

Can someone help me ? Please

Mathematics

2 answers:

bezimeni [28]3 years ago

8 0

Answer:

3/7

Step-by-step explanation:

i think this is the right answer

jonny [76]3 years ago

3 0

Answer: if you go to calculator soup you can look up fraction calc or simplily just look up 3 and 1 half divided by 2 thirds i hope this heloed

Step-by-step explanation:

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Express in simplest form: -1(-x+6x + 1)-3 – 3x

Nana76 [90]

Answer:

-5x - 4

Hope this helps!!! :)

4 0

3 years ago

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A shipment of 12 microwave ovens contains 3 defective units. A vending company has ordered 4 of these units, and because all are

pishuonlain [190]

P(defective) = 3/12 = 1/4
P(good) = 1 - 1/4 = 3/4
$P(2\ good)=4C2\times0.75^{2}\times0.25^{2}=0.211$
$P(3\ good)=4C3\times0.75^{3}\times0.25=0.422$
$P(4\ good)=0.75^{4}=0.316$
The probability that at least 2 units are good is given by:
P(2 good) + P(3 good) + P(4 good) = 0.211 + 0.422 + 0.316 = 0.949.

4 0

3 years ago

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MATH. Simplify x+7=2

HACTEHA [7]

Answer:

x=-5

Step-by-step explanation:

When finding x, we basically have to isolate the variable. By isolating the variable, usually doing the opposite operation helps it.

Addition is the opposite of Subtraction

Multiplication is the opposite of Division

Let's dive into this problem!

x+7=2

(we need to isolate x. basically we need to get rid of this 7. How do we do this? since it is added by seven, we can subtract it by both sides to get rid of it on the x side.)

x+7=2

-7 -7

x=-5

(subtract 2-(-5), this adds to -5)

This is your final answer.

8 0

4 years ago

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Maddy lleva un bote con bebida para deportistas; el bote de 5 55 litros pesa 7 , 5 kg 7,5 kg7, comma, 5, start text, space, k, g

Kaylis [27]

Answer: $3\ kilograms$

Step-by-step explanation:

It is important to remember that, by definition, proportional relationships have the following form:

$y=kx$

Where "k" is the constant of proportionality.

We know that Maddy assume that the relation between the volume and the weight is proportional.

Then, let be "V" the volume in liters and "w" the weight in kilograms.

We can write the following equation:

$V=kw$

So, if the boat of 555 liters weights 7.5 kilograms, we can find "k":

$555 =k(7)\\\\k=\frac{555}{7}\\\\k=74$

In order to solve the exercise, substitute the value of "k" and $V=222$ into the equation and solve for "w". Then:

$222=(74)w\\\\\frac{222}{74}=w\\\\w=3$

7 0

4 years ago

Preston is making cookies. He has fraction 4 over 5 cups of flour in a bag. He then used two fractions 1 over 10 cup scoops of f

maks197457 [2]

Step 1: 1/10 + 1/10 = 2/10

Step 2: 4/5 - 2/10
GCF: multiply both sides of 4/5 by 2 = 8/10

Step 3: 8/10 - 2-10 = 6/10

ANSWER: C fraction 6 over 10, because fraction 4 over 5 minus 2 times fraction 1 over 10 equals fraction 4 over 5 minus fraction 2 over 10

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4 years ago

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