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LenaWriter [7]
3 years ago
13

Multiply & simplify: (3x + 4)(x + 1)

Mathematics
2 answers:
UkoKoshka [18]3 years ago
4 0
4x-2 is this simplified
svetoff [14.1K]3 years ago
3 0
You would distribute which would give you
3x^2+3x+4x+4
And then you would simplify
3x^2+7x+4
The answer is: 3x^2+7x+4
(^2 means squared)
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Allison is making fruit drinks for her friends.
Svetllana [295]

The number of cups of fruit Allison will need is = 4 ⅘ cups of fruits

<h3>Calculation of total quantity of fruits</h3>

The quantity of strawberries needed for each fruit drink= 3/5 cup

The quantity of blueberries needed for each fruit drink = 1/5 cup

Therefore the total quantity of fruits needed for each drink = 3/5 + 1/5

= 4/5

If 4/5 = 1 fruit drink

X = 6 fruit drinks

Make X the subject of formula,

X = 4/5 × 6

X = 24/5

X= 4 ⅘

Therefore, the number of cups of fruit Allison will need is = 4 ⅘ cups of fruits

Learn more about calculation of total quantity here:

brainly.com/question/13864606

7 0
2 years ago
You paint four walls. Each wall is a rectangle with a length of 20 feet and a height of 12 feet. One gallon of paint covers abou
Naddik [55]

Answer:

3 gallons

Step-by-step explanation:

Each wall 12 x 20 = 240 feet squared

4 walls =  4 x 240 = 960 squared feet

960 divided into 320 = 3

1 gallon --------320

1 gallon------------320

1 gallon-----------320

                    3 gallons----------960

 

5 0
3 years ago
What is the molarity of a solution
Vika [28.1K]

Answer:

0.670. M

Step-by-step explanation:

Molarity can be expressed like this:

molarity =  number of moles /volume (L)

We know the volume, which is  2.37 L , but we need to find the number of moles. We can do this by dividing  67.3 g  by the molar mass of  L i C l :

number of moles  = mass of sample /molar mass

number of moles  =  67.3 g /(6.94 + 35.45) g/mol  = 67.3 g /42.39 g/mol

number of moles = 1.59 mol

molarity = 1.59 mol /2.37 L =  0.670. M

7 0
3 years ago
Jeremy read that the population of his town increased by 10% in the 1980s,and then increased by another 10% in the 1990s.What is
Monica [59]

Answer:1.21x

Step-by-step explanation:

Let the initial population was x

(1.1x)*1.1=1.21x

8 0
3 years ago
What is the slope of the line that passes through (3, 11) and (10, 15)?
antiseptic1488 [7]

Answer:

4/7

Step-by-step explanation:

\frac{y2-y1}{x2-x1} \\\frac{15-11}{10-3} \\\frac{4}{7}

5 0
3 years ago
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