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WINSTONCH [101]
3 years ago
7

-5x + 4(2x + 1) please help! (simplify it)

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
5 0
-5x + 4(2x + 1)
-5x + 8x + 4
= 3x + 4
Karolina [17]3 years ago
4 0

Answer:

3x+4

Step-by-step explanation:

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Belinda wants to bye 5 pictures to hang in her family room.if each picture cost $30.90 how much will it cost her to buy all 5?
andre [41]
$154.50 you just multiply 5 and to the amount each picture costs
5 0
3 years ago
Read 2 more answers
1. mutliply 3.and 3/5 enter your answer as an improper fraction in simplified form in the box.
natali 33 [55]

Answer:

1.\frac{9}{5}

2.-11\frac{1}{4}

3.10\frac{1}{8}

4.4\frac{17}{24}

5.-4\frac{7}{12}

Step-by-step explanation:

In order to solve them you just have to multiply them and add them:

3 (\frac{3}{5} )=\frac{15+3}{5}=\frac{18}{5}

-4\frac{1}{2}  (2\frac{1}{2} )=-(\frac{9}{2} )(\frac{5}{2}) =-(\frac{45}{4}) =-11\frac{1}{4}

(-2\frac{1}{4} )(-4\frac{1}{2}) =(-\frac{9}{4}) (-\frac{9}{2} )=-\frac{81}{8} =-10\frac{1}{8}

3\frac{3}{8}+ 4\frac{1}{3}=7\frac{8+9}{24} =7\frac{17}{24}

-2\frac{1}{4} +-2\frac{1}{3}=-4\frac{7}{12}

5 0
3 years ago
3.6399; thousandths round it ​
shepuryov [24]

Answer:

3.6399 = 3.640

Step-by-step explanation:

3.6399\\1\:2\:3

Rounding to nearest thousandth means rounding to 3 decimal place

(0 to 4) =round down

(5 to 9)= round up

3 0
3 years ago
What does 108 × 1/3 equal?​
Alisiya [41]

Answer:

It would be 36

Explanation:

<em>First:</em>

<em>Convert any mixed numbers to fractions.</em>

<em>Then your initial equation becomes:</em>

<em>108/1 ×1/3</em>

<em> </em>

<em>Applying the fractions formula for multiplication,</em>

<em>=108×1/1×3 = 108/3</em>

<em> </em>

<em>Simplifying 108/3, the answer is</em>

<em>=36</em>

hope it helped. :)

5 0
3 years ago
I need some geometry help please
nadezda [96]
Y=mx+b is the equation we must fill out, with x and y being their respective coordinates, m being the slope, and b being the y-intercept. The y intercept will be at (0, y), and the beginning of this problem already gives us the y-intercept: -4.

We now know y=mx-4. To find the slope, m, we’ll plug in one of the coordinates: (5, 1). The new equation is 1=m(5)-4. Solve this to get 5=m(5), and then m=1.

Now that we know the slope and y-intercept, we can conclude that the equation is y=x-4.
8 0
3 years ago
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