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harkovskaia [24]
2 years ago
15

I need some help with this question. It says: expand and simplify 5(x + 7) + 3(x - 2)

Mathematics
1 answer:
Tanya [424]2 years ago
5 0

Answer:

8x+29

Step-by-step explanation:

open the brackets the collect like terms together

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Find the sum of the sequence. 45+46+47+48+...+108
Anna11 [10]
We know, S = n/2 [ a + l ]
Here, a = 45
l = 108

Calculation of n:
a(n) = a + (n - 1)d
108 = 45 + (n - 1)1
108 - 45 = n - 1
63 + 1 = n
n = 64

Now, substitute in the expression:
S = 64/2 [ 45 + 108 ]
S = 32 [ 153 ]
S = 4896

In short, Your Answer would be 4896

Hope this helps!
7 0
3 years ago
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7(x 4) can someone answer fast
jeka94
7(x+4)=0
7x+28=0
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Show all work to multiply quantity 3 plus the square root of negative 16 end quantity times quantity 6 minus the square root of
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Answer:

Ok so here's your answer, so 3  = 1.73,

Step-by-step explanation:

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3 years ago
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Use the information to answer the following questions.
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70/3

6x > 220 - 80
220 - 80 = 140

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Factor 2 out of 140

x > 2(70) / 6

Cancel common factors
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x > 2 • 70 / 2 • 3

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x > 70/3 or (70/3 , ♾ )

5 0
2 years ago
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