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olga_2 [115]
3 years ago
5

(2x-7)(x+2)+(3x+7)(x+2)

Mathematics
2 answers:
Allushta [10]3 years ago
8 0

Answer:

2x^{2} +4x-7x-14+3x^{2} +6x+7x+14\\5x^{2} +10x

Step-by-step explanation:

Ivahew [28]3 years ago
4 0

Answer:

5

2

+

1

0

________________

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There are 345 fifth graders enrolled at Wilson Middle School and 15 fifth-grade classrooms. How many students are in each class
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Step-by-step explanation:

Literally just division

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3 years ago
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The side lengths of a square measure 25.3 cm. Estimate the area of the square.
s2008m [1.1K]
Estimate, ok
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3 0
3 years ago
Math
denis-greek [22]

Answer:

\bullet \ \large\text{The mean in period 2 is higher than the mean in period 1.}

Step-by-step explanation:

<u><em>the mean in period</em></u> 1 :

(2.3+2.1+2.2+2.2+2.2+2.1+2.4+2.5+2.2+2.0+1.9+1.9+2.1+2.2+2.3)÷15=21.733...

<u><em>the mean in period</em></u> 2 :

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Since 23.466 > 21.733 then “The mean in period 2 is higher than the mean in period 1”.

7 0
2 years ago
A college surveys local businesses about the importance of students as customers. The college chooses 150 businesses at
GenaCL600 [577]

The proportion of businesses who did not respond = 54.67%

Given : Total businesses = 150

Businesses responded = 68

Businesses did not respond =  150- 68 = 82

The proportion of businesses who did not respond =

82/150 x 100

54.67%

8 0
3 years ago
The 2 in 21 represents how many times the value of the 2 in 82?
anyanavicka [17]

Answer:

10 times as much

Step-by-step explanation:

the 2 in 82 is worth 2 ones while the 2 in 21 is worth 10 ones

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2 years ago
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