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Airida [17]
3 years ago
7

Exercises: Write an equation and solve it:

Mathematics
1 answer:
zhuklara [117]3 years ago
7 0
19
Because 12+7 = 19
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Use the grouping method to factor this polynomial completely.<br> 3x3 + 12x2 + 2x + 8
dezoksy [38]

Answer:

(3x^2 + 2)(x + 4).

Step-by-step explanation:

3x3 + 12x2 + 2x + 8

3x^2(x + 4) + 2(x + 4)   The  x + 4 is common to the 2 groups so we have:

(3x^2 + 2)(x + 4).

3 0
3 years ago
Y/2 - 1/5 = 2 - y/3 <br><br>please tell me this asap ​
IRISSAK [1]

Answer:

y=2 16/25

in other words, two and sixteen twenty-fifths

Step-by-step explanation:

y/2-1/5=2-y/3

Move the variables to one side and constants to the other

y/2+y/3=2+1/5

Multiply y/2 by 3/3 and y/3 by 2/2 so that they have a common denominator

3y/6+2y/6=2 1/5

5y/6=11/5

Cross multiply

66=25y

y=66/25

y=2 16/25

HOPE THIS HELPS!!!

4 0
3 years ago
The two-way table represents data from a survey asking schoolchildren whether they are attending a summer camp, taking swimming
amm1812
The joint relative frequency values are the top-left four squares, or the intersection of 2 variables, divided by the total number in the bottom-right corner, which is 96. 

Find the intersection of Camp and Swimming lessons. The number is 42. Divide this number by 96:
42 ÷ 96 = 43.75%

Best answer is 44%
7 0
3 years ago
Read 2 more answers
What is 511,400 in scientific notation
krok68 [10]

Answer:

511,400 = 5.114 * 10^5

4 0
3 years ago
Can u answer this question the problem is below
Elodia [21]

Answer:

-3

-7

-7

-8

Step-by-step explanation:

5 0
2 years ago
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