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In-s [12.5K]
3 years ago
7

Please help me I need this for tonight

Mathematics
1 answer:
Dimas [21]3 years ago
7 0
C
because if you substitute 4 into x you do 4+8 thats 12
3(4) = 12
so therefore its C
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8 0
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A friend has a 78% average before the final exam for a course. That score includes everything but the final, which counts for 20
Karolina [17]

Answer:

98%

Step-by-step explanation:

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Saturday the low temperature was 56°F and the high temperature was 60° higher what was the high temperature on Saturday
leva [86]
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4 0
3 years ago
How many solutions are there to the following system of equations? 3x-9y=0 -x+3y=-3​
Cloud [144]

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no solution

Step-by-step explanation:

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4 0
3 years ago
What is the value of c such that x^2+14x+c is a perfect-square trinomial?
polet [3.4K]

Answer: 49

Step-by-step explanation:

a=1 ,b=14, c=?

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Check:

(x)^2+2(x)(7)+(7)^2

x^2+14x+49

(x+7)^2  

4 0
2 years ago
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