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balandron [24]
3 years ago
7

4(x+3)^2=-100. Solve using the square root property.

Mathematics
1 answer:
Leya [2.2K]3 years ago
5 0

Answer:

x= 7, -13

Step-by-step explanation:

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Solve for substitution 8x+2y=13 and 4x+y=11
damaskus [11]
Solving for X:
1) y=-8x+6.5   y=-4x+11
2) -8x+6.5=-4x+11
3) -8x=-4x+11-6.5        (Subtract 6.5 from both sides)
4) -8x+4x=11-6.5         (Add 4x to both sides)
5)-4x=4.5
5)x=-1.125

Solving for Y:
y=-8(-1.125)+6.5
y=9+6.5
y=15.5

y=-4(-1.125)+11
y=4.5+11
y=15.5

x=-1.125
y=15.5
or
(-1.125,15.5)
7 0
3 years ago
Find the number that makes the 2 fractions equivalent 3/8=9/?
Lorico [155]

Answer:

24

Step-by-step explanation:

The numerator of the equivalent fraction of 3/8 is 9. From this, we can see that the common factor that is being multiplied is 3. So the denominator, 8, has to be multiplied by 3 as well which gives you 24. 9/24 is an equivalent fraction of 3/8

6 0
3 years ago
Read 2 more answers
Find the rule. Solve for n. Х 12 15 20 Y 7 10 15 17 n Rule:​
Novosadov [1.4K]

Answer:

n =22

Step-by-step explanation:

12-5=7

15-5=10

20-5=15

n-5=17

collect like terms

n=17+5

n=22

4 0
2 years ago
I need help with this question
aalyn [17]
The first step is to square root both sides to get the exponent out. that actually is the only step :)
5 0
3 years ago
12 2/6 converted to a mixed number
Kipish [7]

12 2/6 is a mixed number. Though, it can be simplified to 12 1/3


3 0
3 years ago
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