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enyata [817]
3 years ago
7

Use the distributive properties to create an equivalent expression 9x+21

Mathematics
1 answer:
marishachu [46]3 years ago
3 0

3(3x +7)

find the greatest common factor of both numbers

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Please help me with this, corresponding parts
poizon [28]

Answer:

∠ C = 58°

Step-by-step explanation:

DB is a perpendicular bisector , so

∠ ADC = 2 × 32° = 64°

Since AD = CD then Δ ACD is isosceles with the base angle congruent , then

∠ C = \frac{180-64}{2} = \frac{116}{2} = 58°

4 0
3 years ago
You invest 3000 in an account that pays simple interest of 7% for 30 years​
Colt1911 [192]

Answer: the amount of interest is $630.00

Step-by-step explanation:

www . webmath . com i used this website to calculate the interest. it was really helpful for me and i hope it helps you! ( had to put it like that so i could submit.

6 0
4 years ago
System of equations with different slopes and different y-intercepts have one solution.
Pavlova-9 [17]
The answer is :
<span>A. Always


Also </span>
<span>If two equations have different slopes but equivalent y-intercepts, they will have one solution and that will be the point where the y-intercept is. If two equations have different slopes and different y-intercepts, then there will be one solution where those two lines meet. If two equations have the same slope but different y-intercepts, the lines will be parallel, and there is no possible intersection point. And if two equations have equal slopes and equal y-intercepts, these lines will have an infinite amount of solutions, because if the equations are one the same line, every single point on that line is a solution to the system. </span>
7 0
3 years ago
Read 2 more answers
Worth 20 points, will thank
Leno4ka [110]

Answer:

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Step-by-step explanation:

7 0
3 years ago
HELP PLEASE what is the slope of the line graphed above?
Aliun [14]

Answer:

C

Step-by-step explanation:

slope = rise /run

from point (2, 0) to point (-2, 2) you rise 2 and run -4 so m= 2/-4 = -1/2

3 0
3 years ago
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