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Romashka [77]
3 years ago
7

–10 = –6 + 2c –8 1 –2 2

Mathematics
1 answer:
guapka [62]3 years ago
6 0

–10 = –6 + 2c

+ 6     + 6          Add 6 to cancel out -6

-4 = 2c

/2    /2              Divide by 2 to get c variable alone

-2 = c               Choice C is the correct answer

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In the expression 3x + 7, what is the coefficient?
san4es73 [151]

Answer:

3

Step-by-step explanation:

4 0
3 years ago
X divided by 6/7 = 3 and 2/5
Rom4ik [11]
X / 6/7 is 3 2/5. First, concert the numbers to decimals for simplicity sake, and you get x/.857 = 3.4. Multiply both sides by .857 to get x alone and you get x ≈ 2.9143
4 0
2 years ago
Check all the fractions that are equivalent to 100*300
V125BC [204]

Answer:

the answer

Step-by-step explanation:

of 100 *300 is 0

8 0
2 years ago
For* 15-16 find the number of sides if a polygon has the given measure for each interior angle,
salantis [7]

Answer:

15. d) 36

16. b) 20

17. d) 180

18. b) 50

19. c) 360

20. b) 60

Step-by-step explanation:

To find the number of sides a polygon has giving an interior angle, use the equation:

(number of sides - 2)*180/(number of sides) = measure of interior angle

<em>15. </em>(n = number of sides)

((n-2)*180)/n = 170

180n-360 = 170n

10n = 360

n = 36 (d)

<em>16.</em> (n = number of sides)

((n-2)*180)/n = 162

180n-360 = 162n

18n = 360

n = 20 (b)

<em>17.</em> The sum of the interior angles of a triangle is always 180 (d)

<em>18.</em> 180-60-70 = 50 (b)

<em>19.</em> The sum of the interior angles of a quadrilateral is always 360 (c)

<em>20.</em> 360-120-90-90 = 60 (b)

3 0
3 years ago
Find the value of x in the triangle shown below.<br> 1.5<br> 2.5<br> X
algol13
So 2.5^2= 1.5^2 +b^2
6.25= 2.25 +b^2
Subtract 2.25 on each side
4= b^2
Take the square root of each side
X=2

Hope it helps
6 0
2 years ago
Read 2 more answers
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