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Sav [38]
3 years ago
14

-6z = 72 I’m just bad at math ;-;

Mathematics
1 answer:
nignag [31]3 years ago
4 0

Answer: z = -12

Step-by-step explanation:

-6z = 72

divide both sides by -6

z = -12

You might be interested in
Q, Fixed a system of coordinates in the plane, conficer the curve C having equation y = (x-2)^2. The line x + y - 2 = 0 intersec
Liula [17]

Answer:

C

Step-by-step explanation:

y = (x - 2)² = x² - 4x + 4 → (1)

x + y - 2 = 0 → (2)

substitute y = x² - 4x + 4 into (2)

x + x² - 4x + 4 - 2 = 0

x² - 3x + 2 = 0

(x - 1)(x - 2) = 0

equate each factor to zero and solve for x

x - 1 = 0 ⇒ x = 1

x - 2 = 0 ⇒ x = 2

substitute these values into (2) and solve for y

x = 1 : 1 + y - 2 = 0 ⇒ y - 1 = 0 ⇒ y = 1 ⇒ (1, 1 )

x = 2 : 2 + y - 2 = 0 ⇒ y + 0 = 0 ⇒ y = 0 ⇒ (2, 0 )

the line intersects curve C at 2 points (1, 1 ) and (2, 0 )

5 0
2 years ago
Read 2 more answers
Which is the greatest among root 2, 3 root 4 and 4 root 3?
Sveta_85 [38]

Answer:

4^1/3 is greatest among the given

Step-by-step explanation:

√2 , 4^1/3 , 3^1/4

Find the LCM of 2, 3 , 4= 12

i ) √2 =2^1/2 = 2^6/12=(2^6)^1/12

= (64)^1/12

ii ) 4^1/3 = 4^4/12 = (4^4)^1/12

= (256)1/12

iii )3^1/4 = 3^3/12 = ( 3³ )^1/12

= (27)^1/12

Therefore ,

(256)^1/12 > (64)^1/12 > (27)^1/12

4^1/3 > 2^1/2 > 3^1/4

4^1/3 is greatest among the given

number

6 0
2 years ago
What is the sum (2/5x + 5/8) + (1/5x - 1/4)? a. 3/5 x + 1/8 b. 3/5 x + 3/8 c. 3/5x + 5/8 d. 3/5x + 7/8​
ozzi

Answer:

3/5x + 3/8

Step-by-step explanation:

2/5x + 5/8 + 1/5x - 1/4

1. Combine like terms so now u have

3/5x + <u><em>3/8 </em></u>

In case you want to know how I got 3/8

You want a common denominator so

from  5/8 + 1/4, make both denominator 8

so 1 *2/ 4* 2

so now you converted the 1/4 to 2/8

So then 5/8 - 2/8 gives u 3/8 and that's how i got 3/8

Hope this helped!

6 0
2 years ago
Read 2 more answers
HELP PLEASE ASAP 30 POINTS
Rom4ik [11]
Answer is:

y= 1/2x +3

1/2x is the gradient
+3 is the y-intercept

Hope that helps!
5 0
2 years ago
Michael's bike uses 3 litres of fuel for
gavmur [86]
ANSWER:
$18.90

EXPLANATION:
3L of fuel for every 100km

450km = 13.5L

13.5 x 1.40 = $18.90
7 0
1 year ago
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