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Goryan [66]
2 years ago
13

Solve the following equations. SHOW YOUR WORK.

Mathematics
2 answers:
Georgia [21]2 years ago
8 0

Step-by-step explanation:

c - 7 = 7

c = 14

pishuonlain [190]2 years ago
7 0
C-7=7
Cancel out the -7 so add 7 to both sides
C-7=7
+7=+7
C=14
M-7=-7
Same thing
M-7=-7
+7=+7
M=0
X+5=-10
-5=-5
X=-15
Y+8=3
-8=-8
Y=-5
9k=-18
This time divide 9 on both sides
9k=-18
\9=\9
K=-2
-3v=-7
/-3=/-3
V=7/3
5n=-15
/5=/5
N=-3
T/2=-6
*2=*2
T=-12
D/-4=-2
*-4=*-4
D=8
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The red square is the image of the blue square after a SINGLE transformation. Use two or more complete sentences to describe eac
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<h3>What transformations lead to the image?</h3>

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brainly.com/question/4289712

5 0
2 years ago
The cost of toner cartridges is 19.50 more than the cost of an ink cartridge. Colleen ordered 11 ink and 4 toner cartridges and
blagie [28]

Answer:

Toner = $45.00; ink = $25.50

Step-by-step explanation:

Let T = the cost of a toner cartridge and I = the cost of an ink cartridge

We have two conditions:

(1)                      T = I + 19.50

(2)           4T + 11I = 460.50     Substitute (1) into (2)

4(I + 19.50) + 11I = 460.50     Remove parentheses

 4I + 78.00 + 11I = 460.50     Combine like terms

      15 I + 78.00 = 460.50     Subtract 78.00 from each side

                    15I = 382.50      Divide each side by 15

(3)                  I = 25.50

=====

Substitute (3) into (1)

T = 25.50 + 19.50

T = 45.00

=====

<em>Check: </em>

(1)                         45.00 = 25.50 + 19.50

                           45.00 = 45.00

(2) 4×45.00 + 11×25.50 = 460.50

         180.00 + 280.50 = 460.50

                        460.50 = 460.50


6 0
3 years ago
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