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kolbaska11 [484]
3 years ago
11

Please someone help me please :(

Mathematics
1 answer:
bezimeni [28]3 years ago
6 0
C = 19.99 + 0.15x

1️⃣ C = 0.15(78) + 19.99

2️⃣ C = 11.7 + 19.99

3️⃣ C = 31.69


4️⃣ The total cost is $31.69

5️⃣ The cost to send 78 text messages is $11.70

♡´・ᴗ・`♡Brainliest Please♡´・ᴗ・`♡
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Find the answer pleaseeee...<br><br>-15/9 + 9/4 = ? <br><br>Please find what the question mark is​
SVEN [57.7K]

Answer:

7/12

Step-by-step explanation:

-15/9+9/4

We need to make them have the same denominator:

9x4= 36 so that is our new denominator

-15x4= -60

9x9=81

(Sorry if i dont make sense)

Now we have -60/36+81/36 which is equal to 21/36.

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3 years ago
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