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Artemon [7]
2 years ago
12

Nine less than five times a number is equal to -30.

Mathematics
1 answer:
notka56 [123]2 years ago
6 0

Answer: 5x-30-9

-159

Step-by-step explanation:

-159 is the answer

You might be interested in
-3(_x + 4) = 9x – 12 Using the distributive property, what number would go in the blank in order for the given statement to be c
Licemer1 [7]

Answer:

-3(-3x + 4) = 9x - 12

Step-by-step explanation:

-3( Ax + 4) = 9x - 12

-3Ax -12 = 9x - 12

Equating coefficients of  x terms on both sides :

-3A = 9

A = -3

Therefore, -3(-3x + 4) = 9x - 12

4 0
3 years ago
Twelve less than a number is -75
yanalaym [24]
-87 because (-87)-12=-75
8 0
3 years ago
a private school admits no more than 100 students every year. additionally, at least 30 of these students must be girls, and the
Thepotemich [5.8K]
2/2 part of the equation is ≤ B
maybe       30/100 ≤ B
7 0
2 years ago
Solve xy-6=k for x <br><br><br> Please help me out
dedylja [7]

Answer:

\times  =  \frac{k + 6}{y}

Step-by-step explanation:

xy - 6 = k \\ xy = k + 6 \\ x =  \frac{k + 6}{y}

4 0
2 years ago
A solution is heated from 0°C to 100°C. Between 0°C and 50°C, the rate of temperature increase is 1.5°C/min. Between 50°C and 10
muminat

Answer:

0.6 °C/min

Step-by-step explanation:

The relationship between rates and movement is ...

time = distance/speed

Here, the "distance" is measured in °C, and the "speed" is the rate of change of temperature.

For the first half of the heating, the time required is ...

(50°C -0°C)/(1.5 °C/min) = 50/(3/2) min = 100/3 min

For the second half of the heating, the time required is ...

(100°C -50°C)/(4/10 °C/min) = 50/(4/10) = 125 min

Then the total time is ...

((100/3) +125) min = (475/3) min

And the average rate of temperature increase is ...

total temperature change / total time

= (100°C -0°C)/(475/3 min) = 300/475 °C/min = 12/19 °C/min ≈ 0.6 °C/min

4 0
2 years ago
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