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Alex73 [517]
3 years ago
8

If 3x + 3 = -9, then what is 3x + 5 equivalent to?

Mathematics
1 answer:
Anarel [89]3 years ago
8 0

Answer:

- 7

Step-by-step explanation:

Solve for x

3x + 3 = - 9 ( subtract 3 from both sides )

3x = - 12 ( divide both sides by 3 )

x = - 4

Hence

3x + 5 = (3 × - 4) + 5 = - 12 + 5 = - 7

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The differential equation
Mazyrski [523]

As the question points out, the equation is indeed separable:

\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{6x+9}{12y^2+16y+6}

\implies2(6y^2+8y+3)\,\mathrm dy=3(2x+3)\,\mathrm dx

Integrate both sides to get

2(2y^3+4y^2+3y)=3(x^2+3x)+C

\implies F(x,y)=\underbrace{(-3x^2-9x)}_{G(x)}+\underbrace{4y^3+8y^2+6y}_{H(y)}=C

6 0
3 years ago
At a restaurant the ratio of kids meals sold to adult meals was 8 to 5 if there were 72 kids meals sold how many adult meals wer
docker41 [41]

Answer:

45

Step-by-step explanation:

There were 72 kids meals sold which is represented by 8 parts of the ratio.

Divide by 8 to find the value of one part of the ratio

72 ÷ 8 = 9 ← value of 1 part of the ratio, thus

5 × 9 = 45 ← number of adult meals sold

6 0
4 years ago
Read 2 more answers
-6log3(x-3)=-24<br><br> the 3 is small
bazaltina [42]
-6 Log(x-3) = -24
divide both sides by -6
Log(x-3) = 4
rewrite as a power
3^4 = x - 3
81 = x - 3
81 + 3 = x
84 = x

6 0
3 years ago
The base of a triangle is shrinking at a rate of 1cm/min and the height if the triangle is increasing at a rate of 5cm/min. Find
lapo4ka [179]

Answer: Rate of change of Area of the triangle = 2.75cm~/min

Step-by-step explanation:

If the present height of the triangle is 22cm and the height increases by 5cm/min. It means the height was 2cm four minutes earlier: 5cm for 1st min + 5cm for 2nd min + 5cm for 3rd min + 5cm for 4th min = 20cm after 4min.

Therefore height equals 22 - 20 = 2cm four minutes earlier.

Using the same four minutes for the base. Since the base shrinks at 1cm/min, for the base to shrink to 10cm it means it was 14cm four minutes earlier.

The Area of a triangle is given by

A = 1/2 × base × height

Therefore Area= 1/2× 10×22 = 110cm~

Since it took four minutes to get to this area, the rate of change of the area will be 110÷4 = 2.75cm~/min

3 0
3 years ago
( − 9 , 7 ),(−6,−3)
lina2011 [118]

Answer: If you wanting to find the slope, the answer would be m = -10/3

Step-by-step explanation: Use the slope formula to find the slope m.

Hope this helps you out! ☺

3 0
4 years ago
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