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dimulka [17.4K]
3 years ago
8

What is the value of ? 18 - (2 x ? ) = ? x 4

Mathematics
2 answers:
s344n2d4d5 [400]3 years ago
8 0

Answer:

The value of ? is 3

Step-by-step explanation

Lets call   ?   x    

18-2x = 4x

18=6x

3=x

Dmitry_Shevchenko [17]3 years ago
6 0

Answer:

?= 3

Step-by-step explanation:

let x = ?

18-2x=4x

6x=18x

x=3

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Answer:

If had left over I would leave $1.85

Step-by-step explanation:

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2 years ago
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The quotient of a secret number and 4 is 9
Anna [14]
Let's call the 'secret number' <em>x</em>.

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<em>x/4=9
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As a result, the "secret number" is 36
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2 years ago
The graph of $y = ax^2 + bx + c$ is shown below. Find $a \cdot b \cdot c$. (The distance between the grid lines is one unit.)
Savatey [412]

Answer:

a\cdot b\cdot c=\frac{15}{4}

Step-by-step explanation:

Vertex is the minimum or maximum point of parabola

Vertex of parabola is (h,k)

Therefore, from given graph (-3,-2) is the lowest point.

Vertex of parabola is at (-3,-2).

Standard equation of parabola

y-k=a(x-h)^2

Substitute the values

y-(-2)=a(x-(-3))^2=a(x+3)^2

y+2=a(x+3)^2

(-1,0) lies on the parabola.

Therefore, it satisfied the equation of parabola.

0+2=a(-1+3)^2=4a

a=2/4=1/2

Now, using the value of a

y+2=1/2(x+3)^2=1/2(x^2+6x+9)

y+2=\frac{1}{2}x^2+3x+\frac{9}{2}

y=\frac{1}{2}x^2+3x+\frac{9}{2}-2

y=\frac{1}{2}x^2+3x+\frac{9-4}{2}

y=\frac{1}{2}x^2+3x+\frac{5}{2}

By comparing with

y=ax^2+bx+c

We get

a=\frac{1}{2}, b=3, c=5/2

a\cdot b\cdot c=\frac{1}{2}\times 3\times \frac{5}{2}

a\cdot b\cdot c=\frac{15}{4}

7 0
2 years ago
What's the answer ?????
ra1l [238]
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3 years ago
Graph the line with x-intercept 9 and y-intercept 7.<br>What is the slope m of this line?​
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Here u go I hope this helps

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