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2 years ago

If m = 9, what is the value of the expression 3m - 4?

Mathematics

2 answers:

fomenos2 years ago

8 0

Answer:

Step-by-step explanation:

let's subsitute into 3m-4 using 9
3(9)-4
now let's multiply 3*9 which is 27
27-4 = 23
we are done :)

larisa [96]2 years ago

6 0

Answer: 23

Step-by-step explanation:

3(9) - 4

27 - 4

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Are the two ratios equivalent? 6:21 and 8:28 Explain.

Leviafan [203]

Answer:

The two ratios are equivalent.

Step-by-step explanation:

Reduce both fractions:

6/21 = 2/7 [Take out 3 from both sides]

8/28 = 2/7 [Take out 4 from both sides]

2/7 = 2/7

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1 year ago

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2 years ago

Yankees wins to mets losses. Yankees wins 15. mets losses 12. use this and write the ratio.

Delvig [45]

Answer:

5:4

Step-by-step explanation:

The original ratio would be 15:12 and then you can simplify by dividing both sides by 3. So the resulting ratio would be 5:4.

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2 years ago

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Find the vertex of a quadratic function written in standard form.

Virty [35]

Answer:

our vertex for f(x) = 3x² + 18x + 32 = (-3, 5 )

Step-by-step explanation:

let me write the standard form of a quadratic equation

$a {x}^{2} + bx + c$

Now let me rewrite the original equation

$3 {x}^{2} + 18x + 32$

Now we use this simple formula to find the vertex (h, k)

$x = h = - \frac{b}{2a} \\ = - \frac{18}{2(3)} = - \frac{18}{6} = - 3 \\ h = - 3$

substitute -3 for x back into our original equation to solve for y our k value of our vertex

$y = 3 ({ - 3})^{2} + 18( - 3) + 32 \\ = 3(9) - 54 + 32 \\ = 27 + 32 - 54 \\ = 59 - 54 \\ k = 5$

our vertex for f(x) = 3x² + 18x + 32 = (-3, 5 )

3 0

1 year ago

Q,If one of the zeroes of the cubic polynomial x3 + px² + qx + r is -1, then the product of the other two zeroes is

Yuki888 [10]

Answer:

q- p + 1

Step-by-step explanation:

Let p(x) = x³ + px² + qx + r

p(-1) = 0

(-1)³+p(-1)²+q(-1) + r = 0

-1+ p -q + r = 0

r = q- p + 1

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1 year ago

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