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Mama L [17]
3 years ago
8

Which number has a factor of 3 and a factor of 19

Mathematics
1 answer:
mr_godi [17]3 years ago
5 0
Factors of 3,19 is 57 I believe
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Need an explanation and answer for -25/28 ÷ (5/4)
lyudmila [28]

Answer:

-5/7

Step-by-step explanation:

When you divide fractions, you flip the second fraction, then multiply.

So it becomes -25/28 x 4/5.

This equals -100/140 which reduces to -5/7.

5 0
3 years ago
The diagram below shows the graph of the quadratic function f (x) = ax² + 8x + c. calculate the value for each of the following.
Alexxandr [17]

Answer:

see explanation

Step-by-step explanation:

The y- intercept is at (0, 6) ⇒ c = 6

The x- coordinate of the vertex is at the midpoint of the zeros, that is

m = \frac{-3-1}{2} = \frac{-4}{2} = - 2

Since the zeros are x = - 3 and x = - 1 then the factors are (x + 3), (x + 1) and

f(x) = a(x + 3)(x + 1) = a(x² + 4x + 3)

Comparing with f(x) = ax² + 8x + 6 ⇒ a = 2

Thus

f(x) = 2x² + 8x + 6

Substitute m = - 2 into the equation for value of n

n = 2(- 2)² + 8(- 2) + 6 = 8 - 16 + 6 = - 2

Hence

c = 6, m = - 2, a = 2, n = - 2

3 0
3 years ago
Read 2 more answers
If -<br> 3- 12, what is the value of x?<br> 4<br> 00<br> O 18<br> 0 24
malfutka [58]

Answer:

8

Step-by-step explanation:

\frac{2}{3} = \frac{x}{12}

We make the denominator the same by multiplying \frac{2}{3} by 4.

\frac{8}{12} = \frac{x}{12}

Thus, x = 8.

6 0
2 years ago
Is 3 x 10 to the 5th power real, imaginary, rational, or irrational?
chubhunter [2.5K]

Answer:

real

Step-by-step explanation:

300000

6 0
3 years ago
Whats the mathematical formula of a dodecahedron
yanalaym [24]
A regular dodecahedron is a regular polyhedron composed of 12 equally sized regular pentagons.
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3 years ago
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