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2 years ago

Mhanifa can you please help! I really need it and I don’t want random answers. I will mark brainliest! Thanks!

Mathematics

1 answer:

exis [7]2 years ago

3 0

Answer:

Use slope formula

m = (y2 - y1)/(x2 - x1)
m = (-2 - 6)/(3 - 7) = -8 / -4 = 2
m = 2

Angles 2 and 6 are on the corresponding sides of the parallel lines, hence are corresponding angle

Correct option is

A. Corresponding

Congruent triangles have congruent corresponding parts

ΔABC ≅ Δ GHI
AB≅GH
AB = GH = 13

Correct choice is

B. 13

Option b is correct for any line and doesn't make the lines parallel. The rest of the options are correct for parallel lines.

Correct option is the last one:

a, c & d

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dalvyx [7]

Answer:

The answer would be: D. (1,2) and (2,-1)

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2 years ago

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The polynomial f(x) leaves a remainder of - 3 and - 7 when divided by (3x - 1) and (x +1) respectively.

olga55 [171]

Step-by-step explanation:

Here, f(x) is the given polynomial.

By remainder Theorem,

When divided by (3x-1),

f(1/3) = -3........(1)

When divided by (x+1),

f(-1) = -7.........(2)

Another polynomial is 3x²+2x-1

Solving,

3x²+2x-1

= 3x²+3x-x-1

=3x(x+1)-(x+1)

=(3x-1)(x+1)

f(x) = (3x-1)(x+1)Qx + (ax+b)

For f(-1),

-7 = -a+b

b= a-7

For f(1/3),

-3 = a/3+b

or, -3 = a/3+a-7

or, 4×3 = 4a

or a = 3

Also, b = 3-7 =-4

Hence, remainder is (3x-4)

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2 years ago

Please help solve this

8090 [49]

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2 years ago

El ingreso de una empresa de construcción de obras civiles se estima a través del tiempo de acuerdo con la siguiente función I(t

brilliants [131]

Usando conceptos de funciones cuadráticas, se encuentra que:

El máximo ingreso será alcanzado en 6 años.

El máximo ingreso será de 800 miles de soles.

La función que estimate el tiempo es dada por:

$I(t) = -64 + 288t - 24t^2$

Que es una función cuadrática con coeficientes $a = -24, b = 288, c = -64$ .

El año en qué se alcanzará el máximo ingreso es el valor de t de el vertice, o sea:

$t_V = -\frac{b}{2a} = -\frac{288}{2(-24)} = \frac{288}{48} = 6$

El máximo ingreso será alcanzado en 6 años.

El valor del máximo ingreso es el valor de I de el vertice, o sea:

$I_v = -\frac{\Delta}{4a} = -\frac{b^2 - 4ac}{4a}$

Entonces:

$I_v = -\frac{288^2 - 4(-24)(-64)}{4(-24)} = 800$

El máximo ingreso será de 800 miles de soles.

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2 years ago

The ratio of boys to girls in Ms. Thames's class is 2 to 3. There are 18 girls in the class. What is the total

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