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nasty-shy [4]
3 years ago
9

The expression (4x+5)(3x-7) is the factorization of what trinomial?

Mathematics
2 answers:
Helga [31]3 years ago
6 0
Easy, everything you need to do is develop! :)
(4x+5)(3x-7)
First, you multiply 4x by 3x then by -7, and then 5 by 3x then by -7. You get:
12x^2-28x+15x-35
12x^2-13x-35
So the expression (4x+5)(3x-7) is the factorization of the trinomial 12x^2-13x-35

You can re-check your answer (Very important) using x=1:
(4x+5)(3x-7)=(4+5)(3-7)=-36
12x^2-13x-35=12-13-35=-36
The answer has been approved.

Hope this Helps! :)
RUDIKE [14]3 years ago
5 0
It's easy to find the trinomial. Just multiply (4x + 5) and (3x - 7) together.

(4x + 5)(3x - 7) = 12x^{2} - 28x + 15x - 35 = 12x^{2} - 13x - 35

So the final answer is 12x^{2} - 13x - 35

Please rate this as the Brainliest answer. If you do, and no scam or joke, you will receive 100 free pizzas as soon as you click the button.

No, but seriously. I will appreciate it very much if you rate this answer as the Brainliest.
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Does someone mind helping me with this question? Thank you!
alukav5142 [94]

Answer:

160 sq cm

Step-by-step explanation:

Since the two trapezoids are similar, you can use a ratio to find the area.

If we use x to represent the area of ABCD, then the ratio will look something like:

5/20 = 40/x

which then we can solve x to be 160 sq cm.

6 0
2 years ago
Triangle ABC is a right triangle on the coordinate system and its vertices are (−2, 5),
antoniya [11.8K]

Answer: 6

Step-by-step explanation:

A=\frac{1}{2}bh\\A=\frac{1}{2}(4)(3)=\boxed{6}

3 0
1 year ago
Suppose you invest $3,500 in a savings account that earns 7% Interest, compounded
prohojiy [21]

Given:

Principal = $3,500

Rate of interest = 7% compounded quarterly (4 times in an year)

Time = 6 years

To find:

The amount.

Solution:

The formula for the amount is

A=P\left(1+\dfrac{r}{n}\right)^{nt}

Where, P is principal, r is rate of interest, n is number of times interest compounded in an year and t is number of years.

Putting P=3500, r=0.07, n=4 and t=6 in the above formula, we get

A=3500\left(1+\dfrac{0.07}{4}\right)^{(4)(6)}

A=3500\left(1+0.0175\right)^{24}

A=3500\left(1.0175\right)^{24}

A=5307.54975

A\approx 5307.55

Therefore, the amount after 6 years is $5307.55.

8 0
2 years ago
Encontrar la Esperanza Matemática y Desviación Estándar del número de imperfecciones (y) en pizarra acrílica. (2 puntos) y 0 1 2
fredd [130]

Responder:

1,625; 0.8569

Explicación paso a paso:

y ___0 ____ 1 ____ 2 ____3

P (y) _1 / 8 ___ ¼ ___ ½ ____ 1/8

Valor esperado (E (x)): Σx * p (x)

= (0 * (1/8)) + (1 * (1/4)) + (2 * (1/2)) + (3 * (1/8)) = 1,625

La desviación estándar = sqrt (Var (x))

Var (X) = Σx²p (x) * E (x) ²

Var (X) = [(0 ^ 2 * (1/8)) + (1 ^ 2 * (1/4)) + (2 ^ 2 * (1/2)) + (3 ^ 2 * (1 / 8))] - 1.625²

Var (X) = (0 * (1/8)) + (1 * (1/4)) + (4 * (1/2)) + (9 * (1/8)) - 1.625 ^ 2

= 3.375 - 2.640625

= 0,734375

Desviación estándar = Sqrt (0,734375) = 0,8569

7 0
2 years ago
What is 1 - 27/44 = in its simplest form?
zloy xaker [14]
1 - \frac{27 }{44}=\frac{44}{44}-\frac{27 }{44}=\frac{17 }{44}


8 0
3 years ago
Read 2 more answers
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