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lara [203]
2 years ago
13

Factor the trinomial below. x^2 - 14x + 45

Mathematics
2 answers:
kondaur [170]2 years ago
8 0

Answer:

B, (x - 5)(x - 9)

Step-by-step explanation:

x^2 - 14x + 45

= (x - 5)(x - 9)

MissTica2 years ago
6 0

Answer:

B

Step-by-step explanation:

factors of 45 that when u multiply give u 45 when u add give u -14

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Given the perimeter of a rectangle is 96 meter and the length is twice the width, find the dimensions. Solve algebraically.
barxatty [35]
96 + 96
2(96x2) is the answer
7 0
3 years ago
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ANSWER ASAP PLEASE RIGHT ANSWER GETS BRAINLIST
Natasha_Volkova [10]

Answer:

2

Step-by-step explanation:

We can set up equation for this one.

Let's say the number is X.

the sum of X and 14 can be expressed as : X+14

five times the sum of X and 14 can be expressed as 5(x+14)

and 5(X+14) = 80

5(x+14) = 80\\x+14 = 80 \div 5 = 16\\x = 16-14 = 2

The number  is 2

8 0
2 years ago
A triangle has side lengths of (7x-4)(7x−4) centimeters, (x+3)(x+3) centimeters, and (3y+2)(3y+2) centimeters. Which expression
Papessa [141]

Answer:

<u>This assumes that the question was meant to read:</u>

"A triangle has side lengths of (7x−4) centimeters, (x+3) centimeters, and (<u>3x+2</u>) centimeters."  <u>And not </u>"A triangle has side lengths of (7x-4)(7x−4) centimeters, (x+3)(x+3) centimeters, and (3y+2)(3y+2) centimeters."

If the revision is correct, the perimeter is 11x + 1 cm

=============================================

<u>If the question was correctly written, then answer is:</u>

50x^2 - 50x + 9y^2  + 12 y  + 29

===============

Step-by-step explanation:

  (7x-4) cm

+ (x+3)  cm

<u>+ (3x+2) cm</u>

11x + 1 cm

If the question was correctly written as is, then:

(7x-4)(7x−4) = 49x^2 - 56x + 16

+(x+3)(x+3)    =     + x^2   + 6x   + 9

+(3y+2)(3y+2) = <u> +9y^2  + 12 y  + 4</u>

                         50x^2 - 50x + 9y^2  + 12 y  + 29 cm

                       

8 0
2 years ago
Solve the proportions using cross products. Round to the nearest hundredth is necessary. 21miles/49hours = 15miles h hours
SSSSS [86.1K]

\dfrac{21}{49}=\dfrac{21:7}{49:7}=\dfrac{3}{7}\\\\\dfrac{21}{49}=\dfrac{15}{h}\to\dfrac{3}{7}=\dfrac{15}{h}\qquad\text{cross multiply}\\\\3h=(7)(15)\\\\3h=105\qquad\text{divide both sides by 3}\\\\\boxed{h=35}\\\\Answer:\ 35\ hours

8 0
3 years ago
What expression is equivalent to 3(5+4)? A)15+12<br> B)15+4<br> C)8+7<br> D)8+4
valentina_108 [34]

Answer:

A)15+12

hope it helps...

6 0
3 years ago
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