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2 years ago

placing 12 tiles side by side, Pete can make a 12-by-1 rectangle. Name two other rectangles Pete can make with 12 tiles

Mathematics

1 answer:

sweet [91]2 years ago

6 0

6x2
3x4
.............................

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Write 9− 16x⁴ as the product of two factors.

Marysya12 [62]

Answer:

The two factors will be $=(3+4x^2)\ and\ (3-4x^2)$

Step-by-step explanation:

We have given the equation $9-16x^4$

We know the algebraic equation $a^2-b^2=(a+b)(a-b)$

As $9-16x^4$ can be written as $3^2-(4x^2)^2$ , as square of 3 is 9 and square of $4x^2$ is $16x^4$

So $9-16x^4=3^2-(4x^2)^=(3+4x^2)(3-4x^2)$

So the two factors will be $=(3+4x^2)\ and\ (3-4x^2)$

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2 years ago

A teacher polled only the 8th grade students in English classrooms on what their favorite color is. She found that the favorite

Sergeeva-Olga [200]

Self-selected sample

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2 years ago

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Find f(-2)for f(x)=5*3^x

damaskus [11]

f ( - 2 ) = 5 × 3^( - 2 )

f ( - 2 ) = 5 × 1/9

f ( - 2 ) = 5/9

5 0

2 years ago

85% of the students in Yvan’s school walk to school. If 816 students walk to school, how many students are in the school?

storchak [24]

<h2>Hello There today we will solve your problem</h2>

$\huge\red{\mid{\underline{\overline{\textbf{QUESTION}}}\mid}}$

<em>85% of the students in Yvan’s school walk to school. If 816 students walk to school, how many students are in the school?</em>

<em />

<em>Response-</em>

Since we are using percents we can make an equation out of this question

$\frac{85}{100}=\frac{816}{x}$

$\frac{85}{100}$ is the way we write percents in math as a fraction

and $\frac{816}{x}$ is the part and whole you gave us

$\frac{85}{100}=\frac{816}{x}$ cross multiply

$85x=81600\\divide\\x=960$ students are in the school

$\huge\blue{\mid{\fbox{\tt{ANSWER}}\mid}}$

$960$ students at Y'vans school

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2 years ago

-4x - 5y=-7<br> -x+5y=17

ahrayia [7]

Answer:

X=-2,y=3

Step-by-step explanation:

8 0

2 years ago