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2 years ago

Please help thank u i will give 15 points + branliest

Mathematics

2 answers:

FromTheMoon [43]2 years ago

7 0

Answer:

the answer is d

Step-by-step explanation:

its the only answer that makes sense in my opinion

Dovator [93]2 years ago

6 0

The equation that can be used to find the price of x of each pizza would be 3(x+2)=42. I think

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The total surface is 22.8 units is the answer

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2 years ago

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What are the area and perimeter of square BCDE

s2008m [1.1K]

The answer is 16
4+4+4+4=16

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2 years ago

What is an equation of a line which passes through (6,9) and is perpendicular to the line whose equation is 4x − 6y = 15?

Svetllana [295]

Given:

The equation of the line passes through the point (6,9) and is perpendicular to the line whose equation is $4 x-6 y=15$

We need to determine the equation of the line.

Slope:

Let us convert the equation to slope - intercept form.

$-6 y=15-4x$

$y=\frac{2}{3}x-\frac{5}{2}$

From the above equation, the slope is $m_1=\frac{2}{3}$

Since, the lines are perpendicular, the slope of the line can be determined using the formula,

$m_1 \cdot m_2=-1$

$\frac{2}{3} \cdot m_2=-1$

$m_2=-\frac{3}{2}$

Therefore, the slope of the equation is $m=-\frac{3}{2}$

Equation of the line:

The equation of the line can be determined using the formula,

$y-y_1=m(x-x_1)$

Substituting the point (6,9) and the slope $m=-\frac{3}{2}$ in the above formula, we get;

$y-9=-\frac{3}{2}(x-6)$

Simplifying the terms, we get;

$2(y-9)=-3(x-6)$

$2y-18=-3x+18$

$3x+2y=36$

Thus, the equation of the line is $3x+2y=36$

3 0

2 years ago

I forgot to bring pen and paper lol If u click there will be pic ;)

creativ13 [48]

Answer:

99,117

Step-by-step explanation:

1) Use the partial sum method.

1 8 4 9 2

+ 8 0 6 2 5

9 0 0 0 0 (10000+80000)

8 0 0 0 (8000+0)

1 0 0 0 (400+600)

1 1 0 (90+20)

7 (2+5)

----------------------------------

9 9 1 1 7

6 0

1 year ago

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If s(x)=x-7 and t(x) =4x^2+3 which expression is equivalent to (t×s)(x)

marshall27 [118]

Answer:

$\large\boxed{(t\times s)(x)=4x^3-28x^2+3x-21}$

Step-by-step explanation:

$s(x)=x-7\\t(x)=4x^2+3\\\\(t\times s)(x)=t(x)\times s(x)\\\\\text{Substitute:}\\\\(t\times s)(x)=(4x^2+3)(x-7)\\\\\text{use FOIL:}\ (a+b)(c+d)=ac+ad+bc+bd\\\\(t\times s)(x)=(4x^2)(x)+(4x^2)(-7)+(3)(x)+(3)(-7)\\\\=4x^3-28x^2+3x-21$

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2 years ago