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3 years ago

Which statement could be used to conclude that this parallelogram is a rhombus?

Mathematics

2 answers:

cricket20 [7]3 years ago

8 0

Answer

its just A, he explained to much

BaLLatris [955]3 years ago

7 0

A parallelogram is a quadrilateral with two opposite sides equal in lengths while a rhombus is a parallelogram with the two sets of opposite sides equal to each other. A rhombus forms perpendicular bisectors when <span>diagonals are intersected with each other. Answer then is A</span>

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In a city the population is increasing exponentially at a rate of 1.6% per year.

SCORPION-xisa [38]

Answer:

37.36%

Step-by-step explanation:

Each year it increases 1.6%.

So year 1 it increases (1+1.6%), year 2 increases (1+1.6%)^2 and so on...

so after 20 years, overall increase is found by 1.016^20 = 1.3736 or increase of 37.36%

please give thanks :)

3 0

3 years ago

Read 2 more answers

Write the equation of the line perpendicular to 2x+3y=9 that passes through (-2,5). Write your answer in slope-intercept form. S

Harman [31]

ANSWER

$y = \frac{3}{2} x + 8$

EXPLANATION

The line given to us has equation,

$2x + 3y = 9$

We need to write this equation in the slope intercept form to obtain,

$3y = - 2x + 9$

$\Rightarrow \: y = - \frac{2}{3}x + 3$

The slope of this line is

$m_1 = - \frac{2}{3}$
Let the slope of the perpendicular line be

$m_2$

Then
$m_1 \times m_2 = - 1$

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

This implies that,

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

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

Let the equation of the perpendicular line be,

$y = mx + b$

We substitute the slope to get,

$y = \frac{3}{2} x + b$

Since this line passes through
$(-2,5)$
it must satisfy its equation.

This means that,

$5= \frac{3}{2} ( - 2)+ b$

$5 = - 3 + b$

$5 + 3 = b$

$b = 8$

Wherefore the slope-intercept form is

$y = \frac{3}{2} x + 8$

6 0

3 years ago

Notebook cost $8.50 plus sales tax. After sales tax, The Notebook is $8.86. What is the sale tax rate?

statuscvo [17]

Answer:what is 86-50=36 us the tax rate

Step-by-step explanation:

5 0

3 years ago

The food stand at the zoo sold 2,514 pounds of hamburger last month. The average cost a pound of hamburger $2. Jeremy estimates

sergiy2304 [10]

That is about right... 2,514 X 2 = 5,028 so he is about 1,000 off. I will leave the rest to you.

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3 years ago

WHICH ONE DOESN'T BELONG? Which figure does not belong with the other three? Explain your reasoning.

juin [17]

The sphere. All the others are prisms.

5 0

3 years ago