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elena-14-01-66 [18.8K]
2 years ago
15

Find the area of the trapezoid. Leave your answer in simplest radical form

Mathematics
1 answer:
Alex777 [14]2 years ago
4 0

Answer: Im Not really sure but the answer is 303.66

Step-by-step explanation: A=a+b

2h=19+29.2

2·12.6=303.66

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Solve the equation for y. This will put the equation into slope intercept form.

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2 years ago
teachers divides students into groups of 3. each group of 3 wrote a report that had 9 pictures in it. the students used 585 pict
Veseljchak [2.6K]

Answer:

585/3 = 195 students

Step-by-step explanation:Each group of three created (or used) 9 pictures, so that means three pictures per student.

 

Dividing 585 students by 3 pictures per student means that there are 585/3=195 students.

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2 years ago
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Write the expression as a square of a binomial if possible: 1/9 x^2+ 2/15 x y+ 1/25 y^2
Vsevolod [243]

Answer:  \bold{\bigg(\dfrac{1}{3}x+\dfrac{1}{5}y\bigg)^2}

<u>Step-by-step explanation:</u>

The square of the trinomial exists only if (a + b)² = a² + 2ab + b²

\dfrac{1}{9}x^2+\dfrac{2}{15}xy+\dfrac{1}{25}y^2\\\\\\a=\sqrt{\dfrac{1}{9}x^2}=\dfrac{1}{3}x\\\\\\b=\sqrt{\dfrac{1}{25}y^2}=\dfrac{1}{5}y\\\\\\2\cdot a\cdot b=2\cdot \dfrac{1}{3}x\cdot \dfrac{1}{5}y = \dfrac{2}{15}xy\\\\\text{So, }\dfrac{1}{9}x^2+\dfrac{2}{15}xy+\dfrac{1}{25}y^2=\bigg(\dfrac{1}{3}x+\dfrac{1}{5}y\bigg)^2\\

4 0
3 years ago
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Alenkasestr [34]

To solve for the mass of a substance is to simply get the product of volume and density, that is:

mass = density * volume

 

So calculating for mass:

mass = (2.76 g / cm^3) * 6 cm^3

<span>mass = 16.56 g</span>

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2 years ago
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