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Mathematics

1 answer:

MAVERICK [17]3 years ago

8 0

65 x .12 = 7.865 - 7.8 = 57.2

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Please help me! thanks :)

inna [77]

The sum of the measures of the angles of a triangle is 180 degrees.

Angles STU and STR are supplementary angles.
Angles R and STR are congruent.

m<STU + m<STR = 180

8x + m<STR = 180

m<STR = 180 - 8x

m<R = m<STR = 180 - 8x

m<RST + m<R + m<STR = 180

7x - 54 + 180 - 8x + 180 - 8x = 180

-9x + 360 = 180

-9x = -126

x = 14

4 0

3 years ago

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Trying to work out the perimeter of the total area & the area of the seating space and keep getting the wrong answers:

Elena-2011 [213]

A is the correct answer I believe

3 0

2 years ago

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What is the volume of 1.5 Tonne of sand of density 2600 kg/m3? <br>

Mrac [35]

Answer: 0.58 m^3

Step-by-step explanation:

V= 2600 / 1500

= 0.58 m^3

5 0

2 years ago

What is the simplified form of the following expression? Assume x greater-than-or-equal-to 0 and y greater-than-or-equal-to 0 2

finlep [7]

To solve such questions we need to know more about expression.

<h2 /><h2>Expression </h2>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations that are formed according to rules which are dependent on the context.

<h2 /><h2 /><h2>Given to us,</h2>

$2\sqrt[4]{16x}-2\sqrt[4]{2y}+3\sqrt[4]{81x}-4\sqrt[4]{32y}+5\sqrt[4]{x}-4\sqrt[4]{32y}+5\sqrt[4]{x}-16\sqrt[4]{2y}+13\sqrt[4]{4}-10\sqrt[4]{2y}+35\sqrt[4]{x}-18\sqrt[4]{2y}$

rearranging we get,

$=2\sqrt[4]{16x}+3\sqrt[4]{81x}+5\sqrt[4]{x}+5\sqrt[4]{x}+13\sqrt[4]{4}+35\sqrt[4]{x}-2\sqrt[4]{2y}-4\sqrt[4]{32y}-4\sqrt[4]{32y}-16\sqrt[4]{2y}-10\sqrt[4]{2y}-18\sqrt[4]{2y}$

we know that,

$\sqrt[4]{81}=3\\\sqrt[4]{16}=2\\\sqrt[4]{32}=2\sqrt[4]{2}\\$

therefore,

$=4\sqrt[4]{x}+9\sqrt[4]{x}+5\sqrt[4]{x}+5\sqrt[4]{x}+13\sqrt[4]{x}+35\sqrt[4]{x}-2\sqrt[4]{2y}-8\sqrt[4]{2y}-8\sqrt[4]{2y}-16\sqrt[4]{2y}-10\sqrt[4]{2y}-18\sqrt[4]{2y}$