3 years ago

Subtact: (3x + 4) - (x + 2)

Mathematics

2 answers:

stiv31 [10]3 years ago

8 0

Ok this is the answer to this question 2(x+1)

netineya [11]3 years ago

8 0

2(x + 1) is the answer. next time use photomath

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Find the Perimeter of the figure below, composed of a rectangle and two semicircles. Round to the nearest tenths place.

NISA [10]

281.25 is the answer i think

5 0

2 years ago

Please help me find the surface area of the triangular prism ( number 3)

antiseptic1488 [7]

Check the picture below.

so the triangular prism is really 3 rectangles and two triangles stacked up to each other at the edges, so if we simply get the area of each figure individually and sum them up, that's the area of the prism.

let's notice, the triangles have a base of 2.4 and a height/altitude of 1.

$\bf \stackrel{\textit{2 triangles's area}}{2\left[ \cfrac{1}{2}(2.4)(1) \right]}~~+~~\stackrel{\textit{right rectangle}}{(2\cdot 1.5)}~~+~~\stackrel{\textit{left rectangle}}{(2\cdot 1.7)}~~+~~\stackrel{\textit{bottom rectangle}}{(2\cdot 2.4)} \\\\\\ 2.4+3+3.4+4.8\implies 5.4+8.2\implies 13.6$