3 years ago

Can someone please help me with this

Mathematics

2 answers:

Iteru [2.4K]3 years ago

8 0

The answer is 5 3/4.............

bezimeni [28]3 years ago

5 0

Answer:

Choice C. 5 $\frac{3}{4}$ $feet^{2}$

Step-by-step explanation:

Surface Area

A = 2lw + 2lh + 2wh

l = 2ft

w = $\frac{3}{4}$

h = $\frac{1}{2}$

A = 2(2)( $\frac{3}{4}$ ) + 2(2)( $\frac{1}{2}$ ) + 2( $\frac{3}{4}$ )( $\frac{1}{2}$ )

A = 3 + 2 + $\frac{3}{4}$

A = 5 $\frac{3}{4}$ $feet^{2}$

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the side length of a square with an area of 19 square units is 19 square root. The 19 square roots is an irrational number betwe

elena55 [62]

$\text{We know}\ \sqrt{a}=b\ if\ b^2=a\\\\4 < \sqrt{19} < 5\ \text{because}\\\\4^2 < (\sqrt{19})^2 < 5^2\\\\16 < 19 < 25\to\sqrt{16} < \sqrt{19} < \sqrt{25}$

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3 years ago

-7(x + 1) - 3 = -8x + 11

devlian [24]

Answer:

x = 21

Step-by-step explanation:

-7 ( x + 1 ) - 3 = -8x + 11

-7x - 7 - 3 = -8x + 11

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7 0

3 years ago

Read 2 more answers

Kevin drew a diagonal inside a quadrilateral. He realizes the it always make 2 congruent isosceles triangleso. What kind of quad

olya-2409 [2.1K]

Answer:

The square is the quadrilateral.

Step-by-step explanation:

A quadrilateral is a 2 dimensional geometric shape. It has four sides which may be or may not be equal.

If a quadrilateral is a square and we make its diagonal so that we get two triangles.

These two triangles are isosceles triangle as the two sides are equal and the square has four equal sides and the triangles are congruent to each other.

here, the triangles ABC and ADC are congruent and isosceles.