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kenny6666 [7]
3 years ago
11

="absmiddle" class="latex-formula">
Mathematics
1 answer:
vodka [1.7K]3 years ago
7 0
Isolate the radical, then raise each side of the equation to the power of its index.
Exact Form:
x
=
3
+
√
5
2
,
3
−
√
5
2
x
=
3
+
5
2
,
3
-
5
2

Decimal Form:
x
=
2.61803398
…
,
0.38196601
…
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The graph on the left represents a system of
zalisa [80]

Answer:1. find the intersection, 2.) 0 and 1, 3,) 2 and 3, 4.) 0.4, 2.8

Step-by-step explanation:

8 0
3 years ago
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A rectangular prism with a length of 3cm, width of 4cm, and height of 5cm is packed with cubes whose side length is 1/2cm. how m
Dennis_Churaev [7]
Length = 3cm 
1/2 cm cube = 3 ÷ 1/2 = 3 x 2 = 6

Width = 4cm
1/2 cm cube = 4 ÷ 1/2 = 4 x 2 = 8

Height = 5cm
1/2 cm cube = 5 ÷ 1/2 = 5 x 2 = 10

Number o 1/2 cubes = 6 x 8 x 10 = 480
8 0
4 years ago
What does m represent in the equation y = mx+b?
NNADVOKAT [17]

Answer:

In the equation y = mx + b for a straight line, the number m is called the slope of the line

Step-by-step explanation:

8 0
3 years ago
The explicit rule for a sequence is given.
LenaWriter [7]

Answer:

a_{1} = 1/2

a_{n} = a_{n-1} * \frac{4}{3}

Step-by-step explanation:

plug 1 into a_{n}=1/2(4/3)^n−1  to find a_{1}

=1/2(4/3)^1−1

a_{1} = 1/2 (4/3)^0

a_{1} = 1/2 * 1

a_{1} = 1/2

a_{n} = a_{n-1} * r where r is the ratio

since (4/3) is being taken to an exponent, (4/3) is r

a_{n} = a_{n-1} * \frac{4}{3}

3 0
3 years ago
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A scale drawing of a square object has a scale of 1 in. : 5 mm. The scale drawing has a length of 2.5 inches. Find the perimeter
luda_lava [24]

Answer:

Perimeter and area of drawing

Perimeter= 10 In

Area = 6.25 In²

Perimeter and area of object

Perimeter = 51.836 mm

Area = 167.936 mm²

Step-by-step explanation:

We are dealing with a square object, so let's talk about the drawing first.

The length of one side = 2.5 In

Perimeter of square= 4L

Perimeter = 4*2.5

Perimeter= 10 In

Area = L*L

Area = 2.5*2.5

Area = 6.25 In²

Letd note that 1 inch =

25.4 millimetres

So 2.5 Inch = 2.5 * 25.4

2.5 In = 63.5 mm.

25.4 mm is to 5mm

63.5 mm is to (63.5*5)/24.5

63.5mm is to 12.959 mm

So the length of actual object is 12.959mm

The perimeter = 4*12.959

Perimeter = 51.836 mm

Area = 12.959²

Area = 167.936 mm²

7 0
3 years ago
Read 2 more answers
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