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4 years ago

Find the missing length.

Mathematics

2 answers:

lutik1710 [3]4 years ago

8 0

Answer:

Step-by-step explanation:

10 divided by 2 is 5. 6 divided by 2 is 3. 5 times 5 is 25 and 3 times 5 is 15

Vera_Pavlovna [14]4 years ago

8 0

Answer:

Step-by-step explanation:

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A tree casts a shadow 27 m long. At the same time, the shadow cast by a 66-cm tall statue is 56 cm long. Find the height of the

Nata [24]

$\frac{height _{1} }{shadow_{1}} = \frac{height _{2} }{shadow_{2}}$

$\frac{height _{1} }{27m} = \frac{66cm}{56cm}$

$\frac{height _{1} }{2700cm} = \frac{66cm}{56cm}$

$2700*66=56*h _{1}$

$178200=56h _{1}$

$3182.1cm=h _{1}$

$\frac{3182.1cm}{1000cm} = 3.2m$

$height:3.2m$

6 0

3 years ago

Read 2 more answers

Find all angle measures

Natali [406]

Answer:

1=90

2=68

3=112

4=112

5=68

6=68

7=112

8=112

3 0

3 years ago

a cylinder with base are 169π ft^2 and a height twice the radius. what is the lateral area and surface area of the cylinder

Morgarella [4.7K]

$Area\ of\ base:A_B=169\pi\ ft^2\\\\A_B=\pi r^2\ \ \ (r-radius)\\\\\pi r^2=169\pi\ \ \ /:\pi\\\\r^2=169\\\\r=\sqrt{169}\\\\r=13\ (ft)\\\\H=2r\to H=2\cdot13=26\ (ft)$

$
lateral\ area:A_L=2\pi rH\\\\A_L=2\pi\cdot13\cdot26=676\pi\ (ft^2)\\\\Surface\ area:A_S=2A_B+A_L\\\\A_S=2\cdot169\pi+676\pi=338\pi+676\pi=1014\pi\ (ft^2)$

5 0

3 years ago

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Type the correct answer in the box. Use numerals instead of words. Tony bought a new car at a cost of $20,000. The value of the

Over [174]

9514 1404 393

Answer:

A(x) = 20000(0.88)^x

Step-by-step explanation:

The general form of these exponential equations is ...

A(x) = a·b^x

where 'a' is the initial value, and b is the annual growth factor. x is the elapsed time in years.

The growth factor is ...

growth factor = 1 + growth rate

Here, the growth rate per year is -12%, so the growth factor is ...

b = 1 -12% = 88% = 0.88

Of course, the initial value is a=20,000, so the equation is ...

A(x) = 20000(0.88)^x

8 0

3 years ago

The value of y varies directly with x. If x = 6, then y = 27. What is the value of y when x = 10 ?

Alik [6]

B - 45 because 27 divided by 6 is 4.5 and then 10x4.5=44

7 0

3 years ago