2 years ago

Which figure always has exactly one line of symmetry?

1 answer:

4 0

Trapezoid only has one because sides are slanted

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Solnce55 [7]

In this question they've given us the formula and they just want us to plug in the numbers and get the value.

P is the original value, P=$600

r is the depreciation rate, r=10%=0.1

t is the time in years, t=2

$A = P(1-r)^t = 600(1 - 0.1)^2 = 600 \cdot .9^2 = 486$

Answer: $486

7 0

2 years ago

AVprozaik [17]

The angles will add up to 180 degrees.

7 0

2 years ago

Alexeev081 [22]

Answer:

$4$

Step-by-step explanation:

Given: $f(x)=4x-2$

To find: average rate of change of the function $f(x)=4x-2$ over the interval $x=-1$ and $x=2$

Solution:

Take $a=-1,\,b=2$

Find $f(a),\,f(b)$

$f(a)=f(-1)\\=4(-1)-2\\=-4-2\\=-6\\\\f(b)=f(2)\\=4(2)-2\\=8-2\\=6$

Average rate of change of the function $=\frac{f(b)-f(a)}{b-a}$

$=\frac{f(2)-f(-1)}{2-(-1)}\\\\=\frac{6-(-6)}{3} \\\\=\frac{12}{3}\\\\=4$

7 0

2 years ago

Westkost [7]

Using a calculator: cos 70 deg = 0.342. Note: it sounds as tho' you were given several answer options. Where are they?

6 0

3 years ago

Alexeev081 [22]

He scored 51
explanation:
60 x 0.85 = 51

8 0

2 years ago