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Anna35 [415]
3 years ago
5

PLZ HELP FAST!!!!!!!

Mathematics
2 answers:
nikklg [1K]3 years ago
8 0

Answer:

The answer is 81^2 I took the test

Step-by-step explanation:

Zanzabum3 years ago
3 0
Corresponding sides have a ratio of 18/54 = 1/3. Thus the area will have a ratio of (1/3)^2 = 1/9.

The smaller triangle has an area of
.. (1/9)*729 cm^2 = 81 cm^2 . . . . . . . . . . . . . . corresponds to the 4th selection
You might be interested in
Give another name for line b
k0ka [10]

Answer:

line segment b

i don't know

Step-by-step explanation:

6 0
3 years ago
The amount of $15,000 is invested in two funds paying 2% and 5% simple interest. If the annual interest is $540, how much of the
Lostsunrise [7]

Answer:

The amount $15000 is divided as

in 2% = $7000

in 5% = $8000

Step-by-step explanation:

It is given that the total amount is $15000 and rates of interests are 2% and 5%.

<em>Let the amount invested in 2% be "x", so the amount invested in 5% is (15000 - x).</em>

The annual interest on x part is given as,

= (\frac{2}{100})(x)

Similarly, The annual interest on (15000 - x) part is given as,

=  (\frac{5}{100})(15000 - x)

the total annual interest is given as $540

Thus, <em>540 = (\frac{5}{100})(15000 - x) + (\frac{2}{100})(x)</em>

<em>54000 = 2(x) + 75000 - 5(x)</em>

<em>21000 = 3(x)</em>

x = \frac{21000}{3} = 7000

Thus the shares are $7000 and (15000 - 7000) $8000 .

8 0
3 years ago
The graph of a line passes through the points (0, -2) and (6.0). What is
9966 [12]

Answer:

y=\frac{1}{3}x-2

Step-by-step explanation:

The equation of a line is given in the form  y=mx+b

Where

m is the slope with formula  m=\frac{y_2-y_1}{x_2-x_1}

and

b is the y-intercept [y axis cutting point of line]

Given the two points (0, -2) and (6,0),

x_1 = 0

y_1 = -2

x_2 = 6

y_2 = 0

Now, we find m using formula:

m=\frac{0+2}{6-0}=\frac{1}{3}

Now we have

y=\frac{1}{3}x+b

Finding b, we plug in any (x,y) point. Lets put (6,0) and find b:

y=\frac{1}{3}x+b\\0=\frac{1}{3}(6)+b\\0=2+b\\b=-2

Thus,

equation of line = y=\frac{1}{3}x-2

5 0
3 years ago
Find x❤❤<br><br> I Will mark brainliest who answer first
andre [41]

Value of x is 35°

Step-by-step explanation:

  • Step 1: Since the line segment is a perpendicular bisector, the angle formed is equal to 90° and two triangles are also formed.

Find x using the property of triangles that sum of angles of a triangle is 180°

⇒ x° + 55° + 90° = 180°

⇒ x° + 145° = 180°

∴ x = 180 - 145 = 35°

8 0
3 years ago
Complete the recursive formula of the geometric sequence -0.3, 0.9, -2.7, 8.1. ....
SSSSS [86.1K]

Answer:

(-1)ⁿ(3)ⁿ/10

Step-by-step explanation:

The first term a = 0.3, the second term, ar = 0.9. The common ratio r = ar/a = 0.9/-0.3 = -3.

From the general term of a geometric series,

U = arⁿ⁻¹

= (0.3)(-3)ⁿ⁻¹

= (3/10)(-3)ⁿ⁻¹

= (-1)ⁿ⁻¹(3)(3)ⁿ⁻¹/10

= (-1)ⁿ(3)ⁿ/10

5 0
3 years ago
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