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kolezko [41]
3 years ago
14

Select the correct answer.

Mathematics
1 answer:
Inessa05 [86]3 years ago
6 0

Answer:

A.

Step-by-step explanation:

6^(1-1) + 6^(2-1) + 6^(3-1) + 6^(4-1)

= 1 + 6 + 36 + 216

= 259.

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HELP ME ON THIS PLEASE!!!! SHOW WORK!!!!
Mumz [18]

Answer:

<h2>1. x = 4</h2><h2>2. x = 20</h2>

Step-by-step explanation:

1.

ΔABC and ΔAJK are similar (AA). Therefore the sides are in proportion:

\dfrac{AC}{AJ}=\dfrac{AB}{AK}

We have:

AC = 1 + 4 = 5

AJ = 1

AB = 1 + x

AK = 1

Substitute:

\dfrac{5}{1}=\dfrac{1+x}{1}

5=1+x           <em>subtract 1 from both sides</em>

4=x\to x=4

2.

ΔVUT and ΔVMN are similar (AA). Therefore the sides are in proportion:

\dfrac{VU}{VM}=\dfrac{VT}{VN}

We hve:

VU = x + 8

VM = x

VT = 49

VN = 49 - 14 = 35

Substitute:

\dfrac{x+8}{x}=\dfrac{49}{35}              <em>cross multiply</em>

35(x+8)=49x          <em>use the distributive property a(c + b) = ab + ac</em>

35x+280=49x              <em>subtract 35x from both sides</em>

280=14x         <em>divide both sides by 14</em>

20=x\to x=20

3 0
3 years ago
Please help!! I need to make up my own formula with LENGTH X WIDTH, can someone please help me!!!
damaskus [11]

Answer:

A = s²

Step-by-step explanation:

A = s² where s represents the side lengths

Since the side lengths of a square are always the same, you can use the formula A = s² for a square instead of using A=l(w)

8 0
3 years ago
A telephone pole is 24 feet tall. Curtis, who is standing some distance away from the telephone pole measures the angle of eleva
taurus [48]

The distance from the base of the telephone pole to Curtis is about 15 feet.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more number and variables.

Trigonometric ratio is used to show the relationship between the sides and angles of a right angled triangle.

Let d represent the distance from the base of the telephone pole to Curtis, hence:

tan(51.4) = (24 - 5.2) / d

d = 15 feet

The distance from the base of the telephone pole to Curtis is about 15 feet.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

4 0
2 years ago
Someone help please, i cant solve this one :|
andrey2020 [161]

Answer:

i think its B

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find the volume of each sphere 40mm
Anastasy [175]

The formula for finding the volume of a sphere is V=\frac{4}{3} \pi r^3

If 40mm is the radius of the sphere, the volume will be about 2.68\times10^5mm.

5 0
2 years ago
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