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3 years ago

9

The perimeter of a triangle is 92 centimeters. if two sides are equally long and the third side is 8 centimeters longer than the

others, find the lengths of the three sides.

1 answer:

Dmitry [639]3 years ago

6 0

Nvm wait I read the question wrong. The real answer would be 28, 28, 36

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Can somebody plz help me [-5+(-7)]^2-(7+3)^2

Firdavs [7]

Answer:

$\boxed{44}$

Step-by-step explanation:

$[-5+(-7)]^2-(7+3)^2$

Resolving Parenthesis

$(-5-7)^2-(10)^2\\(-12)^2-100\\144-100$

=> 44

8 0

3 years ago

Read 2 more answers

Simplify the expression. <br> (m^2n^-5)/m^7n^-17

guapka [62]

$\dfrac{m^2n^{-5}}{m^7n^{-17}}=m^{2-7}n^{-5-(-17)}=m^{-5}n^{-5+17}=m^{-5}n^{12}\\\\=\dfrac{n^{12}}{m^5}\\\\Used:\\\\\dfrac{a^n}{a^m}=a^{n-m}\\\\a^{-n}=\dfrac{1}{a^n}$

4 0

3 years ago

The rectangle is 3 3⁄4 centimeters long and 2 1⁄2 centimeters wide. What is the area of this rectangle?

scZoUnD [109]

Answer:

The answer to your question is Area = 9 3/8

Step-by-step explanation:

Data

length = 3 3/4 cm

width = 2 1/2 cm

Process

1.- Write the equation of the Area of a rectangle

Area = length x width

2.- Convert the values to improper fractions

3 3/4 = (12 + 3)/ 4 = 15/4

2 1/2 = (4 + 1) / 2 = 5/2

3.- Substitution

Area = (15/4)(5/2)

4.- Simplification

Area = 75/8

5.- Convert to a mixed fraction

9

8 75

3

6.- Result

Area = 9 3/8

6 0

3 years ago

2. A motorcycle rider moving with initial velocity of 15.0 m/s uniformly accelerates to a speed of 30.0 m/s in a.

xenn [34]

Given :

Initial velocity , u = 15 m/s .

Final velocity , v = 30 m/s .

Distance travelled , d = 40 m .

Also , this body is uniformly accelerating .

To Find :

(a) What is the acceleration .

(b) How long does this take .

Solution :

Let , acceleration be a .

By , equation of motion :

$v^2-u^2=2ad\\\\a=\dfrac{v^2-u^2}{2d}\\\\a=\dfrac{30^2-15^2}{2\times 40}\\\\a=8.44\ m/s^2$

Also , by equation :

$v=u+at\\\\t=\dfrac{v-u}{a}\\\\t=\dfrac{30-15}{8.44}\ s\\\\t=1.78\ s$

Hence , this is the required solution .

3 0

3 years ago

Just look at the pic.

slava [35]

op say thank to me

Step-by-step explanation:

Mast hai bro

8 0

3 years ago