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3 years ago

Can somebody answer this question

Mathematics

2 answers:

Trava [24]3 years ago

7 0

I can’t really see please text it

lys-0071 [83]3 years ago

6 0

94.2?!? Or if it’s divided by 2 it’s 47.1?!??

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1. The distance in feet that Karina swims in a race is represented by 4d-4, where d is the distance for each lap. What is an exp

Romashka-Z-Leto [24]

Answer:

Step-by-step explanation:

1. 2( 2d + 2)

2.w + 12

3 0

3 years ago

B) Express 0.6363......as a rational number in its lowest term.

bulgar [2K]

Answer:

$\frac{7}{11}$

Step-by-step explanation:

We require 2 equations with the repeating digits (63) placed after the decimal point.

let x = 0.636363..... (1) multiply both sides by 100

100x = 63.6363... (2)

Subtract (1) from (2) thus eliminating the repeating digits

99x = 63 ( divide both sides by 99 )

x = $\frac{63}{99}$ = $\frac{7}{11}$ ← in simplest form

8 0

2 years ago

Please help me idk this

vichka [17]

Answer:

$\large\boxed{Surface\ Area=63\ cm^2}$

Step-by-step explanation:

We have

square with sides s = 3cm

four triangles with base b = 3cm and height h = 9cm.

The formula of an area of a square:

$A_\square=s^2$

The formula of an area of a triangle:

$A_\triangle=\dfrac{bh}{2}$

Substitute:

$A_\square=3^2=9\ cm^2\\\\A_\triangle=\dfrac{(3)(9)}{2}=\dfrac{27}{2}=13.5\ cm^2$

The Surface Area:

$S.A.=A_\square+4A_\triangle\\\\S.A.=9+4(13.5)=9+54=63\ cm^2$

5 0

3 years ago

What are the angles of 1 and 2

CaHeK987 [17]

geometry texts refer to an angle with a measure of 180° as a straight angle. In Figure 12 , ∠ BAC is a straight angle.

Step-by-step explanation:

4 0

3 years ago

Nadusha1986 [10]

Easy I think it is 14

6 0

3 years ago