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Scrat [10]
2 years ago
7

Find the surface area - PLSS HELPP AND HURRY PLS

Mathematics
2 answers:
Tom [10]2 years ago
7 0

Answer: 390in^2

Step-by-step explanation:

2(14 x 3) + 2(9 x 3) + 2(14 x 9)

84 + 54 + 252 = 390 in^2

mafiozo [28]2 years ago
6 0

Answer:

A = 390

Step-by-step explanation:

l=14

w= 3

h= 9

A= 2 (wl+hl+hw) = 2 (3.14+9.14+9.3) = 390

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Which statements are true? PLEASE HELP
hram777 [196]

Answer:

XW = SR THATS IT I THINK??

6 0
3 years ago
Nhich equation results from taking the square root of both sides of (x+9)2=25
ale4655 [162]

Answer:

square root of 25=5 and square root of (x+9)=(x+9) so the answer is.... x+9=+-5

Step-by-step explanation:

3 0
3 years ago
I need help with these questions<br> For 21)<br> A:y=x+4<br> B:y=2x<br> C:2x+2<br> D:2/3x+1
gtnhenbr [62]
19.
Option (B) is the correct one.

Explanation:

The equation of line be is ,
y = 2x-4,

we have general equation give by,
y = mx +c

wherr m is the slope of the line and x and y are the coordinates changing,

Comparing these two we get the slop of line B as 2.

A thing you need to know here that product of slopes of a line perpendicular to another is -1.
Using this relation,

The slope of line a will be -1/2.

Let A pass through a coordinate (x,y).

Now,

Slope will be give by,
\frac{y - 1}{x +2} = - \frac{1}{2} \\ y - 1= - \frac{x}{2} - 1 \\ y = - \frac{x}{2}

20.
Option (A) is the correct one.

How?:

Equation of line B is y = 3x-1.

Once again using the general equation for a line,
y =mx+c
Slope of B will be 3.

Now for a pair of parallel lines their slopes are equal.

So,
Slope of A must also be 3.

Applying the generation equation for a line on A gives,

y = 3x+c

Since A is passing though coordinates (2,4) the values must satisfy this equation,

So we have,

4 = 2(3) + c \\ c = 4 - 6 = - 2
Now that we have value for c.
We can get the the equation we need.
So we have,

y = 3x -2.

Hope it helps.
5 0
4 years ago
Are the triangle below similar
sweet [91]

Answer:

Yes ,because of SAS similarity theorem

Step-by-step explanation:

In ΔYOM , ΔTON

∠YOM = ∠TON        

\frac{OY}{OT}=\frac{96}{84}=\frac{8}{7}\\\\\frac{OM}{ON}=\frac{104}{91}=\frac{8}{7}

SAS similarity theorem

4 0
3 years ago
Read 2 more answers
1. Directions: Type the correct answer in each box. Use numerals instead of words.
Vsevolod [243]
I think that the answer to the question is 8cm

5 0
4 years ago
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