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faust18 [17]
3 years ago
7

PLZ HELP ME I BEG U 50 pints

Mathematics
2 answers:
Lana71 [14]3 years ago
8 0

Answer:

Solution given;

perimeter of triangle=20+20+24=64mm

height of triangle =16mm

length of rectangle=23mm

breadth of rectangle=24mm

we have

Total surface area=perimeter of triangle *length + 2*area of rectangle

=64*23+2*23*24=2576mm²

S<u>u</u><u>r</u><u>f</u><u>a</u><u>c</u><u>e</u><u> </u><u>area</u><u>=</u><u>2576mm²</u>

yarga [219]3 years ago
3 0

Answer:

1496.79 mm squared

Step-by-step explanation:

Have a good day :)

You might be interested in
Trying to help my daughter can't figure this out.
Anvisha [2.4K]

Answer:

width equals 16

length = 20

Step-by-step explanation:

Hello there!

we know that the perimeter is 72 m

and the width is 4 m less then the length

perimeter is 2w+2l

w=width and l = length

72 + (2x-4) = 72+8 = 80

80 / 4 (because there are 4 values, w, w, l, l ) = 20

so now...

20 - 4 = w

16 = w

and 20 = l

16+16 = 32

20+20 = 40

32+40 = 72

7 0
3 years ago
This is solving systems by substituting <br><br> y=-2x+5<br> 3y=-x-5
jok3333 [9.3K]

Answer:

y = - 3

Step-by-step explanation:

3(-2x+5)=-x-5

-6x+15=-x-5

-5x=-20

x=4

y=-2(4)+5

y=-3

7 0
3 years ago
Factorise 4x^2-y^2 please help
kotegsom [21]

Answer:

(2x + y)(2x - y)

Step-by-step explanation:

1. Simplify the square 4x²:

(2x)² - y²

2. Apple the difference of two squares formula <em>x² - y² = (x + y)(x - y)</em>:

(2x + y)(2x - y)

hope this helps!

8 0
2 years ago
-7 - x = 3<br><img src="https://tex.z-dn.net/?f=%20-%207%20-%20x%20%3D%208" id="TexFormula1" title=" - 7 - x = 8" alt=" - 7 - x
yaroslaw [1]
-7-x= 3 \\  \\ -x= 3+7\quad \to -x= 10\to  \boxed{x=10}  \\  \\  \\ -7-x= 8 \\  \\ -x= 8+7\quad -x= 15\to  \boxed{x= -15}
4 0
3 years ago
Please Help, This is confusing. What is the equation of the line that passes through the point (2,-6) and has a slope of -1?
vovangra [49]

Answer:

ok ok it is y+6=-1(x-2)

Step-by-step explanation:

brainliest?

8 0
2 years ago
Read 2 more answers
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