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Rina8888 [55]
3 years ago
12

Help, please I need a mathswatch answer this is from the mathswatch website

Mathematics
1 answer:
torisob [31]3 years ago
4 0

Answer:

158.76

Step-by-step explanation:

11.7*15.6=182.52

182.52/2=91.26

Area of BCD=91.26

7.5*18=135

135/2=67.5

Area of BAD=67.5

Altogether:

91.26+67.5=158.76

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Solve -x^2 + 4x +10 = 0 by using the "Solving the square method"
Pavel [41]

Answer:

x =  - 2 +  \sqrt{14}  \:  \: or  \:  \: x =  - 2 -  \sqrt{14}

Step-by-step explanation:

{x}^{2}  - 4x - 10 = 0 \\  {x}^{2}  - 4x = 10 \\  {x}^{2}  - 2(2x) = 10 \\  {x }^{2}  - 2(2x) + 4 = 10 + 4 \\ {(x + 2)}^{2}  = 14 \\ x + 2 =  \sqrt{14}  \:  \:  \:  \: or \:  \:  \: x + 2 =  -  \sqrt{14}

3 0
3 years ago
How do i solve [tex]2x^{5} y -3x^{2} y
OLEGan [10]
U can use the math version i think
3 0
3 years ago
Plz help i been asking way too much and brainiest
telo118 [61]

Answer:

2 1/6 ft = 26 in

3 3/4 ft = 1 1/4 yrd

2 1/2 c = 1 1/4 p

3 2/3 yrs = 44 months

Step-by-step explanation:

Conversion:

ft to in = ft x 12

ft to yards = ft / 3

c to pints = c/2

yrs to months =  y x 12

If my answer is incorrect, pls correct me!

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4 0
3 years ago
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Prove the divisibility of the following numbers by 7
oee [108]
5^5 mod 7 = 3
5^4 mod 7 = 2
5^3 mod 7 = 6

3 -2 +6 mod 7 = 0
Therefore, 5^5 -5^4 +5^3 mod 7 = 0 and that sum is divisible by 7.
3 0
3 years ago
The perimeter of a rectangle is 24 inches. Find the dimension If the length of the rectangle is 3 inches more than it’s width.
GuDViN [60]

Answer:

length is 7.5 and width is 4.5

Step-by-step explanation:

Its given that perimeter of the triangle is 24 units.

The condition is that length is 3 units more than the width.

l=w+3;

Formula for perimeter is 2(l+w).

so ,

2(w+w+3)=24,

2w+3=12,

w=4.5,

l=w+3=7.5

Hence for the given conditions length is 7.5 and width is 4.5.

8 0
3 years ago
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