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Ostrovityanka [42]
4 years ago
12

Find the missing lengths of the sides.

Mathematics
1 answer:
Crazy boy [7]4 years ago
5 0
Pretty sure it is D. a=12, b=12 because of the 45-45-90 triangle rules
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Need help for this please
EastWind [94]
The perimeter is about 82 yards

first, the perimeter of the rectangles is 30*2 = 60 (the 7 is not a part of the overall perimeter so we do not need to add it)

the "perimeter" (circumference) of the 2 semi circles = (22/7)*7 = 22by using the formula C = pi*d (2 semi circles of the same diamter = 1 circle)

now just add the 2 answers
22 + 60

= 82 yards
4 0
3 years ago
Could someone please help me with this thank you very much
elena-s [515]

Answer:

Answer for #10:

y = 2 \: and \: x = 1

Answer for #1:

x = 2 \: and \: y =  - 1

Step-by-step explanation:

In order to solve a simultaneous equation using the substitution method you have to:

Use one of the equation and substitute it into the other equation, in this case equation <em>B</em><em> </em>was substituted into equation <em>A</em><em>.</em>

<em>equ. \: a = (2x - 3y = 7) \\ equ. \: b = (x = 1 - y)</em>

Therefore since x = 1 - y, equation A would be:

2(1 - y) - 3y = 7 \\ (2 - 2y) - 3y = 7 \\  - 2y - 3y = 7 - 2 \\  - 5y = 5 \\ y =  - 1 \: and \: x = 2

8 0
2 years ago
Veronica jogged 10 3/16 miles in one week. The next week she jogged 8 7/16 miles. How many more miles did she jog in the first w
vivado [14]
1.75 as a decimal
or 9 3/8 as a fraction
3 0
3 years ago
Read 2 more answers
PLZ HELP IM IN A HURRY!
AysviL [449]

Answer:

0.078 rounded to the nearest hundreth is 0.08 and 0.078 rounded to the nearest thousandth is 0.078

Step-by-step explanation:

if you need help i will give you my email

5 0
3 years ago
Using the numbers 3, 2, and 4, which of these problems would have a solution of 4?
Alexeev081 [22]
Pemdas

ok if we look at the first one
exponents first
2^3=8
2^3=8
we have
4*8/8
4*8=32
32/8=4
das is answer


the first one is the answer
7 0
4 years ago
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