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FinnZ [79.3K]
3 years ago
10

9 π - 9/2 √3 = solve this problem

Mathematics
1 answer:
kherson [118]3 years ago
3 0
The answer to this problem is 20.485
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Grace folded clothes for 25mins then she worked on a puzzle for 45mins she started folding clothes at 8:20am what time did she f
Wittaler [7]

Answer:

9:30am

Step-by-step explanation:

Given data

Start time= 8:20am

Folding time= 25min

Time spent on Puzzle= 45min

Total time = 25+45= 70min= 1:10 min

Therefore the time she finishes is

8:20+ 1:10= 9:30 am

Hence she finished by 9:30am

5 0
3 years ago
Does anyone know how to solve these
masha68 [24]

Answer:

e=49

f=131

d=90

Step-by-step explanation:

3 0
3 years ago
Amirah volunteers at the recycling center every weekend. Last weekend, she helped sort 263 pounds of cans and bottles 668 pounds
Evgesh-ka [11]

Answer:

The total amount of recyclables sorted by Amirah is 931 pounds.

Step-by-step explanation:

Amount of cans and bottles sorted  = 263 pounds

Amount of paper sorted  =  668 pounds

So, the total amount of recyclables sorted

= amount of cans and bottle sorted + amount of paper sorted

= 263 pounds + 668 pounds

= 931 pounds

Hence, the total amount of recyclables sorted is 931 pounds.

3 0
3 years ago
Solve the systems using substitution.<br> 1.6x + 2y = -2<br> 4x + y = 1
Schach [20]
\begin{array}{ccc}(1)\\(2)\end{array}\ \left\{\begin{array}{ccc}6x+2y=-2\\4x+y=1\end{array}\right\\\\4x+y=1\ \ \ |subtract\ 4x\ from\ both\ sides\\y=1-4x\\\\subtitute\ y=1-4x\ to\ (1):\\\\6x+2(1-4x)=-2\\6x+2\cdot1+2\cdot(-4x)=-2\\6x+2-8x=-2\\-2x+2=-2\ \ \ \ |subtract\ 2\ from\ both\ sides\\-2x=-4\ \ \ |divide\ both\ sides\ by\ (-2)\\\boxed{x=2}\\\\subtitute\ the\ value\ of\ x\ to\ the\ y=1-4x:\\\\y=1-4\cdot2\\y=1-8\\\boxed{y=-7}\\\\Answer:  \left\{\begin{array}{ccc}x=2\\y=-7\end{array}\right
6 0
3 years ago
One leg of a right triangle is 7 inches longer than the smaller leg and the hypotenuse is 8 inches longer than the smaller leg.
Makovka662 [10]
Smaller leg = x
longer leg = y
hypotenuse = z

y=x+7
z=x+8

due to
{z}^{2}  =  {x}^{2}  +  {y}^{2}  \\ (x + 8) ^{2}  =  {x}^{2}  + (x + 7) ^{2}  \\  {x}^{2}  + 16x + 64 =  {x}^{2}  +  {x}^{2}  + 14x + 49 \\  {x}^{2}  + 16x + 64 = 2 {x}^{2}  + 14x + 49 \\  {x}^{2}  - 2 {x}^{2}  + 16x - 14x + 64 - 49 = 0 \\  -  {x}^{2}  + 2x + 15 = 0 \\  {x}^{2}  - 2x - 15 = 0 \:  \: (multiplied \: by \:  - 1) \\ (x - 5)(x + 3) = 0 \\ then \:  \: x = 5 \:  \: or \:  \: x =  - 3
but x cannot be -3
so smaller leg is 5 inches

then longer leg = 5+7 = 12 inches
and hypotenuse = 5+8 = 13 inches
3 0
3 years ago
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