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Elan Coil [88]
3 years ago
14

Please anwser

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
6 0
The answers are
M1 = 112°
M2 = 26°
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Please solve these coin problems:
ratelena [41]
1)
Solving from system of equations:
x- amount of 1 cent stamps
y- amount of 33 cent stamps
\left \{ {{1*x+33*y=18,40} \atop {x+y=80}} \right.\\x=80-y\\0,01*(80-y)+0,33y=18,40\\0,8-0,01y+0,33y=18,40\\0,32y=18,40-0,8\\0,32y=17,60 /:0,32\\y=55\\x=80-55=25
2)
x- amount of 20 cent stamops
y-amount of 34 cent stamps
From system of equations:
\left \{ {{0,2x+0,34y=19,90} \atop {x+y=75}} \right.\\x=75-y\\0,2(75-y)+0,34y=19,90\\ 15-0,2y+0
,34y=19,90\\-0,2y+0,34y=19,90-15\\0,14y=4,90/:0,14\\ y=35\\x=75-35=40
6 0
3 years ago
The Rectangular rug has side lengths of 3 and 4 feet. What is the length of the diagonal?
lesya [120]

the formula to find the diagonal would be

a^2+b^2=c^2

3^2+4^2= 9+16=25

the square root of 25 is 5

5^2=25

so your diagonal is 5 ft

7 0
3 years ago
The sum of 28+29+42=99. So what addition property was used Commutative, associative, identity, or distributive ?
IrinaVladis [17]

28 + 29 + 42 = 28 + 42 + 29 = 99

Commutative property: a + b = b + a

3 0
3 years ago
Emails arrive at the server of a company at the rate of an average of 10 per hour. It is assumed that a Poisson process is a goo
fomenos

Answer:

0.37

Step-by-step explanation:

we have given that emails arrives at the server at the rate of 10 per hour means \frac{10}{60}=0.166  per minute

we have to find the probability that the time difference between the two email is more than 2 minute

so probability P\left ( X> 2 \right )=e^{-2\lambda }=e^{-2\times 0.166}=0.7166

4 0
3 years ago
What equation in slope intercept form represents the line that passes through the points (4,6) and (8,0)
madam [21]

Answer:

The slope formed using points (4,6) and (8,0) is \dfrac{3}{2}

Step-by-step explanation:

Given as :

The points are (4,6) and (8,0)

(x_1 , y_1) = (4,6)

(x_2 , y_2) = (8,0)

Let The slope that formed = m

So,

slope = m = \dfrac{y_2 - y_1}{x_2 - x_1}

m =  \dfrac{0 - 6}{8 - 4}

Or, m =  \dfrac{6}{4}

∴ m = \dfrac{3}{2}

So, The slope formed using points = m =  \dfrac{3}{2}

Hence , The slope formed using points (4,6) and (8,0) is \dfrac{3}{2} Answer

6 0
3 years ago
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