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vredina [299]
2 years ago
11

Write the answer as an algebraic expression, then evaluate using the given values:

Mathematics
1 answer:
AlladinOne [14]2 years ago
7 0

Answer:

40+1

Hope this helps!

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Find the equation of (2,3), slope 4
zhenek [66]

Answer:

y=4x-5

Step-by-step explanation:

y-y1=m(x-x1)

y-3=4(x-2)

y=4x-8+3

y=4x-5

Please mark me as Brainliest if you're satisfied with the answer.

3 0
2 years ago
Read 2 more answers
Hannah is making pancakes. She can make 3 pancakes in one minute. How many pancakes could she make in 1 hour?
SashulF [63]

Answer:

180

Step-by-step explanation:

There are 60 minutes in one hour. Multiply 3 x 60 = 180.

7 0
2 years ago
A bag has 10 yellow poker chips and 4 green poker chips. If you reach in to randomly draw 5 chips, what is the probability of se
Vilka [71]
In the study of probability, you find the chances of an event to happen likely out of the total number of possibilities. Thus, probabilities are always presented as part of a whole: in terms of fractions or percentages. 

In this problem, the denominator for the probability would be the total number of possibilities. In combination probability, we use the equation: n!/r!(n-r)!, where 'r' is the number of like things out of 'n' objects. So, the denominator would be 5 drawn chips out of a total of 14 chips. So,

denominator = 14!/5!(14-5)! = 2,002 ways

For the numerator, we multiply the combination for 3 out of 10 chips and 2 out of 4 chips. 

Numerator = 10!/3!(10-3)! × 4!/2!(4-2)!
Numerator = 720 ways

Thus, the probability is

Probability = 720/2002 = 360/1001 or 35.96%
6 0
3 years ago
A florist is creating 10 centerpieces. Roses cost $2.50 each, lilies cost $4 each, and irises cost $2 each. A customer plans on
lana [24]

Answer:

8 Roses; 1 lilie ; 3 irises

Step-by-step explanation:

Let the number of roses be 'a' , number lilies be 'b' and number of irises be 'c'

$300 for 10 centerpieces means $30 per centerpiece. therefore,

2.5a+4b+2c = 30 .......................(1)

also each centerpiece must contain 12 flowers, therefore,

a+b+c=12 .................................(2)

also twice as much roses as the number of irises and lilies combined

a = 2(b+c)

a-2b-2c=0 ............................... (3)

a) System of equation are equations (1) , (2) & (3).

Writing a matrix equation

\left[\begin{array}{ccc}2.5a&4b&2c\\a&b&c\\a&-2b&-2c\end{array}\right]  = \left[\begin{array}{ccc}30\\12\\0\end{array}\right]

b) Solving the simultaneous equation,

from (3), a=2b+2c

substituting for 'a' in equation (1) and (2),

⇒ 2.5(2b+2c)+4b+2c=30

⇒ 5b + 5c + 4b + 2c = 30

⇒ 9b + 7c = 30 ..................... (4)

⇒ 2b + 2c + b + c = 12

⇒ 3b + 3c = 12

⇒ b = 4 - c ..............................(5)

Substituting (5) in (4)

9 (4 - c) + 7c = 30

36 - 9c+7c =30

36-30 = 2c

c = 3

b = 4-3 = 1

a = 2(3+1) = 8

3 0
3 years ago
The variables y and x have a proportional relationship, and y = 15 when x = 3. What is the value of x when y = 4?
madam [21]

answer:

y = 19.2 when x = 8


So the answer is 8




8 0
3 years ago
Read 2 more answers
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