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pantera1 [17]
3 years ago
10

The expression 15p+12r shows the total cost of buying p printed shirts and r plain shirts find the total cost if you buy two pri

nted shirts and three plain shirts
Mathematics
1 answer:
Shkiper50 [21]3 years ago
4 0

Answer:

$66 total cost

Step-by-step explanation:

15p + 12r

15 (2) + 12 (3) = substitute 2 for p for printed shirts and 3 for r for plain shirts

30 + 36 + 66

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KatRina [158]
The pythagoras theorem is a^2+b^2=c^2
7 0
3 years ago
Read 2 more answers
Proportional relationships are also considered linear. Are linear relationships also considered proportional? What is required i
yaroslaw [1]

Answer:

yes

Step-by-step explanation:

proportional and liner functions almost identical informed the only difference is that the be of the constant of the liner function. Indeed a proportional relationship is just a line of relationship where be equal 0 or to put it another way when the line passes through the origin 0,0

6 0
2 years ago
Simplify the following expression, show all work you did to get the results​
777dan777 [17]

Answer:

(sqrt(7))/3 or decimal 0.8819171036881968635005385845464201419034197276941500601227781530...

Step-by-step explanation:

Simplify the following:

(sqrt(14))/(sqrt(18))

Hint: | Simplify radicals.

sqrt(18) = sqrt(2×3^2) = 3 sqrt(2):

(sqrt(14))/(3 sqrt(2))

Hint: | Multiply numerator and denominator of (sqrt(14))/(3 sqrt(2)) by sqrt(2).

Rationalize the denominator. (sqrt(14))/(3 sqrt(2)) = (sqrt(14))/(3 sqrt(2))×(sqrt(2))/(sqrt(2)) = (sqrt(14) sqrt(2))/(3×2):

(sqrt(14) sqrt(2))/(3×2)

Hint: | Multiply 3 and 2 together.

3×2 = 6:

(sqrt(14) sqrt(2))/6

Hint: | For a>=0, sqrt(a) sqrt(b) = sqrt(a b). Apply this to sqrt(14) sqrt(2).

sqrt(14) sqrt(2) = sqrt(14×2):

(sqrt(14×2))/6

Hint: | Multiply 14 and 2 together.

14×2 = 28:

(sqrt(28))/6

Hint: | Simplify radicals.

sqrt(28) = sqrt(2^2×7) = 2 sqrt(7):

(2 sqrt(7))/6

Hint: | In (2 sqrt(7))/6, divide 6 in the denominator by 2 in the numerator.

2/6 = 2/(2×3) = 1/3:

Answer:  (sqrt(7))/3

5 0
2 years ago
Help ya’ll smart people help me
torisob [31]

Answer:

1) -200

2) -126

3) -5 + (-10)

4) -10

5) -60 + (-85) + (-115) = -260

Step-by-step explanation:

You can just add all of them normally then add the negative sign (-) at the end.

Hope this helps!

3 0
3 years ago
A ramp has a rise of 10 feet and run of 50 feet find the slope
Goshia [24]
Slope = rise/run = 10/50 = 1/5
7 0
3 years ago
Read 2 more answers
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