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GuDViN [60]
2 years ago
8

If the cost of manufacturing mobile phones is $10,000 for the factorytime plus $80 per phone and that each

Mathematics
1 answer:
ozzi2 years ago
5 0

Answer:

500 phones

Step-by-step explanation:

cost of manufacturing: y = 80x + 10,000

money from phone sales: y = 100x

* note: x = #phones

solve for when they're equal;

100x = 80x + 10,000

100x - 80x = 80x - 80x + 10,000

20x = 10,000      –––––––––––> divide both sides by 20

x = 500

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dangina [55]

Answer: its c In step 3, he should have divided both sides by  StartFraction 6 Over 4 Endfraction.

Step-by-step explanation:

6 0
3 years ago
Write the equation of a line, in Point slope form that passes through (5,6) and has a slope of -3​
Mademuasel [1]

Answer:

y = -3x + 21

Step-by-step explanation:

(5,6)

y = mx + b

6 = -3 × 5 + b

solving for b

b = 6 - (-3)(5)

b = 21

Therefore,

y = -3x + 21

7 0
2 years ago
A triangle has two angles that each measure 50° What is the measure of the third angle?
Lorico [155]

Answer:

80 or 2

Step-by-step explanation:

triangles = 180degrees

50+50+x=180

x=80

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6 0
2 years ago
Given the domain (-4, 0,5), what is the range for the relation y = -2x +
mote1985 [20]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

y =f(x) =   - 2x + 4

_________________________________

f( - 4) =  - 2( - 4) + 4

f( - 4) = 8 + 4

f( - 4) = 12

_________________________________

f(0) =  - 2(0) + 4

f(0) = 0 + 4

f(0) = 4

_________________________________

f(5) =  - 2(5) + 4

f(5) =  - 10 + 4

f(5) =  - 6

_________________________________

Range = { 12 , 4 , -6 }

Thus the correct answer is (( A )) .

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4 0
2 years ago
Find the equivalent expression 9 ( 2a + 1
aivan3 [116]

Answer:

Equivalent expression of 9(2a+1) is, 18a+9

Step-by-step explanation:

The distributive property says that:

a \cdot (b+c) = a\cdot b + a\cdot c

Given the expression: 9(2a+1)

Apply the distributive property:

9 \cdot (2a) +9 \cdot 1

Simplify:

18a+9

Therefore, the equivalent expression of 9(2a+1) is, 18a+9

8 0
3 years ago
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