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IrinaVladis [17]
4 years ago
11

Noah was selling spirit wear. Bruin t-shirts cost $12 and Bruin sweatpants cost $30. He sold 70 items and made $1200. How many o

f each item did he sell
(Please show steps)
Mathematics
1 answer:
Alekssandra [29.7K]4 years ago
5 0

Answer:

Step-by-step explanation:let x be number of T-shirts and y be no of pants.

Total=70

I.e. x + y = 70 ..........1

Cost of one shirt=12$

Cost of one pant=$30

Total cost=12x +12y=1200$........2

1 +2

X+ y=70

12x+30y=1200

I.e. 12x + 12 y = 840

-(12x +30y)= -1200

.............................................

-18y = - 360

Y = 20

Therefore

No of shirts = x = 70 - y = 70-20=50$

No of pants =y=20$

Hope it is clear

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Try calculating each of these yourself: 

<span>First, 34(58 + 9) = 34(67) = 2278 </span>

<span>A. 34 x 67 = 2278 </span>

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lina2011 [118]

Answer:

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Step-by-step explanation:

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3 years ago
Which of the following is the equation of
Neporo4naja [7]

Answer:

a) Option A is correct.

b) Option C is correct.

Step-by-step explanation:

a) Which of the following is the equation of  the line passing through the points (1, 1)  and (-3,5)?

We will use the equation

(y-y₁)=m(x-x₁)

m= (y₂-y₁)/(x₂-x₁)

m= (5-1)/(-3-1)

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Consider point (1,1) and Putting value of m

(y-y₁)=m(x-x₁)

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y-1=x-1

y=x-1+1

y=x

So, Option A is correct.

b) Which of the following is the equation of a  line with a slope of 0 passing through (2,5)?

The formula used is:

y= mx+b

Finding b:

5=0(2)+b

=> b = 5

So, equation is:

y = mx+b

y=0x+5

y=5

So, Option C is correct.

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3 years ago
Aproximati prin lipsa si prin adaos la sute numerele: a)5193; b)3246 c)4572; d)6283; e)33406; F)75268; g)89341; h)40729.
satela [25.4K]
117.69615 is correct. it would be 118 to the nearest whole number
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3 years ago
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