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4 years ago

Math word problem, please help!

Mathematics

2 answers:

dezoksy [38]4 years ago

4 0

Sum of the angles in a triangle = 180

Given that the two angles are 62 and 90,

x = 180 - 62 - 90 = 28°

Answer: x = 28°

serious [3.7K]4 years ago

3 0

∆=180°
180°-(90°+62°)=x
180°-152°=x
x=28°

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N artist makes three types of ceramic statues (large, medium, and small) at a monthly cost of $760 for 210 statues. The manufact

Arlecino [84]

Answer:

20, 90 and 100

Step-by-step explanation:

Total number of statues = 210

Assuming that a large statue = x, medium statue = y and a small statue = z

Then, x + y + z = 210........i

Also, we're told that the monthly cost is $760, so

5x + 4y + 3z = 760.........ii

Cost of selling is $3640, so then

26x + 18y + 15z = 3640.........iii

Solving i and ii simultaneously, we have

5x + 5y + 5z = 1050

5x + 4y + 3z = 760

Subtracting, we have

y + 2z = 290.........iv

Again, solving ii and iii simultaneously, we have

130x + 104y + 78z = 19760

130x + 90y + 75z = 18200

On subtracting, we have

14y + 3z = 1560.........v

And finally, solving iv and v simultaneously, we also have

14y + 28z = 4060

14y + 3z = 1560

On subtracting,

25z = 2500

z = 2500 / 25

z = 100

Substituting for z = 100 in iv, we have

y + 2(100) = 290

y + 200 = 290

y = 290 - 200

y = 90

Substituting for y = 90, and z = 100 in i

x + 90 + 100 = 210

x + 190 = 210

x = 210 - 190

x = 20

Therefore, large statues has to be 20, medium statues has to be 90, and small statues has to be 100

7 0

3 years ago

What is the circumference of a circle with a diameter of 13 inches? round to the nearest hundredth.

Kryger [21]

Answer:

40.84 to nearest hundredth.

Step-by-step explanation:

C = pi * d

= pi * 13

= 40.8407

7 0

3 years ago

What is the volume of 11ft*12ft*9ft

masha68 [24]

All you need to do is multiply
11 x 12 x 9
=1188

5 0

3 years ago

Find x to the nearest hundredth.

uysha [10]

Answer:23.78cm

Step-by-step explanation:

7 0

4 years ago

A client would like this logo printed onto a canvas that is at least 70 inches tall. The original logo is 4.5 inches wide by 3.6

vfiekz [6]

Answer:

87.5 by 70 inches

Step-by-step explanation:

No options were given. So, I will calculate the minimum width

Given

$Original\ Logo = 4.5 : 3.6$

Height = 70 in ---- of the printed logo

Required

Determine the dimension that keeps the requirement

Let x be the width of the printed logo.

So, the ratio can be represented as:

$Printed\ Logo = x : 70$

Equate both ratios

$x : 70 = 4.5 : 3.6$

As fraction

$x / 70 = 4.5 / 3.6$

Multiply through by 70

$70 * x / 70 = 4.5 / 3.6* 70$

$x = 87.5$

So, one of the dimension that meets the requirement is a width of 87.5 inches

4 0

3 years ago