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eimsori [14]
3 years ago
7

Hey Guys,

Mathematics
1 answer:
alexandr402 [8]3 years ago
3 0

58.

150 tissues fill 3x2=6 square feet

They want to fill 8x7=56 square feet

The total number of tissues is

\dfrac{150 \textrm{ tissues}}{6 \textrm{ square feet}} \times 56 \textrm{ square feet} = 1400 \textrm{ tissues}

59.

\dfrac{15 \textrm{ seconds}}{1 \textrm{ foot}} \times 1 \textrm{ mile} \times \dfrac{5280 \textrm{ feet}}{\textrm{mile}} \times \dfrac{\textrm{hour}}{3600 \textrm{ seconds}} = 22 \textrm{ hours}

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I need help with this !!!!!!
stiks02 [169]

Answer:

Step-by-step explanation:

Use the cosine ratio, adjacent over hypotenuse. Plug in the values

cos70=x/25.5

Isolate x. Multiply both sides by 25.5

x=25.5*cos70

Enter the equation into a calculator

3 0
3 years ago
Katrina and Becca exchanged 270 text messages in 45 minutes. An equal number of texts was sent each minute. The girls can send 9
Bas_tet [7]

Answer: 540

Step-by-step explanation: 270/45=6 (6*90)=540

3 0
4 years ago
A chemist is using 373 millimeters of a solution of acid and water.if 19.9 percent of the solution is acid how many millimeters
vovikov84 [41]

There are 74.227 milliliters of acid in the solution.

Explanation:

  • The total amount of liquid is 373 milliliters. This is both the acid and water combined i.e amount of liquid + amount of acid = 373 milliliters
  • If 19.9% of this is acid it means 19.9% of the the entire 373 milliliters is acid. So we calculate how much 19.9% of 373 milliliters is.
  • 19.9% of 373 milliliters = 0.199 × 373 = 74.227 milliliters. So 74.227 milliliters of the entire solution is acid.

3 0
3 years ago
1. What is the perimeter of the figure below. Simplify.<br> 4x^3-5x 2x^3+6x 6x^3+x
____ [38]

Answer:

12x^3+2x

Step-by-step explanation:

The perimeter of a polygon is equal to the sum of its sides.

The sides in the triangle shown have lengths 2x^3+6x, 4x^3-5x, and 6x^3+x in no specific order.

Since its perimeter is given by the sum of its sides, the perimeter is equal to:

2x^3+6x+4x^3-5x+6x^3+x

Combine like terms:

\boxed{12x^3+2x}

6 0
4 years ago
Why is the percent increase from 45 to 75 not equal to the percent decrease from 75 to 452 Select three options
NNADVOKAT [17]

Answer:the ratio of the % increase has a different numerator from decrease

Step-by-step explanation:

7 0
4 years ago
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