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Arisa [49]
3 years ago
11

It costs Sarah $0.05 to send a text message. If her total charge for sending text messages was $1.45, how many texts did she sen

d?
Mathematics
2 answers:
SIZIF [17.4K]3 years ago
7 0

Answer:

29 text messages

Step-by-step explanation:

1.45 divided by .05 to get 29 text messages

yanalaym [24]3 years ago
5 0

Answer:

29

Step-by-step explanation:

well if 0.05x2 is 0.10, 0.05x10 is p.50 then 0.05x20 is 1.00 0.45 is one 0.05 away from .50, it is 1.45

it is 29

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Help me with math questions urgent Thanks
aleksandrvk [35]

Answer:  x = 2.65, y = 3.81

Step-by-step explanation:

          ABC similar to PQR

1) Find the ratio of corresponding sides

2) Use that ratio to find values for x & y

        1) Side AB = 2.76cm & Side PR = <em>y</em><em> </em>cm

             Side BC = <em>x</em> cm & Side RQ = 3.66 cm

         Side CA = 3 cm & Side QP = 4.14 cm (both lengths given)    

Can match 3 to 4.14 & ratio of sides in ABC to PQR= 3 /4.14

Length of sides ABC = 3/4.14 times the length of sides PQR

           2)  x = (3 / 4.14) * 3.66 = 2.65

            Now solve for y, ABC to PQR:  2.76 = (3 / 4.14) (<em>y </em>)

<em>equality property</em> (both sides) & inverse operation to isolate <em>y : </em> .               2.76 ÷ (3 / 4.14) = (3 / 4.14 ) ÷ (3 / 4.14) (<em>y</em><em>)</em>

              2.76 * (4.14 / 3) =  3 / 4.14 * (4.14 / 3) (<em>y</em><em>)</em>

                     (2.76 * 1.38 ) =  3.81  = <em>y</em>

<em></em>

<em>Scale Factor Method:  Determine the Multiplier</em>

Small to Big or Big to Small ➜ Be sure not to switch

7 0
3 years ago
– A BOX CONTAINS 9 RED AND 2 BLUE MARBLES. IF YOU SELECT
Doss [256]

The odds against selecting a red marble is =2/11

<h3>Calculation of probability</h3>

The number of marbles which were red = 9

The number of marbles which were blue = 2

The total amount of marbles in the Box = 11

When one marble is picked at random from the box, the odds against selecting a red marble can be gotten through the blue marble.

That is, the number of blue marble/ total marble

= 2/11

Learn more about probability here:

brainly.com/question/24756209

#SPJ1

7 0
1 year ago
What is the decimal multiplier to increase by 99%?
ipn [44]

Answer:

1.99

Example:

Increase 10 by 99%.  99% of 10 is 9.9 so increased value would be 10 + 9.9 = 19.9

10 x 1.99 = 19.9 ... same answer

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
At a football stadium, 10% of the fans in attendance were teenagers. If there were 30 teenagers at the football stadium, what wa
JulijaS [17]

Answer:

i believe the answer to this is a total of 300 people because you multiply the ten percent into the 30 people which factors out some numerical values, so then your answer as i just said is 300 people in total attended the game.

Step-by-step explanation:

8 0
3 years ago
An equilateral triangle has sides 8 units long. An equilateral triangle with sides 4 units long is cut off at the top, leaving a
Darina [25.2K]

Answer:

1:3

Step-by-step explanation:

Please study the diagram briefly to understand the concept.

First, we determine the height of the isosceles trapezoid using Pythagoras theorem.

4^2=2^2+h^2\\h^2=16-4\\h^2=12\\h=\sqrt{12}\\ h=2\sqrt{3}$ units

The two parallel sides of the trapezoid are 8 Inits and 4 units respectively.

Area of a trapezoid =\dfrac12 (a+b)h

Area of the trapezoid

=\dfrac12 (8+4)*2\sqrt{3}\\=12\sqrt{3}$ Square Units

For an equilateral triangle of side length s.

Area  =\dfrac{\sqrt{3}}{4}s^2

Side Length of the smaller triangle, s= 4 Units

Therefore:

Area of the smaller triangle

=\dfrac{\sqrt{3}}{4}*4^2\\=4\sqrt{3}$ Square units

Therefore, the ratio of the area of the smaller triangle to the area of the trapezoid

=4\sqrt{3}:12\sqrt{3}\\$Divide both sides by 4\sqrt{3}\\=1:3

7 0
4 years ago
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