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Aleksandr-060686 [28]
3 years ago
7

It cost Zachary $7.00 to send 140 text messages. How many text messages did he send if he spent $0.85?

Mathematics
2 answers:
saw5 [17]3 years ago
8 0

Answer:

$10.50+(x*0.15)=$7.00 for 85c only a genius will understand my way of teaching

Step-by-step explanation:

This will tell you your answer!

trasher [3.6K]3 years ago
5 0

Answer:

17 messages.

Step-by-step explanation:

Divide 140 by 7 to get 20.

This means it costs 1 dollar for 20 messages.

And therefore 17 messages for 85c.

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A scale drawing of a rectangular park had a scale of 1 cm = 100 m.
Brilliant_brown [7]

Answer:

521,400 meters squared

Step-by-step explanation:

With the 1cm = 100m scale

6.6 cm = 660m

7.9 cm = 790m

Area = 660 x 790 = 521,400 meters squared

7 0
2 years ago
An oil rig has a height of 74.98 m visible above water and extends 518.16 m below the surface to the sea floor. What is the tota
pashok25 [27]

Answer:

  1. So you know that the height that is visible above x=0 is 74.98 m
  2. From x=0 below it has a total height of 518.16m to the sea floor

That tells us that we have two parts account for

  1. 74.98+518.16m = 593.14 m
8 0
2 years ago
Read 2 more answers
LK is tangent to circle J at point K. Circle J is shown. Line segment J K is a radius. Line segment K L is a tangent that inters
Evgen [1.6K]

Answer:

(B)r=\dfrac{85}{12}

Step-by-step explanation:

Given a circle centre J

Let the radius of the circle =r

LK is tangent to circle J at point K

From the diagram attached

  • LX=6
  • Radius, XJ=JK=r
  • LK=11

Theorem: The angle between a tangent and a radius is 90 degrees.

By the theorem above, Triangle JLK forms a right triangle with LJ as the hypotenuse.

Using Pythagoras Theorem:

(6+r)^2=r^2+11^2\\(6+r)(6+r)=r^2+121\\36+6r+6r+r^2=r^2+121\\12r=121-36\\12r=85\\r=\dfrac{85}{12}

The length of the radius, r=\dfrac{85}{12}

8 0
3 years ago
Read 2 more answers
Graph a line with a slope of 4 that contains the point (3,0). FOR 100 POINTS PLS
dimulka [17.4K]

Answer:

Hi there!

Recall that slope-intercept form is:

y = mx + b

Where m = slope

In this instance, we are given a slope of 4,

therefore:

y = 4x + b

Substitute in the x and y coordinates of the point given:

0 = 4(3) + b

0 = 12 + b

Substract 12 from both side:

-12 = b

Therefore, the equation would be:

y = 4x - 12

Graph the equation by finding x and y values or using a calculator:

x = 0, y = 4(0) - 12 = 12 (0, 12)

x = 1, y = 4(1) - 12 = - 8 (1, -8)

x = 2, y = 4(2) - 12 = - 4 (2, -4)

x = 3, y = 4(3) - 12 = 0 (3, 0)

And so forth:

Thanks<8

4 0
3 years ago
Select the term that best describes the statement.. . All angles are right angles or a triangle has four sides.. 1) conjunction.
nydimaria [60]

The <u>correct answer</u> is:


2) disjunction.


Explanation:


A conjunction is when two statements are connected by "and." These are not, so this is not a conjunction.


A disjunction is when two statements are connected by "or." These are; this is a disjunction.


A negation is the opposite of a statement.


A conditional is an if-then statement.

6 0
3 years ago
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