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Yuri [45]
3 years ago
10

Elsa, Keith, and Lamar sent a total of 68 text messages during the weekend. Keith sent 8 more messages than Elsa. Lamar sent 2 t

imes as many messages as Elsa. How many messages did they each send?
Mathematics
1 answer:
babunello [35]3 years ago
3 0

Answer:

Elsa sent 15, Lamar sent 30, and Keith sent 23

Step-by-step explanation:

If x=Elsa, L=Lamar, and K=Keith

2x=L

x+8=K

x+x+8+2x= 68

4x+8=68

4x=60

x=15

Then you plug 15 into x, and solve for each person.

(15)2=L

(15)+8=K

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Harlamova29_29 [7]

Answer:

(Z + 2•)

Step-by-step explanation:

5 0
3 years ago
When dropped, a super ball will bounce back to 80% of its peak height,continuing on in this way for each bounce.
Liono4ka [1.6K]

An expression for the height of the nth bounce is 0.80X^N = Height.

<h3><u>Equations</u></h3>

Since when dropped, a super ball will bounce back to 80% of its peak height, continuing on in this way for each bounce, to determine an expression for the height of the nth bounce the following calculation must be performed:

  • X = Initial value
  • 80% = 0.80
  • N = Number of times the ball bounces
  • 0.80X^N = Height

Therefore, an expression for the height of the nth bounce is 0.80X^N = Height.

Learn more about equations in brainly.com/question/2263981

3 0
3 years ago
A room has dimensions of 8 mx 6 mx 4 m.
natali 33 [55]

Answer:

Price of paint = Rs 16,640

Step-by-step explanation:

As 3 dimensions are given so the third one must be for ceiling.

So in this case, we can find area as follows:

Area = 2(length * width) + 2(length * height)+ 2(height * width)........eq1

Lets say:

Length = 8m

Width = 6m

Height = 4m

So putting value in eq1 we get:

Area = 2(8*6) + 2(8*4) + 2(4*6)

Area = 2(48) + 2(32)+ 2(24)

Area =96 + 64 + 48

Area = 208 sq. m

Now for calculating price:

Price of paint = 208 * 80

Price of paint = Rs 16,640

I hope it will help you!

5 0
3 years ago
Solve the inequality and graph the solution on the line provided.<br> -7x + 8&lt; -6
HACTEHA [7]

Answer:

Step-by-step explanation:

Here you go mate

Step 1

-7x+8<-6  Equation/Question

Step 2

-7x+8<-6  Simplify

-7x+8<-6

Step 3

-7x+8<-6  Subtract 8

-7x<-14

Step 4

-7x<-14  Divide sides by -7

answer

x>2

Hope this helps

7 0
3 years ago
The distance from Houston to
marissa [1.9K]

Answer:

distance from Houston to Galveston in  kilometers will be: 80km

Step-by-step explanation:

Given

The distance from Houston to  Galveston is about 50 miles.

i.e.

Kilometers in 1 Mile = 1.6 km

As the distance from Houston to  Galveston is about 50 miles, so

The distance from Houston to Galveston in  kilometers will be:

50(1.6) = 80   ∵ Kilometers in 1 Mile = 1.6 km

Therefore,

The distance from Houston to Galveston in  kilometers will be: 80km

8 0
3 years ago
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