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Sveta_85 [38]
3 years ago
8

Tommy posts 11 pictures on Instagram every day. Elizabeth posts 15 pictures on Instagram every day.

Mathematics
2 answers:
Leviafan [203]3 years ago
8 0
Where’s is the question bruv?
Gennadij [26K]3 years ago
6 0

Answer:

4

Step-by-step explanation:

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Y=5x+21 and y=-7x-15
topjm [15]
This is a simultaneous system of two linear equations with two unknowns, as the number of unknowns equals the number of equations, we can solve it:
y = 5x + 21
y = -7x - 15
we can equate both equations, given the fact that both are equal to y:
y = y
5x + 21 = -7x - <span>15
</span>and solving for x:
5x + 7x = -15 - 21
12x = -36
x = -36/12
x = -3
then we substitute this result in the original equation:
y = 5x + <span>21
</span>y = 5(-3) + <span>21
</span>y = -15 + 21
y = 6
hence the solution is x = -3 and y = 6
7 0
4 years ago
What is exspanded notation for 3.6 and 4
Ede4ka [16]
It is shown as a sum of each digit multiplied by its matching place value<span> (units, tens, hundreds, etc.) For example: 4,265 = </span>4<span> x 1,000 + 2 x 100 + 6 x 10 + 5 x 1.</span>
8 0
3 years ago
Evaluate the expression 6÷(8x_3) when =0.5​
Veronika [31]

Answer:

x = 9/8 = 1.125

Step-by-step explanation:

Step by step solution :

Step  1  :

           1

Simplify   —

           2

Equation at the end of step  1  :

     6       1

 ———————— -  —  = 0

 (8x + 3)    2

Step  2  :

              6  

Simplify   ——————

           8x + 3

Equation at the end of step  2  :

    6      1

 —————— -  —  = 0

 8x + 3    2

6 0
4 years ago
HELP PLZ '-' Khan Acdamey
Talja [164]

That picture is trying to tell us the area is

A = x² - 12x + 36

A = (x - 6)²

Since for a square

A = s²

s² =  (x - 6)²

s = |x - 6|

Answer: |x-6|

4 0
3 years ago
Cody was 165 cm tall on the first day of school this year which was 10% taller than he was on the first day of school last year
tankabanditka [31]

Answer:

He was 148.5 cm tall first day of last year

Step-by-step explanation:

Cody new height is 165 cm

10% of 165 cm = (10/100)*165

=16.5 cm

Therefore last year, Cody was (165 - 16.5) cm tall

= 148.5 cm

6 0
4 years ago
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