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Jet001 [13]
2 years ago
8

Resuelve el siguiente ejercicio:

Mathematics
1 answer:
exis [7]2 years ago
5 0

Answer:

Cuanto dinero voy a pagar  24 $

Cuanto recibiré de cambio  76 $

Step-by-step explanation:

Mis compras son:

1 lápiz       3,50 $

2 plumas  7,90 $

1Libreta   12,60 $

Lo que quiere decir que compre:

3,50 + 7,90 + 12,60  =  24 $

Si cancelo mis compras con un billete de 100 $ me tienen que dar vuelto por:

100 $  -  24  $  =  76 $

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EastWind [94]
I think you add the numbers together, and then divide by three
6 0
3 years ago
Read 2 more answers
What makes n true 1/2 (n+4)=6
AlexFokin [52]

Answer: N=8

Step-by-step explanation: So 1/2*4=2 then you know that you need 4 to get to six because you already have two. Then 8/2=4 so N=8.

1/2(8+4)=6

4+2=6

6=6

Hope this helped!!!!!

8 0
2 years ago
Solve: 28 − ≥ 7( − 4)<br> (show your work)<br> real answers only pls :(
ohaa [14]
You’ll distribute the 7 from (x-4) so your equation will be
28-x>_ 7x-28
then you’ll combine like terms (-x and 7x and 28 and -28
-56>_ -8x
divide by -8 on both sides and flip your sign
you’re answer is x<_7
x is less then or equal to 7
6 0
2 years ago
The perimeter of a rectangle is 16.6km, and its area is 13.42km2. Find its length and width. length : km width : km
Otrada [13]

Answer:

l=5.12 & w=2.62

Step by step explanation:

A=l×w

13.42=lw

w=13.42/l

p = 2(l + w) \\ 16.6 = 2(l +  \frac{13.42}{l} ) \\ 16.6 = 2( \frac{ {l}^{2}  + 13.42}{l}) \\ 16.6 = 2(l + 13.42) \\ 16.6 = 2l + 26.84 \\ 2l = 26.84 - 16.6 \\ 2l = 10.24 \\ l =  \frac{10.24}{2}  \\ l = 5.12km

Since you have found the value of the length you can find the value.of the width.

w =  \frac{13.42}{l}  \\ w =  \frac{13.42}{5.12}  \\ w = 2.62km

5 0
3 years ago
line c passes through the origin and has a slope of -7.Write an equation like y=mx+b.If theres enough information if not explain
Pavel [41]
If you have a picture that shows line c on a graph, you could find your y-intercept or b. If not, you need the y-intercept to make an equation.
5 0
2 years ago
Read 2 more answers
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