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shtirl [24]
3 years ago
13

Plzz help with my test

Mathematics
1 answer:
Aleksandr [31]3 years ago
5 0
Y = 4

when you look at the -3 at the x-axis, it meets 4 at the y-axis
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If you cut 10 ounces of butter into 2/5 ounce pieces, how many
photoshop1234 [79]
2/5 plus 2/5 is five so we can assume if we multiply it by 4 it will be 10! 2/5 times 4 equals 10!!! Hope this helps! :D
6 0
3 years ago
Osborne invested $17,000 in stocks and bonds.
Pani-rosa [81]
SYSTEM OF EQUATIONS

S+B = 17000
0.1S+0.07B=1280

Multiply the first equation by 0.1 and subtract the second equation

0.03B=420
B=14,000
S=3,000
6 0
3 years ago
Quando existe, dizemos que a solução de um sistema de equações lineares é o conjunto ordenado de números que satisfaz todas as e
QveST [7]
X representa o numero das suas respostas certas.
y represnta o numero das suas respostas erradas.
O total de perguntas <span>é 25, portanto
x + y = 25

Agora tratamos do dinheiro.
Come</span>ça com <span>R$ 500,00
Pelas x respostas certas, recebe 200x.
Pelas y respostas errads perde 150y.
O total de dineheiro inicial mais os ganhos menos as perdas s</span>ão iguais a
R$ 600,00, portanto
500 + 200x - 150y = 600
200x - 150y = 100
20x - 15y = 10

Temos um sistema de duas equações com duas variaveis.

<span>x + y = 25</span>
20x - 15y = 10

      15x + 15y = 375
+    20x - 15y = 10
---------------------------
       35x         = 385
           x         = 11

x + y = 25

11 + y = 25

y = 14

Resposta: Errou 14 perguntas.


5 0
4 years ago
Tom and Sam shared equally one third of a chocolate bar. What fraction of the chocolate bar did each child get?
Savatey [412]
1/3 each , hope it helps

 
5 0
3 years ago
Read 2 more answers
Solve for x:
slava [35]

Answer:

C

Step-by-step explanation:

Any value of x makes the equation true.

4 0
3 years ago
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