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liubo4ka [24]
4 years ago
8

May someone assist me with these Math problems, Thank you :)

Mathematics
1 answer:
OLga [1]4 years ago
4 0
3y+1=4y-6
1+6=4y-3y
y=7

2+6x=1-x
6x+x=1-2
7x=-1
x= -1/7

5y+4=4y+5
5y-4y=5-4
y=1
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Andrew has a balance of $6,000 on his credit card with an annual interest rate of 12%. To pay off the $6,000 in three years, And
amid [387]

Answer:

$1,174.44

Step-by-step explanation:

- Three year period will have 36 payments, then the total payment is $7,174.44

- In which $6,000 is the balance of credit card at beginning

- The total interest paid over the 03 years is $1,174.44 = $7,174.44 - $6,000

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3 years ago
Marty ordered three extremely accurate and scientific water-balloon launchers from a mail order catalog (one for himself and two
frutty [35]
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shipping = $5
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4 years ago
Factorize 9/16 x2 + xy + 4/9 y2
miskamm [114]
\frac{9}{16}  x^2 + xy +  \frac{4}{9}  y^2 =   (\frac{3}{4} x)^{2} + xy +  (\frac{2}{3}y)^{2} =  (\frac{3}{4} x)^{2} + 2*  \frac{3}{4} x *  \frac{2}{3}y +  (\frac{2}{3}y)^{2} = ( \frac{3}{4}x +  \frac{2}{3} y)^{2}
7 0
3 years ago
24. Janelle has 342 pennies, 62 nickels,
mixer [17]

Answer:

$7.72

Step-by-step explanation:

62×5=310. 12×10=120. Add all that up and you get $7.72

6 0
3 years ago
Read 2 more answers
Pour connaitre la distance qui la separes dune ile armelle vise un arbre de deux endroit distant de 10m sur une berge elle a pri
QveST [7]

Répondre:

AI = 32,36 m

IE = 30,78 m

Explication étape par étape:

Utilisation de Pythagore:

Cosθ = adjacent / hypoténus

AI = hypoténus

θ = 72 °

Adjacent = 10 m

Cos 72 = 10 / AI

0,3090169 = 10 / AI

AI = 10 / 0,3090169

AI = 32,36 m

De la trigonométrie;

IE = opposé

Adjacent = 10m

Tanθ = opposé / adjacent

Tan 72 = IE / 10

IE = Tan 72 * 10

IE = 3,0776835 * 10

IE = 30,78 m

4 0
3 years ago
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