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3 years ago

5

Help help help help help help

1 answer:

Akimi4 [234]3 years ago

7 0

Answer:

1.d

2.c

3.b

4.a

Step-by-step explanation:

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Solve system by using substitution: 5x + 3y = -4 <br> y - 2x = 6

horrorfan [7]

Answer:

x = -11/3, y = -4/3

Step-by-step explanation:

$y-2x=6\\y = 2x + 6$

$3(2x + 6) = -4\\6x + 18 = -4\\6x = -22\\x = -11/3$

$3y = -4\\y = -4/3$

5 0

3 years ago

5. I need help with question in the attached picture!

igomit [66]

ANSWER

x=100,y=10

EXPLANATION

The given logarithmic equations are;

$log_{10}( {x}^{2} {y}^{3} ) = 7$

This implies that,

${x}^{2} {y}^{3} = {10}^{7} ...(1)$

and

$log_{10}( \frac{x}{y} ) = 1$

This implies that,

$\frac{x}{y} = {10}^{1}$

$x = 10y...(2)$

Put equation (2) into equation (1)

${(10y)}^{2} {y}^{3} = {10}^{7}$

$10 ^{2} y^{2} {y}^{3} = {10}^{7}$

${y}^{5} = {10}^{5}$

Hence y=10.

This implies

$x = 10(10) = 100$

3 0

3 years ago

6sacks of potatoes weigh 122.4 kg and 4 sacks of onions weigh 50 kg. What is the total amount of 1 sack of potatoes and 1 sack o

lys-0071 [83]

Answer: See explanation

Step-by-step explanation:

6 sacks of potatoes weigh 122.4 kg

1 sack would weigh 122.4 kg ÷ 6

122.4 ÷ 6 = 20.4

1 sack of potatoes weighs 20.4 kg

4 sacks of onions weigh 50 kg

1 sack would weigh 50 kg ÷ 4

50 ÷ 4 = 12.5

1 sack of onions weighs 12.5 kg

4 0

2 years ago

6=2(y+2) what is the value of y in the equation

uysha [10]

Answer: y = 1

Step-by-step explanation:

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3 years ago

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What digits? is there specific types?

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