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3 years ago

5x + 4y = 6 and y = 5/4x + 5

Mathematics

1 answer:

yawa3891 [41]3 years ago

4 0

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

(−7/5,13/4)

Equation Form:

x=−75,y=134x=-75,y=134

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Put these values in order from least to greatest. 7/8,84%,0.821

Darina [25.2K]

Answer:

0.821, 84%, 7/8

Step-by-step explanation:

So, first, you have to convert them all to the same form. We'll be using decimals.

7/8= 0.875

84%= 0.84

0.821

Now, just put them in order and use the original form in your final answer.

0.821, 0.84, 0.875

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3 years ago

What is the inverse of the function f(x)=2x^2-3

Soloha48 [4]

Write y=2x2+3 . Exchange x , y and solve for y. x= 2y2+3. y2=x−32. y = √x−32 is the required inverse function of f(x).

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3 years ago

There are 4 possible first steps for solving 4x - 3 = 9 -5x

Likurg_2 [28]

Answer:

1 1/3

Step-by-step explanation:

4x-3=9-5x

9x=12

x=12/9

x=4/3

x= 1 1/3

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3 years ago

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Solve the following proportion. х 42 35 10

anzhelika [568]

Answer:

Step-by-step explanation:

The proportion is equal to $\frac{x}{10}=\frac{42}{35}$

We can simplify the right side by dividing by 7/7 to get the right side equal to 6/5. Now we can cross-multiply to get

$60=5x$

Dividing both sides by 5, we have the answer as

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3 years ago

"At $1.29 million, they closed last month for...26 percent above what they paid in 2007." How much did they pay in 2007?

Morgarella [4.7K]

Answer: Amount that they paid in 2007 is 1.01 millions.

Step-by-step explanation:

Since we have given that

Number of millions paid last month = $1.29 millions

According to question, it was 26% above what they paid in 2007.

Let the amount paid in 2007 be x

So, our equation becomes,

$\frac{100+27}{100}\times x=1.29\\\\\frac{127}{100}\times x=1.29\\\\1.27\times x=1.29\\\\x=\frac{1.29}{1.27}\\\\x=1.01\ millions$

Hence, Amount that they paid in 2007 is 1.01 millions.

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4 years ago

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