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3 years ago

6

-0.03 + 1.7 = Add Anyone know the answer

1 answer:

deff fn [24]3 years ago

5 0

The Answer Is 1.67 For Your Equation

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What is 121,580 rounded to the nearest thousand?

AfilCa [17]

$121,580\approx122,000$

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3 years ago

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(05.03 LC) 15 POINTS + BRANLIEST PLEASE HELP!!!!!

Vanyuwa [196]

Initial value is the value of y where x = 0 (y-intercept).

You are already given that line contains point (0, 5). The y-coordinate is 5 therefore answer is C.
Please mark Brainliest

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3 years ago

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A company that rents small moving trucks wants to purchase 25 trucks with a combined capacity of 28,000 cubic feet. Three differ

pickupchik [31]

Answer:

We have 4 solutions:

No 10-foot truck, 10 14-foot trucks, and 15 24-foot trucks
2 10-foot trucks, 7 14-foot trucks, and 16 24-foot trucks
4 10-foot trucks, 4 14-foot trucks, and 17 24-foot trucks
6 10-foot trucks, 1 14-foot trucks, and 18 24-foot trucks

Step-by-step explanation:

Let the number of 10-foot truck with a capacity of 350 cubic feet purchased=a

Let the number of 14-foot truck with a capacity of 700 cubic feet purchased=b

Let the number of 24-foot truck with a capacity of 1,400 cubic feet purchased=c

The company wants to purchase 25 trucks, therefore.

a+b+c=25

Furthermore, the combined capacity of the trucks is 28,000 cubic feet.

350a+700b+1400c=28000

Since the number of equations is less than the number of variables, you can not use a matrix equation to solve this problem. The solution is most easily found using an augmented matrix.

The augmented matrix is presented below:

$\left[\begin{array}{ccc|c}1&1&1&25\\350&700&1400&28000\end{array}\right]$

Using the calculator, the reduced row echelon form is:

$\left[\begin{array}{ccc|c}1&0&-2&-30\\0&1&3&55\end{array}\right]$

where

a- 2c=-30 means a =2c-30

b+3c=55 means b= 55-3c

We alter the value of c as long as neither a nor b becomes negative. Suitable values for c are 15, 16, 17, and 18:

$\left|\begin{array}{|c||c||c|}a=2c-30&b=55-3c&c\\0&10&15\\2&7&16\\4&4&17\\6&1&18\end{array}\right|$

We can easily verify that, for each solution, the number of trucks adds up to 25 and the fleet capacity is 28,000 cubic feet.

We therefore have 4 solutions:

No 10-foot truck, 10 14-foot trucks, and 15 24-foot trucks
2 10-foot trucks, 7 14-foot trucks, and 16 24-foot trucks
4 10-foot trucks, 4 14-foot trucks, and 17 24-foot trucks
6 10-foot trucks, 1 14-foot trucks, and 18 24-foot trucks

4 0

4 years ago

Fiona wrote the linear equation y = 2/5 x – 5. When Henry wrote his equation, they discovered that his equation had all the same

Hoochie [10]

we have

$y=\frac{2}{5}x-5$

Let's Isolate the variable y in each of the cases and then compare with Fiona's equation to determine the solution of the problem

case A) $x-\frac{5}{4}y= \frac{25}{4}$

Multiply by $4$ both sides

$4x-5y= 25$

$5y=4x-25$

Divide by $5$ both sides

$y=\frac{4}{5}x-5$

therefore

the case A) is not equal to Fiona's equation

case B) $x-\frac{5}{2}y= \frac{25}{4}$

Multiply by $4$ both sides

$4x-10y= 25$

$10y=4x-25$

Divide by $10$ both sides

$y=\frac{2}{5}x-2.5$

therefore

the case B) is not equal to Fiona's equation

case C) $x-\frac{5}{4}y= \frac{25}{2}$

Multiply by $4$ both sides

$4x-5y= 50$

$5y=4x-50$

Divide by $5$ both sides

$y=\frac{4}{5}x-10$

therefore

the case C) is not equal to Fiona's equation

case D) $x-\frac{5}{2}y= \frac{25}{2}$

Multiply by $2$ both sides

$2x-5y= 25$

$5y=2x-25$

Divide by $5$ both sides

$y=\frac{2}{5}x-5$

therefore

the case D) is equal to Fiona's equation

<u>the answer is</u>

$x-\frac{5}{2}y= \frac{25}{2}$

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3 years ago

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8 - 1/3x = 16 <br> PLEASE ANSWER ITS DUE TOMORROW

Ilya [14]

X = 8/(-1/3) therefore the answer is -24

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3 years ago