3 years ago

5r/2-6=19 Solve with work shown

Mathematics

1 answer:

nordsb [41]3 years ago

3 0

Answer:

3n 45-

Step-by-step explanation:

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Write the expanded from of h(3k-12.4)

rewona [7]

Answer:

3kh - 12.4h

Step-by-step explanation:

h(3k-12.4)

= h(3k) - h(12.4)

= 3kh - 12.4h

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2 years ago

HELP ME: A camera usually sells for $68. Because it was slightly damaged, it sold for $59.90, what was the rate of the discount

soldier1979 [14.2K]

12%
$68 - 59.9 = $8.1
$8.1/$68 = 0.11911764705
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1 year ago

Read 2 more answers

An irrational number between 5 and 7

zhenek [66]

One irrational number between 5 and 7 is $\sqrt{37}$ .

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2 years ago

Raul bought a soft drink and a sandwich for $9.90 . Which is he price of each if the sandwich cost 3.5 times as much as the soft

Radda [10]

B. Sandwich costs $7.70 and the soda costs $2.20

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3 years ago

If x + 3y = 7 and x - 3y =7 , then find y<br><br> Please help me

telo118 [61]

Answer:

$x + 3y = 7 , x - 3y = 7 : y = , x = 7$

Step-by-step explanation:

$\left[\begin{array}{ccc}x + 3y = 7\\x - 3y = 7\end{array}\right]$

Isolate $x$ for $x + 3y = 7 : x = 7 - 3y$ :

Substitute $x = 7 - 3y$ :

$\begin{bmatrix}7-3y-3y=7\end{bmatrix}$

Isolate $y$ for $7 - 3y - 3y = 7 : y = 0$ :

For $x$ $=7-3y$

Substitute $y = 0$

$x=7-3 * 0$

$7 - 3 * 0 = 7$

$x = 7$

The solution to the system of equations are:

$y=0,\:x=7$

Hope I helped. If so, may I get brainliest and a thanks?

Thank you. Have a good day! =)

3 0

3 years ago