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3 years ago

Which three of the following are independent variables?

Mathematics

2 answers:

Alenkasestr [34]3 years ago

5 0

Insurance is the answer for your question

murzikaleks [220]3 years ago

3 0

usally registrations fees are set in stone mostly. gasoline usally depends on how many gallons a car holds or how much oil is because gas is a product of oil conversion. insurance depends on age of car, age of driver and experxience and total damages/wreks. tires depend on what brand and modle a car is . so i would go with registration fee, tires, and the thirs is a wild car at this point.

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A 15 ounce alloy containing 30% gold was mixed with an alloy containing 5% gold to get an alloy containing 20% gold. How many ou

Studentka2010 [4]

Answer:

4.5 % alloy

Step-by-step explanation:

Let x = amt of 30% alloy

The resulting total is to be 25 oz, therefore:

(25-x) = amt of 5% alloy:

A typical mixture equation:

.30x + .05(25-x) = .20(25)

.30x + 1.25 - .05x = 5 .30x - .05x = 5 - 1.25

.25x = 3.75

x = 3.75%2F.25

x = 15 oz of 30% alloy required

then

25-15 = 10 oz of 5% alloy:

Check solution

.30(15) + .05(10) = .20(25)

4.5 + .5 = 5

4 0

3 years ago

Help me answer this please:)

Dmitrij [34]

Answer:

A and B

Step-by-step explanation:

$\frac{7x+6}{2}\leq 3x+2 < ==multiply\ both\ sides\ by\ 2\\2(\frac{7x+6}{2}\leq 3x+2)\\\\7x+6\leq6x+4 < ==subtract\ -6x\ from\ both\ sides\ \\-6x \ \ -6x\\\\x+6\leq4 < ==subtract\ 6\ from\ both\ sides\\-6 \ \ \ -6\\\\x\leq-2 < ==answer\ should\ be\ anything\ less\ than\ or\ equal\ to\ -2$

Now, look at your answer choices, which options are less than or equal to -2?

x ≤ -2, Check your answers:

A. -3 ≤ -2?

This statement is correct (-3 is < -2)

B. -2 ≤ -2 <== our original answer

This statement is correct (-2 is = to -2)

C. -1 ≤ -2

This statement is incorrect (-1 is > -2, not ≤ -2)

D. 0 ≤ -2

This statement is incorrect (0 is > -2, not ≤ -2)

E. 1 < -2

This statement is incorrect (1 is > -2, not ≤ -2)

Therefore, the correct options are A and B

Hope this helps!

6 0

3 years ago

LaTeX: \frac{4}{5}\times\frac{7}{10}\:=\:4 5 × 7 10 =

Gennadij [26K]

Is that even an actual equation?

7 0

3 years ago

write the equation of the line, with the given properties, in slope-intercept form. slope = -5, through (-4,4)

Daniel [21]

Answer: y=-5x-16

Step-by-step explanation:

Since we are given the slope and the point, we can plug in the point to solve for y-intercept.

4=-5(-4)+b [multiply]

4=20+b [subtract both sides by 20]

b=-16

Now, we know the equation is y=-5x-16.

3 0

4 years ago

which has the greatest mass? a.) 3.88 x 10^22 moecules of O2, b.)1.00 g of O2, C.)0.0312 mol of O2, D.) All of these have the sa

tresset_1 [31]

The right option is A.

8 0

3 years ago