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Alenkasestr [34]
3 years ago
5

Rocco bought a soft drink for three dollars and six candy bars, He spent a total of twenty one dollars. How

Mathematics
1 answer:
Sophie [7]3 years ago
3 0

Answer:

x=3

Step-by-step explanation:

The equation will be 3+6x=21 since we know that the soft drink costs 3 dollars and he bought 6 candy bars(6 times x or 6x). We also know that the total cost for this merchandise is 21 dollars. Now you solve the equation! First subtract 3 from both sides(since the inverse for addition is subtraction we SUBTRACT 3 from bothe sides). You are left with 6x=21-3 or 6x=18. Now you divide Each side by 6(because the inverse operation of multiplication is division). You have the answer! x=18/6 or x=3! Hope it helped!!

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AABC ~ AXYZ
gayaneshka [121]

Answer:

s = 10

Step-by-step explanation:

since the triangles are similar then the ratios of corresponding sides are in proportion , that is

\frac{AB}{XY} = \frac{BC}{YZ} ( substitute values )

\frac{8}{4} = \frac{s}{5} ( cross- multiply )

4s = 40 ( divide both sides by 4 )

s = 10

8 0
2 years ago
Which expression is equivalent to -32 to 3/5 power
levacccp [35]

<u>Answer:</u>

8

<u>Step-by-step explanation:</u>

We are given the following expression and we are to find the simplest form of this expression:

- 3 2 ^ { \frac { 3 } { 5 } }

First of all, we will factor the coefficient:

3 2 = 2 ^ 5

Rewriting it as:

- ( 2 ^ 5 ) ^ { \frac { 3 } { 5 } }

Applying the exponent rule (a^b)^c = a^{bc} to get:

-2^{5.\frac{3}{5}}=-2^3

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6 0
3 years ago
Item 17 The amount of chlorine in a swimming pool varies directly with the volume of water. The pool has 2.5 milligrams of chlor
zvonat [6]
8000 gal *\frac{ 1 L}{0.264 gal}*\frac{2.5 mg}{1 L} = 75,757 mg

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7 0
3 years ago
On Monday, 339 students went on a trip to the zoo. All 6buses were filled and 9 students had to travel in cars. How many student
marissa [1.9K]

Answer: Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
Your friend claims that if a line has a slope less than 1, then any line perpendicular to it must have a positive slope. Is your
mezya [45]

Answer:

The friend's claim is not correct

Step-by-step explanation:

we know that

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal yo -1)

Example

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the slope of the line perpendicular to the given line is equal to

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substitute

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so

the perpendicular line don't have a positive slope

therefore

The friend's claim is not correct

5 0
3 years ago
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