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3 years ago

Matt buys an item with a normal price of $25 and uses a 10% off cupon. How much does he save by using the coupon?

Mathematics

2 answers:

Anika [276]3 years ago

7 0

By using this coupon he will save $2.50. You have to multiply 25 by 0.10.

nirvana33 [79]3 years ago

7 0

Answer:

$2.5

Step-by-step explanation:

The amount saved is 10% of $25

That’s

10% /100% x $25

0.1 x $25

$2.5

Amount saved is $2.5

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There are 364 students who are enrolled in an introductory biology course. If there are five boys to every eight girls, how many

Butoxors [25]

Answer:

The number of boys in the course will be = 140

Step-by-step explanation:

Given:

Total number of students enrolled in an introductory biology course = 364

There are 5 boys to every 8 girls in the course.

To find how many boys are in the course.

Solution:

Since, there are 5 boys to every 8 girls in the course.

So, ratio of boys to girls enrolled in the course = 5 : 8

Let the number of boys in the course be = $5x$

Then number of girls in the course will be = $8x$

Total number of students would be given as:

⇒ <em>Number of boys + Number of girls</em>

⇒ $5x+8x$

⇒ $13x$

Total number of students given = 364.

Thus, we have:

$13x=364$

solving for $x$

Dividing both sides by 13.

$\frac{13x}{13}=\frac{364}{13}$

∴ $x=28$

So, number of boys in the course will be = $5\times 28$ = 140

5 0

3 years ago

Sierra has 3 feet of ribbon to make bows for friends.She uses 1/5 of a foot of ribbon for each bow. She think she can make more

lubasha [3.4K]

Agree with the girl making the bows because to make three bows all you need is 3/5 feet of ribbon, which isn’t even a full foot

6 0

3 years ago

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A normal distribution has a mean of 14 and a standard deviation of 4. What percent of values are from 14 to 22?

Ivenika [448]

Answer:

80% of the values will occurs above 68.24.

Step-by-step explain

thinking this is right but im sorry if its wrong

3 0

3 years ago

The radius of this ball is 15 inches. Which equation gives the ball's surface area, in square inches?

lilavasa [31]

Best to look up the formula for the surface area of a sphere and then find it:

A = 4πr^2, where r is the radius of the sphere. Then,

A = 4π(15 in)^2 = 4(3.14)(225 in^2) = 2826 in^2 (answer)

This is represented by the formula given in the lower left.

8 0

3 years ago

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Please show all your work!!!

Alex73 [517]

Answer:

y= -6/5x -3

Step-by-step explanation:

So for now lets bring it into mx + b format

Subtract 6x from both sides to isolate y which is also called subtraction property of equality.

so 5y = -6x -15

Now you divide both sides by 5 which is called division property of equality.

You now have y = -6/5x - 3

y= -6/5x -3 is the slope intercept form of the standard form equation of 6x + 5y = -15.

Hope this helps!

3 0

2 years ago