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3 years ago

Which is the better deal, 139.99 with 20 percent in discountor 139.99 with $20 in discount

Mathematics

1 answer:

Leno4ka [110]3 years ago

3 0

20% discount is definitely the $ saver!

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% ____of $10 = $1<br> Helppppppo

Len [333]

10% is equal to $10 = $1

7 0

3 years ago

Simplify 2(a+5)−3(5a−4)

Nutka1998 [239]

Answer:

$-13a+22$

Step-by-step explanation:

we have

$2(a+5)-3(5a-4)$

step 1

Apply the distributive property both terms

$2a+2(5)-3(5a)+3(4)$

$2a+10-15a+12$

step 2

Combine like terms

$(2a-15a)+(10+12)$

$(-13a)+(22)$

$-13a+22$

4 0

3 years ago

This one is a tough one. If you can explain it to me that’ll me great.

Crazy boy [7]

Answer:

C. 73 if I have read the given angle measurements correctly.

The angle measurements I see are:

$219^\circ$

$(x-50)^\circ$

$(x+45)^\circ$ .

Step-by-step explanation:

Those angles together form a full rotation. A full rotation is equal to 360 degrees.

So we have the following equation to solve:

$219+(x-50)+(x+45)=360$

Combine like terms:

$(x+x)+(219-50+45)=360$

Simplify:

$2x+(219-5)=360$

$2x+214=360$

Divide both sides be 2:

$x+107=180$

Subtract 107 on both sides:

$x=180-107$

$x=73$

5 0

3 years ago

Read 2 more answers

Mr. Sanchez’s class sold fruit pies for $1.55 each and Mr. Kelly’s class sold bottles of fruit juice for $1.40 each. Together, t

Blababa [14]

Answer:

x + y = 60 and 1.55x + 1.4y = 88.20 and the solution is x = 32 and y = 28.

Mr. Sanchez’s class earned more money by $10.4.

Step-by-step explanation:

Mr. Sanchez’s class sold fruit pies for $1.55 each and Mr. Kelly’s class sold bottles of fruit juice for $1.40 each.

Let the number of sold fruit pies is x and bottles of fruit juice is y.

So, from the given condition we can write

x + y = 60 ........ (1)

⇒ 1.4x + 1.4y = 84 ....... (2) and

1.55x + 1.4y = 88.20 ........ (3)

Now, solving equations (2) and (3) we get (1.55 - 1.4)y = (88.2 - 84)

⇒ y = 28

And from equation (1) we get x = 60 - 28 = 32.

Therefore, Mr. Sanchez’s class earned more money. (Answer)

Now, this class have earned $(32 × 1.55 - 28 × 1.4) = $10.4 more. (Answer)

5 0

3 years ago

Read 2 more answers

Integers are also known as....

Arada [10]

In short, the set formed by the negative integers, the number zero and the positive integers (or natural numbers) is called the set of integers. Integer is also known as a whole number.

5 0

3 years ago