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vovikov84 [41]
3 years ago
11

What is 30x pulse 80x

Mathematics
2 answers:
nataly862011 [7]3 years ago
7 0
It would be 110x because they are like units, so they can be added together. Really, you are just doing 80 plus 30, and then adding an x on the end.
Tanya [424]3 years ago
4 0
I got 110 as well. you are just basically adding both numbers together...basically what the other person said..In addition since there both like terms they can be added together.
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What error did Barbara make in writing the equation
Kay [80]

Answer:

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Step-by-step explanation:

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3 years ago
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Bruce saved $ 35.00 to buy a new video game. The game's original price was $ 42.00 , but it was on sale for 30% off. The sales t
Brilliant_brown [7]

Bruce have $35 which is greater than amount to be paid i.e. $30.87 . So , Bruce have enough money to buy the game .

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

Here we have , Bruce saved $ 35.00 to buy a new video game. The game's original price was $ 42.00 , but it was on sale for 30% off. The sales tax rate was 5%.  We need to find Did Bruce have enough money to buy the game .Let's find out:

We have , Bruce saved $ 35.00 to buy a new video game . The game's original price was $ 42.00 , but it was on sale for 30% off. i.e.

Price = Original price - \frac{Original-price(30)}{100}

⇒ 42-\frac{42(30)}{100}

⇒ 42-\frac{1260}{100}

⇒ 42-12.6

⇒ 29.4

Now,  The sales tax rate was 5%. So , total amount to be paid is :

⇒ 29.4 + \frac{29.4(5)}{100}

⇒ 29.40 +1.47

⇒ 30.87

Bruce have $35 which is greater than amount to be paid i.e. $30.87 . So , Bruce have enough money to buy the game .

4 0
4 years ago
At Hank's Hobbies, a package of 16 model car tires sells for $11.52. and a package of 20 model car tires sells for $13.50. Which
Andru [333]

Answer:

The 20 model is cheaper.

Step-by-step explanation:

There would be 0.72 cents for each tire if you bought 16. If you buy 20, you pay 0.67 cents. Therefore the 20 pach is cheaper.

3 0
3 years ago
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vovikov84 [41]

Answer:

-1

Step-by-step explanation:

Formula: y=mx+b

<u>Using two points:</u>

Since we are given the y and x value, what is left is the m and b in the formula, which represent slope and the y-intercept.

<u>Slope</u>

m is slope

Formula: \frac{y_2-y_1}{x_2-x_1}

Plug points:  \frac{3-(-2)}{4-9}

Solve:            \frac{5}{-5}

Simplify:       \bold{m=-1}

Therefore, the slope is -1

Learn more:

<u>y-intercept</u>

b is the y-intercept

Plug one of the points and the slope into the formula, solve for b: (4, 3)

3=-1(4)+b

3=-4+b

3+4=-4+b+4

\bold{b=7}

6 0
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What fraction of an hour is 45 minutes
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Three quarters, or 75% of an hour. An hour is 60 mins, so it can be expressed as 45/60, which simplifies into 3/4.
3 0
3 years ago
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