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Musya8 [376]
3 years ago
13

The difference between a number x and 17 is 21.

Mathematics
2 answers:
Amanda [17]3 years ago
6 0

Answer:38

Step-by-step explanation:sure answer:

X-17=21

X=21+17(when we transpose -ve becomes positive)

X=38

aev [14]3 years ago
3 0

Answer:

x = 38

Step-by-step explanation:

The difference between a number x and 17  = x-17

which is equal to 21

so,

x-17=21

add 17 on both sides

⇒x=21+17

∴x = 38

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Use the order of operations to evaluate -(3 2) 2 + 4 * 3 - 2
LenaWriter [7]

So first remember the order of operations. Parentheses, exponents, multiply, divide, addition, subtraction.

So we have the following problem.

-(3*2)2+4*3-2

Multiply the three and two inside the parentheses first.

-6*2+4*3-2

Next multiply any numbers that need multiplied.

-12+12-2

Next add and subtract from left to right to get an answer of...

-2


Hope this helps!

4 0
3 years ago
A Web music store offers two versions of a popular song. The size of the standard version is 2.8 megabytes (MB). The size of the
Serga [27]

Answer:

Number of high quality version downloads = 880

Step-by-step explanation:

Let,

x be the number of standard version songs downloaded

y be the number of high quality version songs downloaded

According to given statement,

x+y=1600        Eqn 1

2.8x+4.1y=5624     Eqn 2

Multiplying Eqn 1 by 2.8 to eliminate x

2.8(x+y=1600)

2.8x+2.8y=4480     Eqn 3

Subtracting Eqn 3 from Eqn 2

(2.8x+4.1y)-(2.8x+2.8y)=5624-4480

2.8x+4.1y-2.8x-2.8y=1144

1.3y=1144

Dividing both sides by 1.3

\frac{1.3y}{1.3}=\frac{1144}{1.3}\\y=880

Hence,

Number of high quality version downloads = 880

3 0
3 years ago
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malfutka [58]
Answer is a. (2,2)
Because for it to be a function each x value can only have one y value. And in the chart it says x is 2 and 8
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3 years ago
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Feliz [49]

Answer:

8.0%

Step-by-step explanation:

<u>.8</u> * 5,000 = 400

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3 years ago
Every summer I drive to San Diego. It is 700 km to get there. If I average 100 km/hr, how much time will I spend driving?
Ilya [14]

Answer: 7 hours

Step-by-step explanation: Driving one kilometer per hour, all you have to do is divide 700/100 to get your answer which is seven.

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2 years ago
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