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3 years ago

Can someone help me with this Standard form? I don’t quite exactly understand what I would be putting for the X side

Mathematics

1 answer:

solniwko [45]3 years ago

8 0

For the x Side you have to put 5x.

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What is 5x - 3 = 17?

Anastasy [175]

$5x-3=17\\\\5x-3+3=17+3\\\\5x=20\\\\5x:5=20:5\\\\x=4$

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3 years ago

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(x)+(x+1)+x+2)+(x+3)=216 find 4 consecutive odd integers

lubasha [3.4K]

If it were four consecutive odd numbers then it would be x, x+2, x+4, x+6 and not x, x+1, x+2, x+3. That is just four consecutive integers.

So if you want four consecutive ODD numbers then:

x+x+2+x+4+x+6=216

4x+12=216

4x=204

x=51 so the odd integers would be:

51, 53, 55, 57

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3 years ago

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Jim sells used drones for 70% of the original manufacturer's purchase price of a new drone. Jim also sells new drones for 15% mo

adell [148]

The function for the amount saved if they purchase a used drone rather than a new drone from Jim's store is f(x) = 0.45x

He sells used drones at 70% of the price (x).

So, the selling price of a used drone is:

$\mathbf{Used = 70\% \times x}$

Express percentage as decimal

$\mathbf{Used = 0.7 \times x}$

$\mathbf{Used = 0.7x}$

Also, he sells new drones at 15% more of the price (x).

So, the selling price of a new drone is:

$\mathbf{New= (1 + 15\%) \times x}$

Express percentage as decimal

$\mathbf{New= (1 + 0.15) \times x}$

$\mathbf{New= 1.15 \times x}$

$\mathbf{New= 1.15x}$

The amount saved is the difference between the prices of the drones.

So, we have:

$\mathbf{Saved =New - Old}$

This gives

$\mathbf{Saved =1.15x- 0.7x}$

Subtract

$\mathbf{Saved =0.45x}$

Express as a function

$\mathbf{f(x) = 0.45x}$

Hence, the function for the amount saved is f(x) = 0.45x

Read more about proportions at:

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2 years ago

Describe the number 78 in 2 different ways

Vladimir [108]

Find each percent to the nearest percent. State if it is an icrease or a decrease. From 45 ft to 92 ft

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Witch number produces a rational number when multiplied by 0.25

Oxana [17]

Is there like a question on paper with choices? It’s kind of confusing when you need to multiply yourself, and it seems like there would be a A, B, C, D on this.

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