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3 years ago

|4x−4(x+1)|=4 find x

Mathematics

1 answer:

ValentinkaMS [17]3 years ago

6 0

Answer: x= 5

Step-by-step explanation:

Let's solve your equation step-by-step.

4x+2=2(x+6)

Step 1: Simplify both sides of the equation.

4x+2=2(x+6)

Simplify: (Show steps)

4x+2=2x+12

Step 2: Subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

Step 3: Subtract 2 from both sides.

2x+2−2=12−2

2x=10

Step 4: Divide both sides by 2.

2x /2 = 10 /2

x=5

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3 years ago

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nasty-shy [4]

Answer:

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3 years ago

Minny has two coupons, but can use one of them. The first one is for $5 off an item; the second coupon is for 20% off an item. T

joja [24]

Let's first solve for the $5 off coupon,

$28 - 5 = 23$

The final total is $23.00 with $5 off.

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Now for the final price of the 20% off coupon,

$20\% = 0.2$

0.2 or 0.20 is decimal form of 20%. Easier to multiply than in percent form!

$0.2 \times 28 = 5.6$

$5.6 or $5.60 is 20% of 28, we're not done yet!

Lastly, subtract 20% off of 28 (5.6) from 28,

$28 - 5.6 = 22.4$
$22.4 or $22.40 is the final after 20% off!

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Q. Which is less after the discounts??

$23.00 or $22.40

A. $22.40 of course which was the 20% off.

Part A : Which coupon should she use ?

Answer : Well, to get a lower price, less to pay, the 20% off coupon is better!

Part B: How much money will she save by using the better coupon?

Answer : $5.6 / $5.60 is the amount she'll save!

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I hope that helps you out!!

Any more questions, please just ask me!!

~ Zoey

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3 years ago

Terri has 7 pens in a box.

lora16 [44]

a) I have attached an image of a probability tree diagram.

b) 0.02332 (please round to where you need)

The probability that Terri chooses a blue pen is 2/7. The probability that Terri chooses a red pen is 4/7. The probability that Terri chooses neither a red nor blue pen is 1/7.

2/7 x 4/7 x 1/7 = 0.02332

Hope this helps! :)

6 0

3 years ago

Clarence sells yearly subscriptions to a particular magazine. He sells at least 10 and no more than 25 subscriptions each week.

kobusy [5.1K]

We have that Clarence sells yearly subscriptions to a particular magazine.

He sells at least 10 and not more than 25 subscriptions each week.

The function f(t) = 48t represents the amount of money earned for selling t subscriptions each week.

So;

10 ≤ t ≤ 25

f(t) therefore is 48(10) ≤ f(t) ≤ 48(25)

This gives: 480 ≤ f(t) ≤ 1200

So the amount of money earned f(t) for selling t subscriptions each week is all multiples of 48 between 480 and 1200, inclusive.

8 0

3 years ago

Read 2 more answers