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Ivenika [448]
3 years ago
14

What is the value of x in the equation 1.5(x + 4) – 3 = 4.5(x – 2)?

Mathematics
2 answers:
rjkz [21]3 years ago
7 0

Answer:

x= 4

Step-by-step explanation: got a hundred percent on the quiz

Gre4nikov [31]3 years ago
4 0
1.5(x+4)-3=4.5(x-2)
1.5x+6-3= 4.5x - 9
1.5 x+3=4.5x-9
3+9=4.5x-1.5x
12=3x
x=4
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Yesterday, the temperature et noon was 11.4" misright, the tempe tine had decreed by 15.7 degrees what was the
Ainat [17]

Answer:

-4.3 degrees

Step-by-step explanation:

if I understand the problem correctly, then the temperature at midnight fell 15.7 degrees from 11.4 degrees at noon.

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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!

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

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
5 0
3 years ago
Solve for c.<br> a(c+b) = d.
kipiarov [429]

Answer:

Step-by-step explanation:

Hello,

we assume that a is different from 0 otherwise there is not much we can say on c and then we can write

a(c+b)=d

<=> ac+ab=d

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<=> c = \dfrac{d-ab}{a} =\dfrac{d}{a}-b

Hope this helps

3 0
3 years ago
Which proportion can be used to find the arc length, s, in units?
Alinara [238K]

Answer:

Option B

Step-by-step explanation:

Formula to be used to calculate the length of an arc,

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By substituting values in the formula,

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Therefore, Option B will be the answer.

5 0
3 years ago
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