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ddd [48]
3 years ago
10

Select the best answer. About how much will a $459.95 LCD TV cost including the sales tax of 8.25%?

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
5 0
I used the Old Change New method and I crossed multiplied.
The answer is about $498 (I rounded $497.895875)
Check: $498>459.95 by 8.25%

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If nm = 8x - 14 and jk = x squared + 1, find JK
marissa [1.9K]

A parallelogram in which adjacent sides are perpendicular to each other is called a rectangle. The length of Jk can be either 10 or 26.

<h3>What is a rectangle?</h3>

A parallelogram in which adjacent sides are perpendicular to each other is called a rectangle. A rectangle is always a parallelogram and a quadrilateral but the reverse statement may or may not be true.

Since in a rectangle the opposite sides are equal, therefore, the sides NM and JK will be equal.

JK = MN

8x - 14 = x² + 1

0 = x² - 8x + 15

x = 5, 3

Hence, the length of Jk can be either 10 or 26.

The complete questions are:

Quadrilateral JKMN is a rectangle, if NM= 8x - 14 and JK= x squared + 1, find JK.

Learn more about Rectangle:

brainly.com/question/15019502

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8 0
2 years ago
Evaluate x divided 4 for x=48
scoray [572]
You have to divide 48 by 4. How many times does 4 go into 48.....................12 times.
3 0
3 years ago
PLSSS HELPP I WILL GIVE BRAINLIEST!!!! NEED ASAPPP
IRINA_888 [86]

Answer:

s = 130 degrees

Step-by-step explanation:

decagon has a 1,440 degrees interior angles

equation: 1,440 = s + 1310

to find s, add all the known angles

⇒ s + 150 + 170 + 160 + 130 +120 + 160 + 105 + 160 +155

⇒ s + 1,310

equation:

s + 1310 = 1440

subtract each side by 1310

⇒ s + 1310 - 1310 = 1440 - 1310

⇒ s = 130

4 0
2 years ago
Read 2 more answers
Travis drove 324 miles and used 12 gallons of gasoline. Find the unit rate
zysi [14]

Answer:

27

Step-by-step explanation:

324 /12 = 27

I think this might be it hope it helps

3 0
3 years ago
you buy a package of 6 rolls of paper towels for $5.74 and another package of 12 rolls for $16.97 at this linear rate, how much
Keith_Richards [23]

Answer:

23.24 i think

Step-by-step explanation:


3 0
3 years ago
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