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dangina [55]
3 years ago
13

Suppose that 11 inches of wire costs 33 cents. At the same rate, how many inches of wire can be bought for 18 cents?

Mathematics
2 answers:
VikaD [51]3 years ago
6 0

Answer:6 inches

Step-by-step explanation:

11inch=33 cents

1 cent can buy 11/33= 1/3 inches

18 cents can buy 18 * 1/3 = 6 inches

neonofarm [45]3 years ago
6 0

Answer:

6in. = 18 cents

Step-by-step explanation:

1. Find out how many inches it costs for one inch ( 33/11 = 3)

2. divide 18 by 3 and get 6.

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15 decreased by twice a number x in algebriac expression
postnew [5]
2x - 15

15 is decreased that is the key word here which indicates subtraction.

twice a number with given variable x is 2x

subtraction always goes behind so 2x - 15
4 0
3 years ago
Can someone please help me
Otrada [13]
7+8 is the answer
But it can also be 11
5 0
2 years ago
The perimeter of quadrilateral is 58 centimeters. If the lengths of three sides are 14 cm, 15 cm, and 17 cm, what is the length
kicyunya [14]

Answer:

12

Step-by-step explanation:

15 + 14 + 17= 46

58 - 46= 12

hope this helps! xoxo raina

4 0
2 years ago
Tell whether the equation has one solution, infinite many solutions, or no solutions. -2k + 7 = 4k - 6k + 7
sattari [20]

Answer:

Infinite many solutions

Step-by-step explanation:

All real numbers

4 0
3 years ago
Which group of three squares will form a right triangle when<br> joined at their vertices?
Ilia_Sergeevich [38]

Answer:

Option ?) 17 cm, 15 cm, 8 cm

<em>The assignment should have </em><em>four options</em><em> to choose from, but there is only a picture of two. </em>

Step-by-step explanation:

<em>None of the squares </em><em>shown</em><em> form a right triangle. To determine if sides form a right triangle, you use </em><em>this</em><em> formula:</em>

a²+b²=c²

<em>We are given two options in the picture.</em>

Option A) 18, 10, and 8.

Option B) 12, 9, and 6.

<em>So, now we need to apply the formula:</em>

Option A)

║8² + 10² = 18²

  ↓

║64 + 100 = 324

  ↓

║FALSE

Option B)

║6² + 9² = 12²

  ↓

║36 + 81 = 144

  ↓

║FALSE

<em>Both of these options are false.</em><em> But, I decided to look up this assignment to check my answer. It turns out, there are </em><em>4 options</em><em>, and you only had a picture of two. So, what's the answer?</em>

<em />

<em>There is an answer choice that shows 3 squares with the lengths of 17 cm, 15 cm, and 8 cm. </em><em>This is the correct answer</em><em>.</em>

<em />

<em>For proof, let's apply the formula:</em>

Option ?)

║8² + 15² = 17²

  ↓

║64 + 225 = 289

  ↓

║TRUE

<em>[Since the option isn't shown, I'll put a '?' so there is no confusion]</em>

8 0
3 years ago
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