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krok68 [10]
3 years ago
15

Heather made 4 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for all 4 necklace

s was $23.60. If the beads
cost a total of $12.40, how much did each pendant cost?
Mathematics
2 answers:
serg [7]3 years ago
8 0
It would be $11.2 bc if you subtract $12.40 from $23.60 you get $11.2
monitta3 years ago
7 0

Answer:

$2.80

Step-by-step explanation:

23.60 - 12.40 = 11.2

11.2 ÷ 4 = 2.80

$2.80

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chubhunter [2.5K]
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8 0
3 years ago
An electrician cuts a 136 foot long piece of cable. One piece is 16 feet less than 3 times the length of the other piece. Find t
Ugo [173]

Answer:

98 ft  and   38 ft

Step-by-step explanation:

We know that the initial length of the piece is  136 feet

Then the piece is cut into two pieces.

Let's call x the length of the first piece  of cable and call z the length of the second piece of cable.

So we know that

x + z = 136

and

x = 3z-16

Now we substitute the second equation in the first one and solve for the variable z

3z-16 + z = 136

4z-16= 136

4z= 136+16

z= \frac{152}{4}

z=38\ ft

Now we find the length x

x + 38 = 136

x= 136-38

x= 98\ ft

7 0
4 years ago
The height of a triangle is 4 m less than its base. The area of the triangle is 48 m².What is the length of the base?
yaroslaw [1]

Triangle Area = .5 * base * height

48 = .5 * (x +4) * x

48 = (.5x + 2) * x

48 = .5x^2 + 2x

.5x^2 + 2x -48 = 0

x = 8

base = 12

5 0
3 years ago
Read 2 more answers
PLS HELP ASAP I WILL GIVE BRAINLIST
Artist 52 [7]

Answer:

the answer is 14

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
(b) What portion of the official U.S. poverty threshold (roughly $29,000 for a family of four) is met by the World Bank’s measur
otez555 [7]
World Bank's threshold for poverty is $1.25 per person per day. 
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Daily income = (number of people) * threshold
Daily income = 4 * $1.25
Daily income = $5
For a year this is:
Yearly income = (daily income) *365
Yearly income = $5 *365
Yearly income = $1825

U.S. poverty threshold is set at $29000. Portion of threshold can be calculated as:
Portion\text{ }of\text{ }threshold= \frac{Poverty\text{ }threshold\text{ }(World\text{ }Bank)}{Poverty\text{ }threshold\text{ }(U.S.)} *100\% \\  \\ Portion\text{ }of\text{ }threshold= \frac{1825}{29000} *100\% \\  \\ Portion\text{ }of\text{ }threshold=6.29\%

The poverty threshold measured by World Bank is 6.29% of the U.S. poverty threshold.
5 0
3 years ago
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