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balandron [24]
2 years ago
7

Choose an appropriate unit of measurement for each quantity

Mathematics
1 answer:
tangare [24]2 years ago
4 0
下兩一習床我門木戈來登九儡剪水門錄口驗啊卜
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Judy is selling small candles at the fair for $4 each and large candles for $6 each. She collected $144 selling a total of 28 ca
Pepsi [2]

Answer:

Number of small candles = 12

Number of large candles = 16

Step-by-step explanation:

Total candles = 28

x + y = 28 ---------------(I)

Cost of 'x' small candles = 4 *x = 4x

Cost of 'y' large candles = 6 *y = 6y

Total amount = $144

4x + 6y = 144 -------------(II)

Multiply equation (I) by (-4) and then add the equation. So, x will be eliminated and we can find the value of 'y'

(I) * (-4)            -4x - 4y = -112

(II)                  <u>  4x  + 6y = 144</u>              {Now, add}

                               2y = 32

                                y = 32/2

y = 16

Plug in y = 16 in equation (I)

x + 16 = 28

       x = 28 - 16

x = 12

4 0
2 years ago
Read 2 more answers
Find the surface area of a square pyramid with side length 4 mi and slant height 5 mi.
andriy [413]

Answer:

SA = 56 sq mi

Step-by-step explanation:

SA = area of base + 1/2(perimeter of base)(slant height)

SA = 16 + 1/2(16)(5)

SA = 16 + 8(5)

SA = 16 + 40

3 0
2 years ago
I need help on question number 1!!!
Tju [1.3M]
B 5 makes the most sense to me
8 0
3 years ago
The function t(x) = 3x + 1 determines how many cans of green beans a food truck needs to stock on board, where x is the number o
mash [69]

Answer: The amount of money he must be spent when the crew is going to work 2 shifts is $11.

Step-by-step explanation:

Since we have given that

the function t(x)=3x+1 determines how many cans of green beans a food truck needs to stock on board , where x is the number of shifts the crew is going to work in the truck.

And the function c(x)= x+4

Since the crew uses c(t(x)) to find the amount of money to spend on green beans .

So, we will use "Composition of functions ":

c(t(x))=(3x+1)+4\\\\c(t(x))=3x+5

Since the crew is going to work 2 shifts , so our answer will be

c(t(2))=3(2)+5\\\\c(t(2))=6+5\\\\c(t(2))=11

Hence, the amount of money he must be spent when the crew is going to work 2 shifts is $11.

6 0
3 years ago
Read 2 more answers
X/6 -5 = -2 please help ASAP
Mars2501 [29]

Answer: x = 18

Step-by-step explanation:

4 0
2 years ago
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