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devlian [24]
3 years ago
9

If a dozen widgets cost 30.00 how much will 80 cost

Mathematics
1 answer:
viktelen [127]3 years ago
7 0
The answer would be $2,400
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The average age of three people running for election is 42. A fourth person joins the race and the average drops to 40. What is
Anton [14]

Answer:

B - 34 years old

Step-by-step explanation:

First you have to multiply 42 times 3 to find the total age of the three people. Then multiply 40 times 4 to find the age of the four people in all. Subtract.

42 × 3 = 126

40 × 4 = 160

160 - 126 = 34

7 0
3 years ago
What is the slope of the line that passes through 9,5 and 4,5
Vesnalui [34]

Answer:

0

Step-by-step explanation:

slope m = (y₂ - y₁) / (x₂ - x₁)

             = (5 - 5) / (4 - 9)

             = 0 / -5

             = 0

6 0
3 years ago
Read 2 more answers
As a laboratory assistant, you measure chemicals using the metric system. For your current research, you need to measure out 45
tankabanditka [31]
There are about 28 grams in an ounce so 45/28 is about 1.5
8 0
4 years ago
Read 2 more answers
Find the value of a and b<br>(a) 3: 5 = a: 15<br><br>(b) 40: 16 = 10:b​
masha68 [24]

Answer:

a = 9 I think

Step-by-step explanation:

I am still trying do b

4 0
4 years ago
Please answer fully///////////////
Georgia [21]

Answer:

14

Step-by-step explanation:

(4+(16-1)/5)*2

(4+15/5)*2

(4+3)*2

7*2

14

5 0
3 years ago
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