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vagabundo [1.1K]
3 years ago
9

I don't know how to do this

Mathematics
1 answer:
vesna_86 [32]3 years ago
7 0
He could have 30 dimes and 13 quartars
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Carlos used 6 boards to build 2/3 of a front porch. How many boards will Carlos use to build the whole porch? Express your answe
antiseptic1488 [7]

Answer:

9 boards

Step-by-step explanation:

2/3 of the porch= 6 boards

so to figure out how much one third of the porch needs you find half of what it takes to fill in 2/3 of the porch and you get 3.

so 3=1/3 of the porch

then you simply do 3times 3 or 3+3+3 and you get 9

so it takes 9 boards to fill the whole porch

8 0
3 years ago
Which of the following is more than 0.35 but less than 0.41
Hoochie [10]
Its B because 3/10ths is a little bit more than 0.35, but way less than 0.41
6 0
3 years ago
Read 2 more answers
Which numbers are 4 units from -2 on the number line
Artemon [7]

Let the number be x


Then the absolute value of the number from -2 should be 4


|x--2|=4


|x+2|=4


So either



(x+2)=4


x=4-2=2


Or


-(x+2)=4


x+2=-4



x=-4-2



x=-6



[tex] <B>The numbers are 2 and -6</B> [/tex[


They are four units away from -2 on the number line










4 0
3 years ago
a bullet train can travel at 170 miles per hour will a graph representing distance in miles compared to time an hour show a prop
lina2011 [118]
Yes it will. For every one hour, the train travels 170 miles. That’s the rate of change/ the ratio-> 1:170
8 0
3 years ago
Read 2 more answers
Percent of change from 115 to 338
MrRa [10]

Answer:

237 ⁹/23% change

Step-by-step explanation:

115=100%

337-155=273 which represents the increase

115=100

273=?

273×100÷115= 237 ⁹/23%

Answer =237⁹/23%

7 0
3 years ago
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