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In-s [12.5K]
3 years ago
14

Help help help!

Mathematics
2 answers:
natulia [17]3 years ago
3 0
1. A 
**because 21/3 = 7/1
2. 51

zavuch27 [327]3 years ago
3 0
Question 1 answer:D 147 inches
Question 2 answer:C 29 Feet
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The following system has no solutions: y=4x+5 and y=2x+3<br><br> True<br> False
Hitman42 [59]
False, both lines are oblique (diagonal) so they meet at some point on a graph. They can only have no solutions if the lines are parallel/have the same slope.
7 0
3 years ago
When cai traveled from new orleans to the ozark mountains in arkansas the elevation changed from 7ft below sea level to 2,314 ft
Tanya [424]

Answer:

2321 ft.

Step-by-step explanation:

When Cai traveled from New Orleans to the Ozark Mountains in Arkansas the elevation changes from 7 ft below sea level to 2314 ft above sea level.

If we consider the elevation below sea level as negative and the elevation above sea level as positive, then the elevation changes from - 7ft to +2314 ft.

Therefore, the increment of elevation is by [2314 - (- 7)] = 2321 ft. (Answer)

7 0
3 years ago
Rachel's chocolate bar is 43% cocoa. If the weight of the chocolate bar is 68 grams, how many grams of cocoa does it contain? Ro
Yanka [14]

Answer:

29.24 grams

Step-by-step explanation:

It is given that,

Rachel's chocolate bar is 43% cocoa

The weight of the chocolate bar is 68 grams

We need to find how many grams of cocoa does it contain. It means it will contain 43% of 68 grams. It can be solved as follows :

C=\dfrac{43}{100}\times 68\\\\C=29.24\ \text{grams}

Hence, it will have 29.24 grams of cocoa.

7 0
3 years ago
Today only a table is being sold at a 15% discount. The sale price is $629
Musya8 [376]

Answer:

740

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
;-<br>y=3-2x<br>4x+2y=10 <br><br>what is the answer​
pentagon [3]
4x+2(3-2x)=10, 4x+6-4x=10, x+6=10, x=4
8 0
3 years ago
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