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Ksenya-84 [330]
3 years ago
15

a stack of congruent blocks, piled one on top of the other, is 4/5 foot high. Each block is 1/10 foot tall. How many blocks are

in the stack?
Mathematics
1 answer:
kvasek [131]3 years ago
6 0
8 blocks because 2/10=1/5 so if they total 4/5 then 2/10+2/10+2/10+2/10=8/10=4/5
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Jacob received a new salary of 45900 this is 8% more of his former salary what is his former salary
Brrunno [24]
$42,500 because 45900 dividede by 1.08 is 42500

4 0
3 years ago
3. The length of a living room is 12 feet and its width is 10.5 feet. The length of the room is being
Liono4ka [1.6K]

Since you're adding x feet to the length which is 12 feet:

New area: (12+x)10.5

5 0
3 years ago
Read the image.... please hellppp meeee somebody plzzzzz begging you!!!???
NeTakaya

Answer:


Step-by-step explanation:

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3 0
3 years ago
2(a-7)=a+4<br> 15 6<br>PLS HELPPPPPPPPPPP​
muminat

Answer:

a = 18

Step-by-step explanation:

2(a-7)=a+4

Distribute 2 into left side: 2a -14 = a + 4

subtract a from both sides  2a-a-14 = a+4-a

Simplify: a  - 14 = 4

Add 14 to both sides: a - 14 + 14 = 4 +14

Simplify:   a = 18

If wanted, plug a into original to double check work:

plug in: 2 (18-7) = 18+4

do parenthesis first: 2 (11) = 18+4

do multiplication : 22 = 18+4

additions: 22 =22

a = 18 is correct.

8 0
2 years ago
Read 2 more answers
Round 71290 to the nearest 10 what's the answer?
Aloiza [94]
71290 because the ones are 0 and zero is lower than 5 
so it wouldn't add anything to the tens 

the rule is if the number is more than 5+ it will add 1 to the next number
for example if we have this number 189 and we want to round it to the nearest 10 ..
we will see the ones place is it more than 5+ ? YEAH bcz its 9 ...
so 9 will add one to the tense and the answer will be 190 :) 

hope you got the point .
6 0
3 years ago
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