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LenaWriter [7]
3 years ago
13

I need help with this please

Mathematics
1 answer:
Zina [86]3 years ago
3 0
The answer to this question is b 

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Need help ASAP please
Kay [80]

Answer:

because the length is 4 feet more than the width

=> the length is x + 4 (feet)

because the base has an area of 21 square feet

=> x(x + 4) = 21

<=> x² + 4x = 21

3 0
2 years ago
7% of 120 (Need work shown)
inessss [21]
1% of 120 is 1.2, so 7 *1.2 = 8.4

Also you could set up the proportion 7/100 = x/120 and solve for x.
3 0
3 years ago
Read 2 more answers
A) Work out the value of 23 + 52
Elena L [17]

Answer:

Step-by-step explanation :

a) 75

b) 39

C) 182

3 0
3 years ago
Suppose a-b=0 which one of these expressions equals ab
I am Lyosha [343]

Answer:

  E)  b^2

Step-by-step explanation:

Solving the first equation for a, we get ...

  a - b = 0

  a = b . . . . . . add b to both sides

Now, the expression ab can be rewritten as

  ab = bb = b^2 . . . . . . substitute b for a

6 0
3 years ago
176.59 in word form​
lorasvet [3.4K]

Answer:

one hundred seventy-six and fifty-nine hundredths

Step-by-step explanation:

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3 years ago
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