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Vladimir [108]
3 years ago
6

Please help asap, it would mean a lot

Mathematics
1 answer:
valentinak56 [21]3 years ago
7 0

Answer:

a=143 b=143

Step-by-step explanation:

7x+24=3x+92

4x=68

x=17

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Which set of numbers is not closed under multiplication ?
kodGreya [7K]

Answer:

D). irrational numbers

Step-by-step explanation:

The irrational numbers are the set of number which can NOT be written as a ratio (fraction). Decimals which never end nor repeat are irrational numbers. Irrational numbers are "not closed" under addition, subtraction, multiplication or division.

4 0
3 years ago
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A rectangular box has the dimensions shown in the diagram. The volume of the box is given by the function V(x) = x3 – 4x, where
marta [7]

Answer:

Height =3

Step-by-step explanation:

Given

Length = x + 2

Width = x - 2

Height = x

Volume = 15

Required

Find the height

The volume is calculated as thus:

Volume = Length * Width * Height

This gives

15 = (x + 2) * (x - 2) * x

Apply difference of two squares

15 =(x^2 - 4 ) * x

15 = x^3 - 4x

Subtract 15 from both sides

x^3 - 4x - 15 = 0

Using a calculator to factorize, we have:

(x-3)(x^2+3x+5) = 0

Split

x - 3 = 0 or x^2 + 3x + 5 = 0

x = 3 or  x^2 + 3x + 5 = 0

x has complex roots for x^2 + 3x + 5 = 0

Hence:

x = 3

Recall that:

Height = x

Height =3

3 0
3 years ago
What is a 8096 rounded to 1 significant figure<br>​
guajiro [1.7K]

Answer:

Y Me Angry U Hungry Me And Me Angry Way Back together Me Y He Angry Me He Angry Me Angry:(

5 0
3 years ago
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linda saved 2 ten-dollar bills, 4 five- dollar bills, and 15 one-dollar bills, Harry saved 16 more than linda how much does harr
telo118 [61]
Harry has 71 becasue its 20 + 20 + 15 + 16
7 0
3 years ago
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.
Darina [25.2K]

Answer:

f(t) = 62 ⋅ 0.9953t


Step-by-step explanation:

The function decreases at a rate of 0.47%

That will mean, the initial value decreases by 0.47?

100% - 0.47% = 99.53%

The next value will be 99.53% of the initial value.

∴ 99.53% × 62 = 0.9953 × 62.

After a time t, the value will be:

0.9953t × 62

∴ Answer = 62 × 0.9953


7 0
3 years ago
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