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lbvjy [14]
3 years ago
11

30% of $40 is blank money

Mathematics
1 answer:
Masja [62]3 years ago
8 0

Answer:

12

Step-by-step explanation:

30% is 0.3,  40 x 0.3 . is 12 :DD

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Find the value of X in this equilateral triangle.
Andrei [34K]

Answer:

x=4

Step-by-step explanation:

Since this is an equilateral triangle, all the sides are equal

6x = 4x+8 = 3x +12

Using the last 2 parts

4x+8 = 3x +12

Subtract 3x from each side

4x-3x +8 =3x+12-12

x+8 = 12

Subtract 8 from each side

x+8-8=12-8

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7 0
3 years ago
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astraxan [27]

Answer:

-24

Step-by-step explanation:

-  \frac{5}{2} x \:  - 5 = 55

Multiply through by the denominator (that is, 2)

= 2 \times ( -  \frac{5}{2} x) \:  - 5(2) = 55(2)

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Collect like terms

- 5x \:  = 110 +10

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Divide through by - 5x

\frac{ - 5x}{ - 5}  =  \frac{120}{ - 5}

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5 0
3 years ago
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Solve.<br> √ x + 4 = x - 2<br> A.5<br> B. -2,3<br> C.10<br> D.no real number solution
Snowcat [4.5K]

Answer:

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Step-by-step explanation:

3 0
3 years ago
two sequences have the formulae 3n-1 and 7n+2 . A new sequences is formed by the number which appear in both of these sequences.
dangina [55]

Answer:

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Step-by-step explanation:

aₙ = 65+42*(n-1)

65, 107, 149, 191, .....

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