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matrenka [14]
3 years ago
9

Please help meeee! I will mark brainliest if right

Mathematics
2 answers:
mrs_skeptik [129]3 years ago
6 0

Answer:

Fraction: x= 3/4 Decimal: x= 0.75

Paladinen [302]3 years ago
4 0

Answer:

x=

\frac{3}{4}

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Age If you add Natalie's age and Fred's age, the result is 40. If you add Fred's age to 4 times
jolli1 [7]

Answer:

Fred is 28 yrs old. Nathalie is 12yrs old

Step-by-step explanation:

Let Nathalie's age be x

Let Fred's age be a

x+a=40 yrs•••••1

4x+a=76yrs•••••2

a=40-x

Substitute a for 40-x in equation (2)

4x+40-x=76

3x=76-40

3x=36

x=12

a=40-12

a=28

5 0
2 years ago
√−100 = ___ +_____i<br> ...
Natalija [7]

Answer:

Step-by-step explanation:

Rewrite this as

\sqrt{(-1)(100)}

Knowing that i-squared = -1:

\sqrt{(i^2)(100)}

Both i-squared and 100 are perfect squares, so this simplifies to

±10i

7 0
3 years ago
A car rental charge is $40 per day plus $0.30 per mile traveled write the equation as a function
tensa zangetsu [6.8K]
The answer is y=$0.30x+$40
3 0
3 years ago
Which state below is incorrect.
Reika [66]

Answer:

Last one

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Determine the equation of the line that is perpendicular to the line y = 3x + 4 and passes through the point (6, 2).
fomenos

Answer:

y = -1/3x + 4

Step-by-step explanation:

Perpendicular lines: Their gradients are reciprocals.

This means:

  • -1 ÷ Gradient 1 = Gradient 2
  • Gradient 1 * Gradient 2 = -1

Gradient of the given equation is 3.

-1 / 3 = -1/3

Gradient of the equation we're finding is -1/3

y = -1/3x + c

Substitute the coordinates in to find the value of c

2 = -1/3(6) + c

2 = -2 + c

2 + 2 = c

4 = c

y = -1/3x + 4

3 0
3 years ago
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