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IgorLugansk [536]
3 years ago
7

Evaluate the expression when y=6 and x = 35. x-3y

Mathematics
2 answers:
vredina [299]3 years ago
4 0

Answer:

17

Step-by-step explanation:

Given: y = 6; x + 35

Step 1: Equation

x - 3y            

Step 2: Substitution    

35 - 3(6)      

Step 3: Solving

35 - 18 = 17

Answer:

17

Hope This Helps :)

tresset_1 [31]3 years ago
3 0

Answer:

17

Step-by-step explanation:

x-3y=(35)-3(6)

=35-18

=17

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Which point on the number line is the best approximation for √59?
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Answer:

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Step-by-step explanation:

The number that best approximates the square of 6 is 36, its actual value. The point so labelled is the appropriate point on the number line.

7 0
2 years ago
Solving Exponential and Logarithmic Equation In exercise,solve for x or t.See example 5 and 6.
Aloiza [94]

Answer:

0.70275

Step-by-step explanation:

Data provided in the question:

4e²ˣ⁻¹ -1 = 5

now solving for 'x'

⇒ 4e²ˣ⁻¹ = 5 + 1

or

⇒ 4e²ˣ⁻¹ = 6

or

⇒ e^{(2x-1)} =\frac{6}{4}

or

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now,

taking natural log both sides, we get

⇒ 2x - 1 = \ln(\frac{3}{2})

also,

we know

⇒ \log(\frac{A}{B}) = \log(A)+\log(B)

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or

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or

⇒ 2x - 1 = 0.4055

or

⇒ 2x = 0.4055 + 1

or

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3 0
3 years ago
A survey was conducted to determine the favorite snack food of 300 shoppers at a grocery store. The circle graph shows the resul
lapo4ka [179]

Answer: 30

Step-by-step explanation:

8 0
3 years ago
Solve for X.<br> - 3x + 2 = -10x + 30
Nataly_w [17]

Answer:

x = 4

Step-by-step explanation:

-3x + 2 = -10x + 30

Add 10x to both sides and you get

7x + 2 = 30

Subtract 2 from both sides and you get

7x = 28

Divide both sides by 7 to get x by itself and you get

x = 4

Reminder whatever you do to one side you have to do to the other side!

Hope this helps!

3 0
3 years ago
A rectangle has an area of 256 cm 2 . it has a width that is 48 cm shorter than 4 times its length. what is the rectangle's leng
AveGali [126]
Let
x--------> <span>the rectangle's length
y-------> </span><span>the rectangle's width

we now that
Area of rectangle=x*y
Area=256 cm</span>²
<span>256=x*y-------> equation 1

y=4x-48------> y=4x-48------> equation 2

substitute equation 2 in equation 1

256=x*[4x-48]-----> 256=4x</span>²-48x
4x²-48x-256=0
<span>
using  a graph tool----> to resolve the second order equation
see the attached figure
the solution is
x=16 cm
y=4x-48----> y=4*16-48-----> y=16 cm

is a square

the answer is
</span>the rectangle's length is 16 cm

8 0
3 years ago
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