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SIZIF [17.4K]
1 year ago
8

8(x+2) Evaluate when x=3

Mathematics
1 answer:
Burka [1]1 year ago
6 0

When the value of x is 3, evaluate;

8(x+2)

Substitute for the value of x into the parenthesis;

\begin{gathered} 8(x+2)=8(3+2) \\ 8(x+2)=8(5) \\ 8(x+2)=40 \end{gathered}

ANSWER:

The expression equals 40 (when x = 3)

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The price for 7/8 of a pound of almonds is $6.65 . What is the cost of 3 and 1/2 pounds at the same rate?
Vlada [557]

The cost of 3 and 1/2 pounds of almond at the same rate is $26.60.

<h3>What is a fraction?</h3>

A fraction is simply a piece of a whole. The number is represented mathematically as a quotient where the numerator and denominator are split. In the illustration given as m/n, it should be noted that m is the numerator and n is the denominator.

Since the price for 7/8 of a pound of almonds is $6.65, the fraction per pound will be done by dividing the amount for a pound by 7/8.

= $6.65 ÷ 7/8

= $7.6

The cost of 3 and 1/2 pounds at the same rate is:

= 3 1/2 × $7.6

= $26.60

In conclusion, the cost is $26.60.

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5 0
2 years ago
The standard form of the equation of a parabola is x = y2 - 4y + 20. What is the vertex form of the equation? A.x = (y - 4)2 + 1
Dahasolnce [82]
If Logx<span> (1 / 8) = - 3 / 2, then x is equal to </span>

Solution 

Rewrite the logarithmic equations using exponential equation 

x- 3 / 2<span> = 1 / 8 </span>

The above equation may be rewritten as 

x<span> - 3 / 2</span><span> = 1 / 2</span>3<span> = 2</span>-3

(√x)-3<span> = 2</span>-3

The above equation gives 

<span>√x = 2 or x = 4 

</span>
6 0
3 years ago
Which equation represents a proportional relationship?
Karo-lina-s [1.5K]

Option A: y = 1/4x is the right answer

Step-by-step explanation:

The proportional relationship is defined as the increase/decrease in one quantity causes increase/decrease in other quantity.

The general form is:

y = kx

The proportional equations usually do not have any term that is added or subtracted.

comparing the given options with general form we can see that only one option is relatable to the general form of proportion.

Hence,

Option A: y = 1/4x is the right answer

Keywords: Proportion, variation

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4 0
3 years ago
Escribe el número igaul a 5 decenas y 13 unidades​
coldgirl [10]

Answer:

63

Step-by-step explanation:

8 0
4 years ago
I need help A.S.A.P
liubo4ka [24]
Fractions are just division. 2 ÷ 2 = 1, so 2/2 = 1. Because 1/2 can't be simplified to a whole number, the answer is 1 1/2.
4 0
4 years ago
Read 2 more answers
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