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Katen [24]
2 years ago
7

For what value of x does 64^3x =512^2x+12

Mathematics
1 answer:
Lady_Fox [76]2 years ago
3 0

Answer:

step by step explanation:64^3x=512^2x+12

64^3x-512^2x=12

2^18x-2^18x=12

0=12

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A recipe calls for 1 part beans to 1½ parts rice. if 1½ parts of beans are used, how much rice should be used?
riadik2000 [5.3K]
1 \text{ part beans} \longrightarrow  1\dfrac{1}{2}  \text{ parts rice}

1 \dfrac{1}{2}  \text{ part beans} \longrightarrow  1\dfrac{1}{2}  \times 1 \dfrac{1}{2}  \text{ parts rice}

1 \dfrac{1}{2}  \text{ part beans} \longrightarrow  \dfrac{3}{2}  \times \dfrac{3}{2}  \text{ parts rice}

1 \dfrac{1}{2}  \text{ part beans} \longrightarrow  \dfrac{9}{4} \text{ parts rice}

1 \dfrac{1}{2}  \text{ part beans} \longrightarrow  2\dfrac{1}{4} \text{ parts rice}
8 0
2 years ago
The area of a trapezoid is 864 cm2. It has a height of 24 cm, and the length
Paha777 [63]

Answer:

Step-by-step explanation:

Area of trapezium = 1/2 × h (a+b) = 864 cm^2

where h is the height and a and b are the two parallel sides

h = 24 cm

a = 30 cm

b = ?

1/2 × 24 ( 30 + b ) = 864

12 ( 30 + b ) = 864

30 + b = 864/12

30 + b = 72

b = 72 - 30

b = 42

Therefore the lenght of other base = 42 cm

Plz mark it as brainliest !!!!!!!!!!

5 0
2 years ago
Annika sells 6 inch pies for $5.00 and 8 inch pies for $9.00 each. Last week she sold twice as many 6 inch pies as she did 8 inc
Alina [70]
The question is
Find the values of x and  y

Let
x---------> the number of 6-inch pies Annika sold 
y--------> the number of 8-inch pies Annika sold 

we know that
x=2y------> equation 1
5x+9y=133---> equation 2
substitute the equation 1 in equation 2

5*[2y]+9y=133
10y+9y=133
19y=133
y=7
x=2y-----> x=2*7-----> x=14

the answer is
the number of an 6-inch pies is 14
 the number of an 8-inch pie is 7
7 0
2 years ago
The number of basketball jerseys sold (Y) during certain months (x) at
Klio2033 [76]

Answer:

March (3) to December (12)

Step-by-step explanation:

Given:

The graph above

Required:

Months where the number of Jerseys sold at least 150?

The above graph is a typical two dimensional graph.

A 2 dimensional graph has x and y axis.

The y axis (vertical) of this graph holds the number of jersey sold

While the x axis (horizontal) of this graph holds the number of month.

To check the month where at least 150 jerseys were sold, we mark the "150 mark" on the y axis then we trace it to the x axis.

For convenience sake, we'll make use of a line (see attachment).

Every month that falls under this line will not regarded as sales less than 150 (meaning that these months do not count as part of the answer)

From the line on the attachment, only the 3rd month to the 12th month satisfy this criteria.

Hence, the months at which number of sold jersey was atleast 150 is 3 to 12.

6 0
2 years ago
Freddy spent $56.07 on 4 pairs of jeans at the store. His cost included $4.15 sales tax. How much did each pair of jeans cost be
mylen [45]
Each pair of jeans costed 12.98 dollars
6 0
2 years ago
Read 2 more answers
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