MATHEMATICS MIDDLE SCHOOL

Solve for x

X cubed =27/64
Solve for x X cubed =27/64 - 1

Answers

Answer 1
Answer:

$x=(3)/(4)

Solution:

Given expression is x^3=(27)/(64).

To solve the expression and find the value of x.

$\Rightarrow x^3=(27)/(64)

27 can be written as 3 × 3 × 3 = 3^3

64 can be written as 4 × 4 × 4 = 4^3

$\Rightarrow x^3=(3^3)/(4^3)

Taking cube root on both sides of the function.

$\Rightarrow\sqrt[3]{x^3}=\sqrt[3]{(3^3)/(4^3)}

Cube and cube roots are cancelled.

$\Rightarrow x=(3)/(4)

Therefore, x=(3)/(4).

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A ratio is a rate? Sometimes, always, or never true

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im not a 100% but im pritty shore its NEVER TRUE

Round 16,311 to the nearest thousand

Answers

The round off value of 16311 is

what is rounding off?

Rounding off means a number is made simpler by keeping its value intact but closer to the next number. It is done for whole numbers, and for decimals at various places of hundreds, tens, tenths, etc.

Given:

16311.

Now,

To round off nearest thousand focus on the place value of hundred place value.

Now, focus the value on hundred place value is less than 5 or greater than 5.

As, the number is less than 5 it will go towards previous number.

The round will lie between 16000 and 17000.

hence, the round off will be 16000.

Learn more about round off here:

brainly.com/question/13391706

#SPJ2
16000. 
You just need to take the numbers in the thousands place and left, and if the numbers on the right are greater than 500, you round up. In this case, 311 is less than 500 so you round down and get 16000.

if 3 shirts and 4 caps cost $96, and 2 shirts and 5 caps cost $99, how much did each cap and each shirt cost?

Answers

hmmm..... let us try again...but this time with a different strategy,.... by the graph method.

The system is

3x + 4y =96
2x + 5y = 99.

We find solutions of each system and then plot them on a graph.

Solutions for equation 1 = (2, 22.5) and (30, 0)
Solutions for equation 2 = (49.5 , 0) and (1, 19.4)

Now, we plot both the equations on a graph paper and note its intersecting point.

Experimentally, we find the intersecting point is (12,15)

Thus, the solution for the system is x = 12 , y = 15.


Thus, we arrive at the conclusion 1 shirt  costs 12$
1 cap costs 15$
x-cost\ of\ one\ shirt\ny-cost\ of\ one\ cap\n \n3x+4y=\$96\ \ \ and\ \ \ 2x+5y=\$99\n \n \left \{ {{3x+4y=96\ /\cdot(-2)} \atop {2x+5y=99\ /\cdot(3)}} \right. \n \n \left \{ {{-6x-8y=-192} \atop {6x+15y=297} \right. \n --------\n7y=105\ /:7\n\ny=15\ \ \Rightarrow\ \ 3x+4\cdot15=96\ \ \Rightarrow\ \ 3x=36\ /:3\ \ \Rightarrow\ \ x=12\n \nAns.\ one\ shirt\ cost\ \$12,\ \ one\ cap\ cost\ \$15

What is the scale factor?

Answers

Let's say you have two similar figures, one bigger than the other. The scale factor is the ratio of the length of a side of the other figure. I hope this helps! :)

2x - 5y=-15
can someone walk me through this?

Answers

The equation given in the question has two unknown variables in the form of "x" and "y". The exact value of "x" and "y" cannot be determined as two equations are needed to get to the exact values of "x" and "y". This equation can definitely be used to show the way for determining the values of "x" in terms of "y"and the value of "y" in terms of "x". Now let us check the equation given.
2x - 5y = - 15
2x = 5y - 15
2x = 5(y - 3)
x = [5(y - 3)]/2
Similarly the way the value of y can be determined in terms of "x" can also be shown.
2x - 5y = - 15
-5y = - 2x - 15
-5y = -(2x + 15)
5y = 2x + 15
y = (2x +15)/5
   = (2x/5) + (15/5)
   = (2x/5) + 3
So the final value of x is [5(y -3)]/2 and the value of y is (2x/5) + 3.

Complete each sentence 12 is 30% of

Answers

percent means parts out of 100
30%=30/100=3/10

'of' means multiply
12 is 30% of what means
12=3/10 times what
tmes both sides by 10/3
120/3=what
40=what

the number is 40
    12
   x .3
-----------
    3.6
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