MATHEMATICS HIGH SCHOOL

What does 6/7 x 1/3 equal

Answers

Answer 1
Answer:

Answer:

2/7

Step-by-step explanation:

6/7×1/3=6×1/7×3

6/21=2/7

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Answer please. Will give brainliest! As soon as possible.
How do you factor: x^3 - 8 (x cubed minus 8)

Select the correct solution set. -7x ≥ 56

{x | x ≤ -8}
{x | x ≥ -8}
{x | x ≥ 8}

Answers

The solution is Option A.

The value of the inequality equation is {x | x ≤ -8}

What is an Inequality Equation?

Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.

In an inequality, the two expressions are not necessarily equal which is indicated by the symbols: >, <, ≤ or ≥.

Given data ,

Let the inequality equation be represented as A

Now , the value of A is

-7x ≥ 56    be equation (1)

On simplifying the equation , we get

Divide by -1 on both sides of the equation , we get\

7x ≤ -56

Divide by 7 on both sides of the equation , we get

x ≤ -8

Therefore , the value of A is x ≤ -8

Hence , the inequality equation is x ≤ -8

To learn more about inequality equations click :

brainly.com/question/11897796

#SPJ2
{x | x ≤ -8} is the correct one

Hope I helped : )

Can someone help me with these problems? I know the formulas but don't know how to apply it? I'm not that good with word problems. I wrote the answers in a separate sheet just want to compare with someone please!( not to be mean but can S27111855 stop replying your not a big help!)

Answers

ok so you know that
V=LWH
basically
volume=height times base area


so
2. V=3 times 8 times 12=288 cm^3

3. triangular prism is 1/2 of the volume of a similar rectangular prism with same measure so
V=1/2 times 4 times 10 times 15=300 cm^3
 
4. trapezoid base area=area of a trapezoid=(base1+base2)/2 times height so
baseaea=(4+10)/2 times 6=7 times 6=42, then basearea times height=42 times 10=420cm^3

5. cylinder area=base area times height
base=circle=pir^2
r=1/2diameter
6/2=3
base=pi3^2=9pi
area=9pi times 12=108pi cm^3

6. 24pi=4 times pir^2
divide by 4
6pi=pir^2
divd e pi
6=r^2
√6 cm=r

7. square pyramid volume=1/3 volume of similar rectangular prism so
square means base=4 times 4=16
height=9
rectangular volume=16 times 9
pyramid voluume=1/3 times 16 times 9=48 cm^3

8. solve for base side
use pythagorean theorem
slant height=hyposonuse=13
base edge=2 times of 1 of the legs so 10/2=5
so
5^2+x^2=13^2
25+x^2=169
x^2=144
x=12
height of pyramid=12
volume=1/3 times 10 times 10 times 12 times=400 cm^3




2. C
3. B
4. A
5. C
6. B
7. C
8. A

Using the formula C = 2πr, find the circumference of a circle with diameter of 28 inches. Round your answer to the nearest inch. A. 88 in. B. 44 in. C. 28 in. D. 56 in.

Answers

the formula given to us relates circumference with radius but we are given diameter instead. good thing we know that diameter is twice the length of radius so if diameter=28, the radius=14. therefore, using our formula, we can find the circumference:
C = 2(pi)(14)
C = 87.96
and this answer is close to 88 so the answer is A

let me know if you have any questions!!!
Hi there! C=πd=π*28=87.96459, 87.96 rounded to the nearest tenth would be 88. Therefore, your answer is A. 88 in

Cuantos pedazos de cinta de 1/4 de metro se pueden obtener de un rollo de cinta que mide 15/2? 30 pedazos.
60 pedazos.
15 pedazos.
45 pedazos.

Answers

Answer:

30 pedazos

Step-by-step explanation:

(15/2)/(1/4)

= (15*4)/(2*1)

= 60/2

= 30

The volume of cube is 343 cubic centimeters. what is the surface area of the cube? show your work.

Answers

In short, the surface area of the cube is 294cm^2.

To find volume of a cube, a side is multiplied by itself three times. So, we have this so far, let "s" equal a side of the cube... s*s*s or s^3 = volume. But, we have to work backwards to find s. We know the volume is 343 cm^3 and we know to find volume we take a side and multiply it by itself three times, also known as cubing a side.

So, s^3 = 343 cm^3. To find what one s equals, we have to take the cube root of 343. A cube root is the opposite of cubing a side and that's why it works.

Basically, we're trying to find what number times itself three times will equal 343. A cube root of 343 will tell us the answer. So, once we cube root 343, we get 7. This means that 7 is one s or the side length of the cube. Remember, a cube has all equal sides, so 7 is the side lengths for the whole cube.

Now, to find surface area of a cube, the formula is 6*s^2. This means that the side is squared times six. We already know what the side is, 7, and order of operations, PEMDAS, tells us that exponents come before multiplication. So, we have 7^2 which is 49 times 6. 49 * 6 = 294. Hope this helped!

The compound nickel (III) chloride dihydrate has ____ mole(s) of water for every ____ mole(s) of ionic compound.three, two

two, three

one, two

two, one

Answers

The compound nickel (III) chloride dihydrate has two moles of water for every one mole of ionic compound.
In each mole of ionic compound, there are two moles of water in this compound. 
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