A number increased by 8 gives the same result as a number multiplied by 8. whay is that number?

Answers

Answer 1

Answer: $x+8=8x\n 7x=8\n x=(8)/(7)$

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What multiplies to negative 4 and adds to 7
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Two fifths of the square of a number j algebraic exxpression

Answers

Answer:

$(2)/(5)j^(2)$

Step-by-step explanation:

We have a number represented by the letter $j$ .

The question asks for two fifths $((2)/(5) )$ of the square of this number.

To square a number means to multiply a number by itself. The result will be the number raised to the power of 2. Applying this to $j$ , we get $j*j$ $=j^2$
Two fifths of this term ( $j^2$ ) is $(2)/(5)j^(2)$ . This is our final answer.

Hope this helps!

A 12-punce box of cereal cost $2.29, What is the unit price to the nearest tenth of a cent/

Answers

I'd say it could be $2.40. I hope this helps

A 10 inch diameter pumpkin pie is cut into 6 equal servings. What is the area of the top of each piece of pie?

Answers

The area (A) of the whole circle is calculated through the formula, A = πd² / 4. Substituting the given diameter, A = π(10 in)² / 4 = 25π in². The area of the top of each piece is 1/6 of the this area. Thus, the answer is approximately 4.17 in².

Simplify this expression: 19 – (–8) – (–14) = ?
A. 41
B. –7
C. –3
D. 25

Answers

When you are subtracting a negative, you treat it as if you are adding a positive. So 19-(-8) would be 19 + 8 which is 27. Then do the same thing with the 14, so instead of 27 -(-14) it's 27 + 14 which is 41. So your answer is 41. I hope this helps! XD

If ON = 8x – 8, LM = 7x + 4, NM = x – 5, and OL = 3y – 6, find the values of x and y for which LMNO must be a parallelogram. The diagram is not drawn to scale. pic and medal

Answers

The right answer for the question that is being asked and shown above is that:

ON = 8x – 8
LM = 7x + 4
NM = x – 5
OL = 3y – 6

OL = NM
3y – 6 = x – 5
3y = x - 6 + 5
3y = x - 1
y = 1/3x - 1/3

ON = LM
8x – 8 = 7x + 4
x = 12
y = 1/3x - 1/3
y = 1/3(12) - 1/3
y = 4 - 1/3
y = 11/3

So the answer is
x = 12
y = 11/3

One step equations with fractions