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sammy [17]
3 years ago
6

How can you determine if a number is a rational number

Mathematics
1 answer:
Murljashka [212]3 years ago
7 0
Rational numbers can be written as a fraction
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Solve absolute value equation 2|x-3|-8=2
Semmy [17]

Answer:

x=8, -2

Step-by-step explanation:

2|x-3|-8=2

2|x-3|=10

|x-3|=5                               |x-3|=-5

x-3=5                                x-3=-5

x=8                                      x=-2

7 0
3 years ago
A number is written with 10 zeros, 10 ones and 10 twos. Is it possible for it to be a perfect square ? Please help. I don’t unde
lora16 [44]

Answer:

i am going to help you to understand this problem. if it is written with 10 0s it will be the billion place. because of the ten ones it will be 0,000,010, and because of the ten two's, which is 20, it will be 0,000,030. and when i searched up on google, and watched an episode of number blocks, no, 30 is not a square number OR a cube number.

Step-by-step explanation:

8 0
3 years ago
How many cups is there in 1 quart?
iren [92.7K]
There is 4 cups in 1 quart.
4 0
2 years ago
The graph of the function f(x)=−4(x−3)2+9 will be a parabola opening in which direction?
sesenic [268]

Answer:

downwards

Step-by-step explanation:

the equation of a parabola in vertex form is

f(x) = a(x - h)² + k

where (h, k ) are the coordinates of the vertex and a is a multiplier

• if a > 0 then parabola opens upwards

• if a < 0 then parabola opens downwards

for

f(x) = - 4(x - 3)² + 9 with a = - 4 < 0 , then

the parabola opens downwards

8 0
1 year ago
Karl is making a pot of chili. The recipe calls for StartFraction 3 Over 8 EndFraction cup of chili powder, but Karl only wants
mina [271]

Given:

The recipe calls for \dfrac{3}{8} cup of chili powder.

Karl only wants to use half as much so it won’t be so spicy.

To find:

How much chili powder should Karl use?

Solution:

We have,

Chill power for recipe = \dfrac{3}{8} cup

Chill power used by Karl is half  of chill power for recipe.

\text{Chill power used by Karl}=\dfrac{1}{2}\times \dfrac{3}{8} cup\text{Chill power used by Karl}=\dfrac{3}{16} cup

Therefore, \dfrac{3}{16} cup of chili powder should Karl use.

7 0
2 years ago
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