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Taya2010 [7]
4 years ago
8

1/4 as a demical rounded to 1 significant figure

Mathematics
1 answer:
irinina [24]4 years ago
4 0
1/4 as a decimal is .25 rounded to 1 significant figure is .3
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What is the range of the function f(x)=-2|x+1|?
schepotkina [342]

Answer:

The correct answer to given question is option (a).

Step-by-step explanation:

Given function: f(x)= -2|x+1|

we need to put random values of x in given function to see that range of the given function f(x) is all real numbers.

when:

x=0;    f(0)= -2|0+1|= -2|1|= -2

when x is positive i.e. x>0

x=1;     f(1)= -2|1+1|= -2|2|= -4            

x=2;    f(2)= -2|2+2|= -2|4|= -8

when x is negative i.e.  x<0

x= -1;   f(-1)= -2|-1+1|= -2|0| =0

x=-2;   f(-2)= -2|-2+1|= -2|-1|=2 (with the help of mod property |-1|=1)

hence, we saw that

when we take x>0; f(x)<0

when x<0; f(x)>0

we can conclude from above steps that the range of function f(x)= -2|x+1| is all real numbers.

7 0
4 years ago
Read 2 more answers
I will try to give braniliest
KATRIN_1 [288]

Answer:

the answer is C :)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the solution for a-2+3=-2?
Galina-37 [17]
A−2+3=−2
Step 1: Simplify both sides of the equation.
a−2+3=−2
a+−2+3=−2
(a)+(−2+3)=−2(Combine Like Terms)
a+1=−2
a+1=−2
Step 2: Subtract 1 from both sides.
a+1−1=−2−1
a=−3
Answer:
a=−3
5 0
3 years ago
A leaf hangs from a branch 12 feet in the air. It falls to the ground at a rate of 0.25 feet per second. Which graph could
Alika [10]

Answer: This means it would take 4 seconds for the leaf to fall 1 foot.

Step-by-step explanation:  The leaf starts at 12 feet above the ground. This eliminates the first and third graph, leaving the second and last. The leaf falls at 0.25 ft/sec. This means it would take 4 seconds for the leaf to fall 1 foot.

4 0
4 years ago
Carrie gave her hair stylist a $4.20 tip. The tip was 15% of the cost of the
Wittaler [7]

The total cost of her haircut was 28 dollars

step by step:

(percentage) 15 x 6 = 90

4.20 x 6 =25.2

(perscentage) 15 divided by 3 = 5

4.20 divided by 3 = 1.4

1.4 + 1.4 = 2.8

25.2 + 2.8 =28

4 0
3 years ago
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