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timurjin [86]
3 years ago
10

Find -2 2/5 + 4/5 need help please

Mathematics
1 answer:
diamong [38]3 years ago
4 0

Step-by-step explanation:

-22/5 +4/5

The lcm of the denominators is 5

If you divide through u have - 22+4=-18

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Step-by-step explanation:

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3 years ago
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Find the range of the function for the given domain, f(x)=3x+3; (-2,-1,0,1,2)
stich3 [128]

Answer:

Range: (-3,0,3,6,9)

Step-by-step explanation:

We need to evaluate each value in the domain of the function, so

f(-2)=3(-2)+3=-6+3=-3

f(-1)=3(-1)+3=-3+3=0

f(0)=3(0)+3=0+3=3

f(1)=3(1)+3=3+3=6

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8 0
3 years ago
The square root 2..25 is _____.
nata0808 [166]

Answer:

Hi there!

Your answer is:

B. 1.5

Step-by-step explanation:

The square root of 2.25 = 1.5

Check your work!

1.5×1.5 = 2.25!!✓

Hope this helps!

7 0
3 years ago
3.
zheka24 [161]

Answer:

20

Step-by-step explanation:

Sn = (n/2)(a1 + a1 + d(n-1)), where S = sum, a1 = first term, n = number of terms, d = common difference

 

400 = (n/2)(1 + 1 + 2(n - 1))

400 = (n/2)(2  + 2n - 2)

400 = (n/2)(2n

400 = n2

20 = n

 

Twenty numbers are in the set.

6 0
3 years ago
Read 2 more answers
12÷(−6)????????????????????????????????????????????????????????
wlad13 [49]

Answer:

-2

Step-by-step explanation:

First imagine that the negative is not there.

So the problem would be 12 divided by 6

Then divide.

You would get 2.

Next, add the negative sign in front of the 2.

Bam! You get the answer of -2.

Hope this helped!

~Oreo

7 0
3 years ago
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