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sweet-ann [11.9K]
3 years ago
10

What does 2 plus 2 add up too?

Mathematics
2 answers:
garik1379 [7]3 years ago
8 0
2 plus 2 adds up to 4
kvasek [131]3 years ago
7 0
2+2 is 4. You learned this in 1st grade
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Which of the following numbers is not between -2.6 and 1.3 on the number line?
Naya [18.7K]

Answer:

1.4

Step-by-step explanation:

-2.6---------------1.3

0.5 is between

-2.1 is between

1.4 is not between

-1.8 is between

7 0
3 years ago
There are 321 crayons in a box and 204 crayons on the floor. About how many fewer than 1,000 crayons are there? Estimate. Then s
zimovet [89]

Answer:

1000 - 300 - 200 = 500

Step-by-step explanation:

estimation

3 0
3 years ago
Simplify the expression.<br> -5+i/2i
Lostsunrise [7]

Answer:

\rm - \dfrac{11}{2}

Step-by-step explanation:

\rm Simplify \:  the  \: following: \\   \rm \longrightarrow - 5 +  \dfrac{i}{2} i \\  \\  \rm Combine \:  powers. \\  \rm  \dfrac{i \times i}{2}  =  \dfrac{i^{1 + 1}}{2}: \\  \rm \longrightarrow  - 5 +  \dfrac{i^{1 + 1}}{2}  \\  \\  \rm 1 + 1 = 2: \\ \rm \longrightarrow  - 5 +  \dfrac{i^2}{2}  \\  \\  \rm i^2 = -1: \\ \rm \longrightarrow  - 5 +   \dfrac{( - 1)}{2}   \\  \\  \rm \longrightarrow  - 5 -  \dfrac{1}{2}   \\  \\  \rm Put   \:   - 5 -  \dfrac{1}{2}   \: over  \: the  \: common \:  denominator  \: 2.  \\  \rm   - 5 -  \dfrac{1}{2}   =  \dfrac{2( -  5)}{2} -  \dfrac{1}{2}  : \\   \rm \longrightarrow  \dfrac{ - 5 \times 2}{2}  -  \dfrac{1}{2}  \\  \\  \rm 2 (-5) = -10: \\    \rm \longrightarrow    \dfrac{ - 10}{2}  -  \dfrac{1}{2}  \\  \\  \rm \dfrac{ - 10}{2}  -  \dfrac{1}{2}  =  \dfrac{ - 10 - 1}{2} : \\   \rm \longrightarrow \dfrac{ - 10 - 1}{2}  \\  \\  \rm -10 - 1 = -11: \\    \rm \longrightarrow  -  \dfrac{11}{2}

7 0
3 years ago
Round 5370388 to nearest 100000
dusya [7]

Answer: 5300000


Step-by-step explanation: 7 is closer to ten so it is rounded up



6 0
3 years ago
Domain and range of -3x^2+16x+3
Zarrin [17]

Answer:

<=16  

Step-by-step explanation:

3 0
3 years ago
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