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ololo11 [35]
2 years ago
7

Which sentence is correct?A.B.C.D.

Mathematics
1 answer:
Dennis_Churaev [7]2 years ago
3 0

Answer: B is correct

Step-by-step explanation:

if you do 2 ÷ 5 you get 0.4. But that isn't an option. So, the only other possibility would be -2 ÷ 5 which gives us -0.4, and that makes sense.

I'm not the greatest at explaining this one but hopefully, this helps!

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7*6=42 is that and factor
Salsk061 [2.6K]

yes 7*6=42 is a factor


7 0
3 years ago
1st. (2 root 2 + root 3 ) ( 2 root 3 - root 2)
satela [25.4K]

Answer:

1st: 3*root6 + 5

2nd: 35*root2 + 115

3rd: 24*root2 - 20*root6 + 15*root3 - 18

4th: 17*root6 - 38

5th: 13*root10 - 42

Step-by-step explanation:

To simplify these expressions we need to use the distributive property:

(a + b) * (c + d) = ac + ad + bc + bd

So simplifying each expression, we have:

1st.

(2 root 2 + root 3 ) ( 2 root 3 - root 2)

= 4*root6 - 2*2 + 2*3 - root6

= 3*root6 - 4 + 9

= 3*root6 + 5

2nd.

(root 5 + 2 root 10) (3 root 5 + root 10)

= 3 * 5 + root50 + 6*root50 + 2*10

= 15 + 5*root2 + 30*root2 + 100

= 35*root2 + 115

3rd.

(4 root 6 - 3 root 3) (2 root 3 - 5)

= 8*root18 - 20*root6 - 6*3 + 15root3

= 24*root2 - 20*root6 + 15*root3 - 18

4rd.

(6 root 3 - 5 root 2 ) (2 root 2 - root 3)

= 12*root6 - 6*3 - 10*2 + 5*root6

= 17*root6 - 18 - 20

= 17*root6 - 38

5th.

(root 10 - 3 ) ( 4 - 3 root 10)

= 4*root10 - 3*10 - 12 + 9*root10

= 13*root10 - 30 - 12

= 13*root10 - 42

8 0
2 years ago
Comparing Fractions Choose the correct symbol to compare the fractions please see attached image
Elza [17]

Answer:

>

Step-by-step explanation:

<u>Given:</u>      \frac{1}{2} ? \frac{1}{3}

<u>Want:</u>       Which fraction is larger?

To identify the size of a fraction, converting it into a fraction is easier

\frac{1}{2} = 0.5

\frac{1}{3} = 0.33

where 0.5 is greater than 0.33

<u>Choices:</u>

< is less than symbol

> is greater than symbol

= is equal to

\frac{1}{2} > \frac{1}{3}

Learn more about the Fractions at brainly.com/question/280013

<u>Visual Representation:</u>

<u />

8 0
1 year ago
A woman has three skirts, five shirts, and four hats. How many different outfits can she wear if she picks one skirt, one shirt,
Aleksandr [31]

Answer:

3?

Step-by-step explanation:

She has 3 skirts and that is the least amount of clothing and you need that to make a full outfit.

3 0
3 years ago
Read 2 more answers
Three girls are selling cases of popcorn to earn money for a band trip in their first week Emily sold 2 3/4 cases Brenda sold 4
ss7ja [257]
They have sold ten full cases
but have sold 10 and a half cases in total
8 0
3 years ago
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