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ladessa [460]
3 years ago
13

Given the two sets, which statement is true?

Mathematics
1 answer:
IRINA_888 [86]3 years ago
5 0

Answer:

\large\boxed{A\subset B}

Step-by-step explanation:

A=\{1,\ 2\},\ B=\{1,\ 2,\ 3,\ 4\}\\\\A\subset B,\ \text{because all elements of the set A are the elements of the set B.}

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If f(x)=4x-6 and g(x)=√x+2, what is (f°g)(7)
frosja888 [35]

Answer:

4\sqrt{7} +2

Step-by-step explanation:

fog =4\sqrt{x}+8-6

      = 4\sqrt{x} +2

fog(7) = 4\sqrt{7}+2

5 0
3 years ago
Find the sum of the first 7 terms of the following series, to the nearest integer.
Virty [35]

Answer:

r = 2.5 \\ sum =  \frac{a( {r}^{n - 1} )}{r - 1}  \\  =  \frac{125( {2.5}^{7 - 1} )}{7 - 1}  \\  =  \frac{30517.6}{6}  \\  = 5086.3

5 0
3 years ago
Joe makes $320 per week. He spends 35% of his money on food. How much money does Joe spend on food?
Deffense [45]

Answer: $112

Step-by-step explanation:

35% x 320 = 112

So, he spends $112 on food.

3 0
3 years ago
on a school trip, 56 girls and 91 boys go to south Korea they were divided into groups as possible so that each group has an equ
Gala2k [10]

Answer:

21

Step-by-step explanation:

You must find a number that will divide into the total of the girls and boys and come up with an even number.  By looking at the numbers, you can see that both 56 and 91 will divide evenly by 7. The common denominator for both calculations is 7.

56/7=8 girls  

91/7= 13 boys

Add 8 girls and 13 boys and you will have 21 in each group.  That way, all groups are equally boys and girls.

8+13=21

8 0
3 years ago
-4 3/8 - (-1 1/4)<br><br><br><br><br><br><br> oof, i forgot how to do this ;-;
Elena-2011 [213]

Answer:

-25/8 I think

Step-by-step explanation:

3 0
3 years ago
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