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avanturin [10]
3 years ago
13

Suppose U={0, 1, 2, 3, 4, 5, 6}, A={2, 4, 6}, and B={1, 2, 3}. Tell whether each statement is true or false.

Mathematics
1 answer:
mina [271]3 years ago
5 0

That asks if A is a subset of U.  Since each member of A, namely 2, 4 and 6, is also in U, A is indeed a subset of U.

Answer: TRUE


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N^2+7 at n= -3 help!
Anon25 [30]

Answer:

16

Step-by-step explanation:

To solve plugin -3 for n

-3^2+7

Then, solve using PEMDAS. First, do exponents

-3^2+7=9+7

Next, add

9+7=16

So, 16 is the final answer.

5 0
3 years ago
If z varies inversely as w, and z=7 when w=8, find z when w=14
Feliz [49]
Z varies inversely as w ⇒ z*w=k
when z=7 and w=8 ⇒ 7*8=56=k

when w=14 ⇒ z*14=56
⇒z=56/14
⇒ z=4

8 0
3 years ago
This is timed plese help
hram777 [196]

Answer:

98in^2

98 inches squared

Step-by-step explanation:

24.5=1 triangle

x=4 triangles

x=24.5*4

x=98 in^2

5 0
3 years ago
PLEASE HELP ASAP!! CORRECT ANSWER ONLY PLEASE!!
Leona [35]
9x + 4 ≤ 58

=> 9x ≤ 58 - 4

=> 9x ≤ 54

=> x ≤ 54/9

=> x ≤ 6
______________

1/6x − 2 > 3

=> 1/6x > 3 + 2

=> 1/6x > 5

=> x > 5×6

=> x > 30
5 0
3 years ago
Read 2 more answers
Find x and decide if that side (with the x) is an Altitude
irga5000 [103]

Answer:

  1. b = 15
  2. c = 51
  3. c = 100
  4. b = 25.75

Step-by-step explanation:

Using the Pythagoras theorem equation:

c^{2}=a^{2}+b^{2}

Where 'c' is the hypotenuse and 'b' and 'a' the sides of the right triangle.

1) Here c = 17, a = 8 and b = ?

Then, using the above equation we can find the side b.

17^{2}=8^{2}+b^{2}

b=\sqrt{225}

b=15

2) Here a = 24, b = 45 and c = ?  

c=\sqrt{24^{2}+45^{2}}

c=51

3)  Here a = 28, b = 96 and c = ?

c=\sqrt{28^{2}+96^{2}}    

c=100

4)  Here a = 17, b = ? and c = 28

b=\sqrt{28^{2}-11^{2}}  

b=25.75

Just in the 4 case x is an altitude.

I hope it helps you!

         

3 0
3 years ago
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