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fenix001 [56]
3 years ago
13

What is the answer??? If you answer it right I will give brainlist I promise Answer ASAP!!

Mathematics
1 answer:
eimsori [14]3 years ago
4 0

Answer:

3

Step-by-step explanation:

3 under each

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Kristin spent $120 on shirts. Dress shirts cost $40 and t-shirts cost $8. If she bought a total of 7 shirts, then how many of ea
FinnZ [79.3K]

Answer:

The correct answer is: She bought 2 dress shirts and 5 t-shirts

Step-by-step explanation:

Let's marked dress shirts with x and t-shirts with y.

Now we will make equations to solve this problem:

x + y = 7  =>  y = 7 - x

40 x + 8 y = 120

When we replace y = (7 - x) in the previous equation we get:

40 x + 8 (7 -x) = 120  40 x + 56 - 8 x = 120  => 32 x = 120 - 56 =>

32 x = 64  => x = 64/32 = 2 => x = 2

y = 7 - x = 7 - 2 = 5 =>  y = 5

x = 2 dress shirts

y = 5 t-shirts

God with you!!!

8 0
3 years ago
Which angle is an obtuse angle?<br> A. 310°<br> B. 80°<br> O c. 260°<br> O D. 170°
Murljashka [212]

Step-by-step explanation:

obtuse angle is an angle whose measure is more than 90 degree but less than 180 degree..

So,

170°

3 0
2 years ago
Read 2 more answers
Evaluate 13+6 over y when y=6
Zepler [3.9K]

Answer:19/6


Step-by-step explanation:

you would first get 13+6/6

Which is 19/6 when you add 13 +6 then divide by 6

                                   

6 0
2 years ago
Anybody good at math that can help?
Nostrana [21]

Answer:

b is the answer

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
2. You are making necklaces for your friends. You have 72 blue beads and 42 red beads. Each friend will receive an identical nec
hoa [83]
To find out the number of necklaces that can be made from 72 and 42 beads, think of the Greatest Common Factor of both numbers

Factors of 72
1 × 72
2 × 36 
3 × 24
4 × 18
6 × 12
8 × 9

Factors of 42
1 × 42
2 × 21 
3 × 14
6 × 7

The Greatest Common Factor is 6, so there are 6 necklaces can be made with equal number of beads
4 0
3 years ago
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