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Novosadov [1.4K]
4 years ago
10

17a + 25b + +13a -7b simplified is

Mathematics
1 answer:
VARVARA [1.3K]4 years ago
8 0

Answer:

30a +18b

Step-by-step explanation:

17a + 25b + +13a -7b

combine like terms

17a+ 13a +25b-7b

30a +18b

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What is the 12th term of the sequence 3,6,12,24....
Sati [7]
a_{0}=3

r=common ratio: 12/6=2; 6/3=2

r=2, a_{n}=2^{n-1}*3

plug in 12 for n:

a_{12}=2^{12-1}*3

a_{12}=2^{11}*3

a_{12}=2048*3

a_{12}=6144

The twelfth term in the sequence is 6144


 




7 0
4 years ago
Read 2 more answers
Help with math please?<br> I got C but Im not sure If im correct.
KonstantinChe [14]

Answer:

D. angle 7 and angle 5.

Step-by-step explanation:

It is actually option 'D.' This is because angle 7 and angle 5 are vertical angles; vertical angles are always congruent.

7 0
3 years ago
A regular hexagon is formed by six equilateral triangles this makes it somewhat easy to find the area of the hexagon using the p
frozen [14]
1/2 of the side length p= 1/2 x 4 =2
centre angle=360/6=60 degrees

The APOTHEM bisects or divides the centre angle into two equal angles
1/2 of the centre angle=60/2=30 degrees
tan 30 degrees = 2/APOTHEM
APOTHEM=2/tan 30= 3.46 cm

The APOTHEM is the perpendicular height of the equilateral triangle given in the diagram.
Area of the equilateral triangle
=1/2 x 4 x 3.46
=6.93 cm^2
Area of the regular hexagon= 6 x area of the equilateral triangle= 6 x 6.93 =41.6 cm^2

Hope this helps!
4 0
3 years ago
50 POINTS !!<br><br><br> PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.
Archy [21]

Answer:

8.8

Step-by-step explanation:

To find the hypotenuse...

a²+b²=c²

C is the hypotenuse, so we add the others...

8.4²+2.6²=c²

70.56+6.76=c

77.32=c

Now, square root c to bring it to its original position.

√77.32=8.8

Your answer is 8.8 yards.

5 0
3 years ago
Mother Has spent 60.000 to buy meat , rice , and vegetables by the ratio of 10 : 9 : 5 determine the price of each goods
a_sh-v [17]
<span>we count parts
10 meat
9 rice
5 vegetables

sum  10 + 9 + 5 = 24 parts

10/24 meat
9/24 rice
5/24 vegetables

</span><span>Prices determine multiplying 60,000 by a fixed value of the fraction
</span><span>
60.000 *10/24 = 600 000/24  = 25 000 meat
60 000 * 9/24 = 540 000/24 = 22 500 rice
60 000 * 5 = 300 000/24  = 12 500 vegetables

check 25 000 + 22 500 + 12 500 = 60 000

</span>
3 0
4 years ago
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