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3 years ago

Please answer, I will mark "BRAINLY" if good

Mathematics

2 answers:

rjkz [21]3 years ago

6 0

1.20 because you add

vovikov84 [41]3 years ago

4 0

I think it’s B please mark Brainly if it’s correct

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Find<br>a,b<br>such<br>that 7.2, a, b, 3 are in A.P.

leonid [27]

Answer:

The value of a = 5.8

The value of b = 4.4

Step-by-step explanation:

Given

7.2, a, b, 3 are in A.P

$2a = 7.2+b$

$b = 2a - 7.2$

a, b, 3 are also in A.P

$2b\:=\:a\:+\:3$

Putting $b = 2a - 7.2$

$2\left(2a-7.2\right)=a+3$

$4a-14.4=a+3$

$\mathrm{Add\:}14.4\mathrm{\:to\:both\:sides}$

$4a-14.4+14.4=a+3+14.4$

$4a=a+17.4$

$4a-a=a+17.4-a$

$3a=17.4$

$\mathrm{Divide\:both\:sides\:by\:}3$

$\frac{3a}{3}=\frac{17.4}{3}$

$a=5.8$

Now, plugging $a=5.8$ in $b = 2a - 7.2$

$b=2\left(5.8\right)-7.2$

$b=2\cdot \:5.8-7.2$

$b=11.6-7.2$

$b=4.4$

Therefore,

The value of a = 5.8

The value of b = 4.4

4 0

3 years ago

HELP!!!!! Help plz thx

hodyreva [135]

ON/MN=NP/NQ
ON/12=15/20
ON=(12*15)/20
ON=9

7 0

3 years ago

Find an equivalent 100/25

Varvara68 [4.7K]

Answer:

100/25 = 4

so an equivalent would be 12/3

6 0

3 years ago

Read 2 more answers

4, 8, 12, 16, 20 24, 36, 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96 100... Those are the multiples of 4. Now find out which ar

Lilit [14]

Answer:

Ok the answer of 6 are 12, 18, 24, 30, 36, 42, and 48. The multiples of 9 are 18,27,36,45,54,63,72,81,90,99,108,117,126,135,144,153,162,171,180,189,198,. Hope it helps!

7 0

3 years ago

Find the absolute value of 16

myrzilka [38]

Answer:

Step-by-step explanation:

Absolute value always means positive i.e to remove any negative signs in front of a number.

Since 16 is a simple digit with the as the positive sign is invincible.

So, the absolute value of 16 is 16.

5 0

2 years ago

Read 2 more answers