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rewona [7]
3 years ago
11

Please help no links

Mathematics
2 answers:
murzikaleks [220]3 years ago
4 0

Answer:

B. 6

Step-by-step explanation:

Since both triangles are similar, you can set up a proportion.

\frac{8}{13} = \frac{x}{9.75} \\\\8 * 9.75 = 13x\\78 = 13x\\x= 6.

kap26 [50]3 years ago
3 0

Answer: B or C

Step-by-step explanation:

if u can compare the triangles u u can use ur math and get the answer

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In the problem below, AB, CD, and EF are two-digit numbers, where A, B, C, D, E and F represent distinct digits from 1 to 9. Is
Oksi-84 [34.3K]

Answer:

<em>When both the conditions hold true, F is prime.</em>

Step-by-step explanation:

AB, CD, and EF are two-digit numbers, where A, B, C, D, E and F represent distinct digits from 1 to 9.

  AB

+ CD

--------

  EF

1st condition, B and D are consecutive.

Adding B and D gives us F.

Possible values can be (F being the unit value after adding not considering the carry over):

B + D = F

1+2=3

2+3=5

3+4=7

4+5=9

5+6=1

6+7=3

7+8=5

8+9=7

Here F is not prime (because 9 is not prime).

Now, let us consider the 2nd condition as well.

i.e. C = 8

For the following

  AB

+ CD

--------

  EF

C is 8 then A must be 1 because any value other than 1 for A will make the sum of A and C greater than 9 and there will be a carry which is not the case here.

So, E = 8 + 1 = 9

Now, B  and D are consecutive and can not be 1, 8 or 9.

So, possible values are:

B + D = F

2 + 3 = 5

3 + 4 = 7

Here F is prime.

So, when both the conditions hold true, F is prime.

3 0
2 years ago
Blue is sus vote him out<br><br>#BlueIsImposter<br>or #Idiot
taurus [48]
Blue was not the imposter.
8 0
2 years ago
Find the value of x.
Shalnov [3]

Answer:

-11

Step-by-step explanation:

I think you do 5x-24=8x+9

5 0
2 years ago
2 4/5 ÷ 2 1/5 =<br> (Please answer as a fraction)
svet-max [94.6K]

Answer:

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Step-by-step explanation:

8 0
3 years ago
9 to the power 18 = 27 to the power x work out the value of x
Strike441 [17]

Answer:

Step-by-step explanation:

27^x = 9÷(3^x)

So (3^3)^x = (3^2)÷(3^x)

So 3^3x = 3^(2-x)

Comparing powers on both sides,

3x = 2 - x

So, 4x = 2

So, x = 1/2

Given ( 27 ) ^ x = 9 / 3 ^x

⇒ ( 3 × 3 × 3 )^x = ( 3 × 3 ) / 3^x

⇒ ( 3 ³ )^x = 3² / 3^x

⇒  3 ^ 3x × 3^x = 3²            [ since  ( a ^m)^n = a ^mn ]

⇒ 3^ (3x +x) = 3²                [ since a^m × a^n = a ^m+n ]

⇒ 3^4x = 3²

⇒4x = 2                      [ since  If a ^m = a ^n then m = n ]

⇒ x = 2 / 4

 ∴ x = 1 / 2

I hope this helps you.

8 0
2 years ago
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