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ArbitrLikvidat [17]
2 years ago
13

Help would be really nice, tryin to get my grade up :)

Mathematics
2 answers:
lakkis [162]2 years ago
7 0

Answer:

5.6

Step-by-step explanation:

8 : 20

? : 14

(cross multiply)

<u>8 * 14</u>

 20         = <u> 5.6</u>

oksano4ka [1.4K]2 years ago
3 0

Answer:

5.6

Step-by-step explanation:

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the rule for being the nth item in a certain sequence is n(n+1)/2. what is the 4th term in this sequence ? a.) 4b.)10c.)16d.)20
abruzzese [7]

The 4th term of the sequence can be determined as,

\begin{gathered} a_n=\frac{n(n+1)}{2} \\ a_4=\frac{4(4+1)}{2} \\ a_4=10 \end{gathered}

Thus, option (b) is correct.

3 0
1 year ago
Eigthy millimetes as a percentage of one metre is<br>8<br>80<br>800<br>8000​
Anit [1.1K]

Answer:

8%.

Step-by-step explanation:

There are 1000 millimeters in 1 meter.

So the percentage is (80/1000) * 100

= 80/10

= 8%.

7 0
3 years ago
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I'm thinking of two numbers, 12 and another number. 12 and my other number have a GCF of 6 and a LCM of 36. What's the other num
mihalych1998 [28]

Answer:

As GCF is

6

and LCM is

36

, and one number is

12

other number is

6

×

36

12

=

6

×

3

36

1

12

=

18

Step-by-step explanation:

5 0
3 years ago
Find the difference in the given lengths of the polygons . (7x + 2) units (6x - 5) units .
Tom [10]

Answer:

Difference in the lengths of the polygons is (x + 7) units.

Step-by-step explanation:

Lengths of the given polygon = (7x + 2) units and (6x - 5) units

Therefore, difference in the given lengths = (7x + 2) - (6x - 5)

                                                                      = (7x - 6x) + (2 + 5)

                                                                      = x + 7

Therefore, difference in the lengths of the polygons is (x + 7) units.

7 0
2 years ago
Solve the following quadratic equation. *<br> x^2+12x-45=0
liq [111]

Answer:

9 over 5

Step-by-step explanation:

8 0
3 years ago
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