All categories

3 years ago

Please help if you know the answer please!

Mathematics

2 answers:

quester [9]3 years ago

7 0

36 I believe.....................

mash [69]3 years ago

5 0

Answer:

Step-by-step explanation:

We know that the perimeter is 30.

2 x 6 is 12 and 30 - 12 is 18. We subtract 12 because we want to know the other sides

18 is the length of the remaining sides so we just divide by 2 and we get 9.

You might be interested in

Simplify the expression.<br><br> 10h + 6 − 5h + 3

inn [45]

Answer:

Combine like terms. The like terms in this equation are the h’s and the real numbers. Add or subtract both of the same terms and that is the simplified answer.

10h-5h+6+3

5h+9

6 0

3 years ago

Read 2 more answers

I need help on this question as soon as possible

Dennis_Churaev [7]

Answer:

2.5, 5, 7, 8

Step-by-step explanation:

6 0

3 years ago

The curve with equation y = x - 3x + 1 is reflected in the x-axis.

ankoles [38]

Answer:

Step-by-step explanation:

7 0

3 years ago

How many different twotwo-letter passwords can be formed from the letters

Anna [14]

Answer:

$70$

Step-by-step explanation:

GIVEN: two two-letter passwords can be formed from the letters A, B, C, D, E, F, G and H.

TO FIND: How many different two two-letter passwords can be formed if no repetition of letters is allowed.

SOLUTION:

Total number of different letters $=8$

for two two-letter passwords $4$ different are required.

Number of ways of selecting $4$ different letters from $8$ letters $=^8C_4$

$=\frac{8!}{4!4!}$

$=70$

Hence there are $70$ different two-letter passwords can be formed using $8$ letters.

5 0

3 years ago

What does a plus over a minus sign mean? I'm a science student and am doing some data analysis for one of my reports. Am not gre

harkovskaia [24]

That symbol represents "plus out minus". usually represents uncertainty if it is beside a number.

e.g. 3± 0.3 means that the actual answer lies between 2.7 and 3.3

7 0

4 years ago

Read 2 more answers