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Firdavs [7]
3 years ago
6

Please answer correctly I’ll mark you brainlist!

Mathematics
2 answers:
a_sh-v [17]3 years ago
8 0

Answer:

5

Step-by-step explanation:

Basically we need 60 because the area is 30, the formula to find area of a triangle is base times height times 1/2, so then 30 (area) times 2 is 60, then, 60 divided by 12 is 5. so your answer is 5!!

Vladimir [108]3 years ago
4 0

Answer: 5 cm

Step-by-step explanation:

since the last step in finding area of a triangle is divide by 2, multiply the area by 2 to get the original number

30 x 2 = 60

area/base = height

60/12 = 5

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You have nine books that you want to arrange on a book shelf. How many different ways can you arrange the books on one shelf?
laila [671]

oh its easy you can do 3 books each layer

8 0
3 years ago
4 mm
Schach [20]

Answer:

Area  =  40mm

Example:

The below-solved example problem may be useful to understand how the values are being used in the mathematical formulas to find the trapezoid area.

Example Problem :

Find the area of a trapezoid having the bottom length a = 15 cm, top length b = 12 & height h = 9 cm?

Solution :

The given values

bottom length a = 15 cm

top length b = 12 cm

height h = 10 cm

Step by step calculation

formula to find area = ((a + b)/2) h

substitute the values

= ((15 + 12)/2) x 9

= 121.5 cm2

7 0
3 years ago
2) 1 - 3p+2p - 9<br> Your<br> answer<br> This is a required question
Pavlova-9 [17]

Answer:

-p - 8

Step-by-step explanation:

1 - 3p + 2p - 9 = -p - 8

7 0
3 years ago
HELP HELP HELP HELP HELP!!!!
Nutka1998 [239]

Answer:

5)m=11/10

6)m=-17/2

7)m=18.13

8)m=-26/9

BTW The M is an EXAMPLE

Step-by-step explanation:

4 0
3 years ago
Can someone answer this if you don’t mind
allsm [11]

4x-10 and 7x-8 are supplementary angles and thus add up to 180 degrees.

Thus, 11x - 18 = 180 degrees.

Combining like terms, 11x = 198, and x = 18.

The two supplementary angles are 4(18)-10 and 7(18)-8, or 62 and 118 degrees.

4 0
4 years ago
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