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3 years ago

The formula for the area of a triangle is , where b is the length of the base and h is the height.

Mathematics

2 answers:

lilavasa [31]3 years ago

8 0

Answer:

5 units

Step-by-step explanation:

area of triangle = (base × height) ÷ 2 or a = (bh)/2

30 = (12 × h)/2

Isolate the variable

30 × 1/12 = (12 × h)/2 × 1/12

Multiplying 1/12 on both sides cancels out the 12 on the right side and transfers it to the left side

2.5 = h/2

2.5 × 2 = h/2 × 2

Multiplying 2 on both sides cancels out the 1/2 on the right side and transfers it to the left side

5 = h

Alex3 years ago

6 0

Answer:

h = 24

Step-by-step explanation:

A = 1/2 b x h

30 = 12/2 x h

30 = 6 x h

-6 -6

24 = h

You might be interested in

What is the Lcm of 2 and 7

wel

Answer:

Step-by-step explanation:

The least common multiple is a number that both numbers can multiply something to get to, and the smallest possible common one.

Let's try listing out the multiples of 2:

2, 4, 6, 8, 10, 12, 14, 16, 18, 20

And the multiples of 7:

7, 14, 21, 28, 35, 42, 49, 56, 63, 70

Notice that both have the number 14 in common, and it is the first number that they do so. There are lots of other multiples that they have in common too, but 14 is the least.

5 0

3 years ago

Juan and Rob are selling cookie dough for a school fundraiser . Juan has t cookie dough orders , and Rob has 40 cookie dough ord

goldfiish [28.3K]

Answer:

Juan has 35(t) cookie dough orders.

Step-by-step explanation:

75(Overall) - 40(Rob's) = 35(Juan's)

Hope this helps you. :)

4 0

3 years ago

Read 2 more answers

Question 8 -

FinnZ [79.3K]

Answer:

Her wage on the 8th day is $105 ⇒ answer d

Step-by-step explanation:

* <em>Lets explain how to solve the problem</em>

- The average of set of data = The sum of data/the number of data

- The sum of data = the average of set of data × the number of data

∵ Cindy worked for 15 consecutive days

∵ She is earning an average wage of $91 per day

∴ Her total earning = 91 × 15 = $1365

∵ Her average earning during the first 7 days is $87 per day

∴ Her total earning in the first 7 days = 87 × 7 = $609

∵ Her average earning during the last 7 days is $93 per day

∴ Her total earning in the last 7 days = 93 × 7 = $651

- Her total earning in the 14 days is the sum of the earning in the

first 7 days and the earning during the last 7 days

∵ Her total earning in the 14 days = 609 + 651 = $1260

∵ Her total earning in the 15 days is $1365

- To find her wage on the 8th day subtract her wage of the 14 days

from her wage of the 15 days

∴ Her wage on the 8th day = 1365 - 1260 = $105

* Her wage on the 8th day is $105

7 0

3 years ago

Solve for x.

Lana71 [14]

Answer:

B. -5

Step-by-step explanation:

this is quite simple, so what you are going to want to do is multiply -3 by 4, and -16, so distribute that and you'll end up with

-12x+48= -12

then you want to subtract 48 from both side to leave the x on one side alone

that will be -12x= -60

after that you have to divide both sides by -12 to find your x

so then you will see that your x is = -5! hope this helps!!

4 0

3 years ago

A rocket is launched into the air. The height h(t), in yards, of the rocket is a function of time, t, in seconds, as shown in th

RideAnS [48]

Answer:

From 3 to 6 seconds, the rocket is falling 11 yards per second.

Step-by-step explanation:

Normal pace of progress is exactly the same thing as the slant. Since this is explanatory, we can't track down the specific pace of progress as we could if this were a straight capacity. Be that as it may, we can utilize a similar thought. At the point when t = 3, h(t) = 33, so the organize point is (3, 33). At the point when t = 6, h(t) = 0, so the facilitate is (6, 0). Attachment those qualities into the incline recipe:

m= 0-33/6-3 and m=-33/3 which is 11

From 3 to 6 seconds, the rocket is falling 11 yards each second.

Brainliest?

7 0

3 years ago