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Anni [7]
3 years ago
12

HELP ME ASAP!!!

Mathematics
1 answer:
Lelu [443]3 years ago
5 0
1.) C 43                             9.) what is 4c?
2.) B 8 3/4                         10.) C 2 8/15
3.) D 6 rooms                    11.) B 4.2
4.) B 1/3                             12.) D 2 quarts
5.) C 8/9 cups
6.) D 88
7.) B 2 3/4
8.) B 14 2/5



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A right angled triangle has sides of length 9cm, 12cm and 15cm. Calculate its area in square centimetres.
Dmitriy789 [7]

The area of a right angled triangle with sides of length 9cm, 12cm and 15cm in square centimeters is 54 sq cm.

The formula to calculate the area of a right triangle is given by:

Area of Right Triangle, A = (½) × b × h square units

Where, “b” is the base (adjacent side) and “h” is the height (perpendicular side). Hence, the area of the right triangle is the product of base and height and then divide the product by 2.

We know that the hypotenuse is the longest side. So, the area of a right angled triangle will be half of the product of the remaining two sides.

Given sides of the triangle:

a=9cm

b=12cm

c=15cm

From this we know that the hypotenuse is c. Are of the triangle will be obtained by the other two sides.

∴Area = \frac{1}{2} x 9 x 12

= 54cm^{2}

5 0
1 year ago
The test scores for a group of students are shown.
GarryVolchara [31]
The median is 84.5. Feel free to ask me any other questions.
8 0
3 years ago
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Supposef(0) = 2 and 2 ≤ f '(x) ≤ 7for all x in the interval [−5, 5]. determine the greatest and least possible values of f(2).le
IgorC [24]

If the slope of the function is 2, the amount it can change over the interval 0–2 is

... 2×2 = 4 units

If the slope is 7, the amount it can change over the interval 0–2 is

... 2×7 = 14 units


The least possible value of f(2) is 2+4 = 6.

The greatest possible value of f(2) is 2+14 = 16.

7 0
3 years ago
3 • (4 + 5) is how much more than 3 • 4 + 5 ?
IrinaK [193]

Answer:27

Step-by-step explanation:

8 0
3 years ago
How can the zero product be applied to real life
ddd [48]

Answer:

The zero product property states that if a⋅b=0 then either a or b equal zero. This basic property helps us solve equations like (x+2)(x-5)=0.

The Zero Product Property simply states that if ab=0 , then either a=0  or  b=0 (or both). A product of factors is zero if and only if one or more of the factors is zero.

Step-by-step explanation:

hope it helps

7 0
2 years ago
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