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Butoxors [25]
3 years ago
11

A triangle has a dimension of 3 cm, 4 cm, and 5 cm, where the base is 4 cm and the altitude of The triangle is 3.2 cm. Calculate

the area and perimeter of the triangle.​
Mathematics
1 answer:
givi [52]3 years ago
4 0

Answer:

The area is 6.4cm, the perimeter is 12cm

Step-by-step explanation:

The formula to calculate area is

A=\frac{h_{b}*b}{2}=\frac{3.2*4}{2}=6.4

Where h_{b} is the height

And for the perimeter, you just add up the size of the sides.

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Which of the following situations can be defined using an exponential function?
Darya [45]

Answer:

D) The number of bacteria decreases by 7% each hour.

Step-by-step explanation:

Exponential functions describe situations where values do not increase at a linear or constant rate. Adding or subtracting every year or hour will result in a linear function, so A, B, and C are incorrect.

5 0
3 years ago
Read 2 more answers
A circle has a circumference of
Trava [24]

Answer:

The diameter is 1 unit.

Step-by-step explanation:

The formula for circumference of a circle of diameter d is C = (3.14)d, where 3.14 is a close approximation of π (pi).

Here the circumference is given and is 3.14 units.  Because C = 3.14d,

the diameter of this circle is 3.14/3.14, or simply 1 (unit).

6 0
3 years ago
What are the Factors of 32 and 72?
Alexus [3.1K]

Answer:

The factors of 32 are 32, 16, 8, 4, 2, 1. The factors of 72 are 72, 36, 24, 18, 12, 9, 8, 6, 4, 3, 2, 1. The common factors of 32 and 72 are 8, 4, 2, 1, intersecting the two sets above.

plz mark brainliest :DD

4 0
3 years ago
Read 2 more answers
Find the perimeter of the figure below.
Vika [28.1K]

Answer:

P=50

Step-by-step explanation:

First use the formula for perimeter which is P = 2l + 2w. Then plug in to find your answer.

STEPS:

P = 2l + 2w

P=2(13)+2(12)

P=26+24

P=50

3 0
3 years ago
Ayana has 220 coins in her piggy bank Of those 40percent are pennies. Out of the coins that are not pennies 25 percent are partn
Rzqust [24]
To find a percent of a number, multiply the percent by the number.

First we find the number of pennies.

40% of 220 =

= 40% * 220

= 0.4 * 220

= 88

88 coins are pennies.

220 - 88 = 132

132 coins are not pennies.

Now we find 25% of 132.

25% of 132 =

= 25% * 132

= 0.25 * 132

= 33

33 coins are partners.

(Did you mean quarters instead of partners?)
3 0
4 years ago
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