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Delvig [45]
3 years ago
8

Find the area of a triangle with a base of 10 in. and an altitude of 14 in. (The formula for the area of a triangle is A = bh ÷

2.) A. 24 sq in. B. 70 sq in. C. 280 sq in. D. 140 sq in.
Mathematics
2 answers:
____ [38]3 years ago
6 0

Answer:

Choice B

Step-by-step explanation:

We have to find area of triangle.

We have given the base of triangle and altitude of triangle.

From question statement,we observe that

base=b= 10 inches and height=h=altitude= 4 inches

The area of triangle is half of base times the height of triangle.

Area= 1/2×base×height

By putting the values of base and height in above formula,we get

Area = 1/2×10×14

Area = 70 in².

hence, choice B is correct answer.

Vanyuwa [196]3 years ago
3 0

Answer:

The correct option is B.

Step-by-step explanation:

The area of triangle is

A=\frac{1}{2}\times b\times h

Where, b is the base of the triangle and h is the height of the triangle.

It is given that the base of the triangle is 10 inch and the height of the triangle is 14 inch.

The area of given triangle is

A=\frac{1}{2}\times 10\times 14

A=10\times 7

A=70

Therefore the area of triangle is 70 square inch and the option B is correct.

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Rama09 [41]

Answer:

17.5

Step-by-step explanation:

Pythagorean Theorem is a^2 + b^2 =c^2

a= 9 , b= 15, c= x

9^2 + 15^2 = c^2

\sqrt{306}= c^2

c= 17.493 or 17.5 rounded to the nearest tenth

4 0
3 years ago
If x=73, what does 4x+3 equal?
never [62]
4(73)+3
273+3
276
 Because you have to subsititue 73 for x. So you have to multiply 73 by 4 then what you get out of that you have to add it by 3.

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3 years ago
What is an easy way to remember factoring?
ICE Princess25 [194]

Answer:

FOIL

Step-by-step explanation:

First

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5 0
3 years ago
Explain how estimation helps you place the decimal point when multiplying 3.9 &5.3
kow [346]
3.9 and 5.3, when rounded off and mult. together, produce the product 20.
Thus, the decimal point must follow the first two digits of your answer, whether estimate or "exact."

3.9*5.3 = 20.67 by calculator.
6 0
3 years ago
Can you help with this please
mojhsa [17]

Answer:

x = 81

Steps:

It says that y ~ √x

We have points (9, 18) as a guide.

We can write y = f(x) = a√x +b

Use points (9, 18) as a guide

18 = a√9 +b

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