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Fantom [35]
3 years ago
12

In ΔABC, what is the value of cos B? A) 5/13 B)12/13 C)5/12 D)13/12

Mathematics
1 answer:
Airida [17]3 years ago
4 0

Answer:

Value of cos B is B)12/13

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What's the answer to the equation of 4x^2+25<br> and show yor work please and thank you
padilas [110]
4x^2+25=4x^2=-25=x^2=-25/4 has no solution. because, negative number do not live under radical except complex number
4 0
3 years ago
The area A of a triangle with base b and height h is given by A = = bh. Find the area when b = 18 m (meters) and h = 30 m.
Pie

Answer:

Area = 270m^2

Step-by-step explanation:

Given

A = \frac{1}{2}bh

b = 18m

h = 30m

Required

Solve for A

Simply substitute 18 for b and 30 for h

A = \frac{1}{2}bh

A = \frac{1}{2} * 18 * 30

A = 270

Hence:

The area is

Area = 270m^2

6 0
3 years ago
Match the terms to their definition.1 . an open sentence of the form Ax + By + C &lt; 0 or Ax + By + C &gt; 0 linear inequality2
ra1l [238]

Answer:

1 . An open sentence of the form Ax + By + C < 0 is a linear inequality.

2 . An equation containing more than one variable is a literal equation.

3 . A statement formed by two or more inequalities is a compound inequality.

Step-by-step explanation:

A linear Inequality contains one inequality sign (> or <) sign, In Ax + By + C < 0,  Ax + By + C is less than 0.

A literal equation contains more than one variable and equates to a number. An example is Ax + By = 0.

A compound inequality uses OR and AND to join two linear inequalities. When AND is used, it indicates that the values of the variables are true in both inequalities.

6 0
3 years ago
What is the product of (7 x 10^-5) x (5 x 10^-8) <br> (7 x 10^-5) x (5 x 10^-8) = ? x 10^?
arsen [322]

Answer:

3.5\times10^-^1^2

Step-by-step explanation:

(7 \times 10^-5) \times (5 \times 10^-8)

Evaluate

(7 \times 5)\times(10^-^5\times10^-^8)

35\times10^-^5^-^8

35\times10^-^1^3

35\times10^1\times10^-^1^3

3.5\times10^1^-^1^3

3.5\times10^-^1^2

Thus, the answer is 3.5\times10^-^1^2

<em>~Lenvy~</em>

7 0
2 years ago
Answer #1 and #2 for Brainliest! Plz answer if you know and not just for points
zzz [600]

Answer:

#1:  A

#2:  2

I apologize if its wrong

3 0
3 years ago
Read 2 more answers
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