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3 years ago

Consider these signed numbers and determine whether each product is positive or negative.

Mathematics

1 answer:

djverab [1.8K]3 years ago

6 0

Answer:

1. negative. why: a negative multiplied by a positive will always be negative.

2. positive. why: a positive multiplied by a positive will always be positive.

3. positive. why: a negative multiplied by a negative will always be positive.

Step-by-step explanation:

hope this helps

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Find the area of the shape 9x2+5x4

kolbaska11 [484]

Step-by-step explanation:

9x2+5x4

= 18 + 20

= 38

the answer is 38

8 0

2 years ago

HELP FAST I WILL MARK AS BRAINLIEST.

vodka [1.7K]

Answer:

s = 1/3(a + b + c + 16)

Step-by-step explanation:

<h3>Given</h3>

If (s -a) = 5cm, (s -b) = 10cm, (s -c) = 1cm
s = ?

<h3>Solution</h3>

<u>Add up the 3 equations and solve for s:</u>

s - a + s - b + s - c = 5 + 10 + 1
3s = 16 + a + b + c
s = 1/3(a + b + c + 16)

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3 years ago

3k^2+12k-7kn-28n square meters and a length of 3k-7n meters.

melomori [17]

Step-by-step explanation:

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2 years ago

Match the statements to the correct ratios

Serhud [2]

(going to number these 1-4 starting with the top one)

1. 6:5

2. 1:3

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3 years ago

4xsquared - 9=0? could anyone help me solve this quadratic equation by FACTORING?

Verizon [17]

$\bf \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-------------------------------\\\\
4x^2-9=0\implies 2^2x^2-3^2=0\implies (2x)^2-3^2=0
\\\\\\\
[(2x)-3][(2x)+3]=0\implies 
\begin{cases}
2x-3=0\\
2x=3\\
x=\frac{3}{2}\\
------\\
2x+3=0\\
2x=-3\\
x=-\frac{3}{2}
\end{cases}$

7 0

3 years ago