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RUDIKE [14]
4 years ago
8

Which value of a would make the following expression completely factored? x2 – a

Mathematics
1 answer:
tigry1 [53]4 years ago
8 0

Answer:

a = 4.

Stepby-step explanation:

x^2 - 4 = (x + 2)(x - 2).

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A scale model of a boat is 6 inches long. The actual boat is 42 feet long. Which statement(s) are true??
Vitek1552 [10]

Answer:

B. 1 in = 7 ft

Step-by-step explanation:

Since on the scale the boat was 6 inches and the actual boat was 42 feet, we need to divide to see how many feet correlate to the number on inches on the scale. So we do 42 / 6, which equals 7. This means that for every inch on the scale, it will be 7 feet in real life.

3 0
3 years ago
Read 2 more answers
Shavon sees that the number she's working with is a terminating decimal. She then concludes that her number is rational. What mi
irinina [24]
<span>Shavon is incorrect; a terminating decimal is always irrational.
</span>
5 0
3 years ago
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Find the solution of the Quadratic Equation 2X^2 + 2x - 12 = 0 note: X^2 means x to the power of 2
allsm [11]

x=3 and x= -2

Step-by-step explanation:

we could simplify it to x*2 + x -6 = 0

then 2 numbers whose sum is 1 and product is -6

the numbers are 3 and -2

3 0
3 years ago
What is the set solution for 4x-3&gt;5 or -2x-7&gt;1
Troyanec [42]
Hello!

With inequalities are solved just like equations. I will solve both below.

4x-3+3>5+3
4x/4>8/4
x>2

-2x-7+7>1+7
-2x/-2>8/-2
x>-4

Our solutions are x>2 and x>-4.

Hope this helps!
6 0
3 years ago
What is greater 5/6 7/12 or 7/10
algol [13]
5/6
you can do 2 things here
use a calculator and divide the numerator by the denominator
or the method you're probably meant to use
change each fraction so they all have the same denominator
the common denominator in this case would be 60
5/6*10=50/60
7/12*5=35/60
7/10*6=42/60
the number with the highest numerator would be the larger fraction
in this case, being 50/60 or 5/6
7 0
3 years ago
Read 2 more answers
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