Which correctly applies the distributive property to show an equivalent expression to (8.6)(–2.5)?

2 answers:

7 0

We see all of them have 2 and 0.5
so therfor b+c=-2.5

so

remember
a(b+c)=ab+ac
so
8.6(-2-0.5)=8.6(-2)+8.6(-0.5)

last option

elixir [45]3 years ago

6 0

Answer:

$(8.6)(-2.5)=(8.6)(-2)+(8.6)(-0.5)$

Step-by-step explanation:

Given the expression

$(8.6)(-2.5)$

we have to apply the distributive property

we can write 2.5 as 2+0.5

$(8.6)(-2.5)=(8.6)(-(2+0.5))=(8.6)((-2)+(-0.5))$

By distributive property,

$a.(b+c)=a.b+a.c$

$(8.6).((-2)+(-0.5))=(8.6)(-2)+(8.6)(-0.5)$

Hence, $(8.6)(-2.5)=(8.6)(-2)+(8.6)(-0.5)$

Therefore, the correct option is D

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Which type of triangle has one angle with a measurement greater than 90°?

masya89 [10]

Answer:
Obtuse-angled triangle

Explanation:
Triangles can be classified based on the measures of their angles as follows:
1- Right-angled triangle: Triangle that has one of its angles = 90°
2- Acute-angled triangle: Triangle that has all of its angles less than 90°
3- Obtuse-angled triangle: Triangle that has one of its angles greater than 90°

The attached image shows an obtuse-angled triangle. We can note that measure ∠B is greater than 90°

Hope this helps :)