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olga nikolaevna [1]
3 years ago
11

What operation does the expression x + 5 involve?

Mathematics
1 answer:
Mamont248 [21]3 years ago
5 0

Answer:

It is an algebraic expression

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Which one is it? need help please
klio [65]
When x = - 4 then
y = 1/2(-4) -6
y = -2 - 6
y = -8
solution (-4, -8)
answer is 
B. (-4, -8) second choice
3 0
3 years ago
Find the value of f(-7)
Reika [66]

Answer:

-7

Step-by-step explanation:

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5 0
3 years ago
Please i need help on my math
Kamila [148]

Answer:

V = \pi (2.5)^2h

Step-by-step explanation:

The formula for the volume of a cylinder, is V = π r^2 h. It shows that the diameter is 5. But we need the radius. The radius is half of the diameter. So, 5/2. This gets you 2.5.

The equation is now:

V = π(2.5)^2h

This is the answer.

V = \pi (2.5)^2h

8 0
2 years ago
Determine the number of possible triangles, ABC, that can be formed given A = 30°, a = 7, and b = 18.
zzz [600]

Answer:

none

Step-by-step explanation:

We are given a triangle ABC with ∠A = 30°, sides a = 4 and b = 10.

According to the 'Law of Sines- Ambiguous Case', we have,

If a < b×sinA, then no triangle is possible.

If a = b×sinA, only one triangle is possible

If a > b×sinA, two triangles are possible.

So, we have,

b×sinA = 10 × sin30 = 10 × 0.5 = 5.

Now, as

4 = a < bsinA = 5.

We get, according to the rule, no triangle is possible.

8 0
2 years ago
I don’t really understand this
PtichkaEL [24]

Answer:

you put the -3 where the x's are

Step-by-step explanation:

f(x)= -2(-3)^2 - 3(-3) + 6

i think i hope thats right

3 0
3 years ago
Read 2 more answers
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