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LUCKY_DIMON [66]
3 years ago
15

1 Which expression is equivalent to al3 + ?

Mathematics
1 answer:
horsena [70]3 years ago
8 0

Answer: A

Step-by-step explanation: Hope this help :D

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I need one more good reason to pitch a game reality show. Since the last person I asked trolled me :(
Lorico [155]

Answer:

A good reason is to bring people together to answer questions that can improve millions of who watch to know more.

Step-by-step explanation:

7 0
3 years ago
What number should be added to the expression x2 + 14x to change it into a perfect square trinomial?
spin [16.1K]
(x+a)^2=x^2+2\cdot x\cdot a+a^2\ \ \ \Rightarrow \ \ \ \ 2\cdot x\cdot a=14x\ \ \ \Leftrightarrow\ \ \ 2a=14\ /:2\\\\a=7\ \ \ \Rightarrow\ \ \ a^2=7^2=49\\\\\ \ \ \Rightarrow\ \ \ a\ perfect\ square\ trinomial=(x+7)^2
6 0
3 years ago
Read 2 more answers
Boston , Massachusetts, and buffalo, New York, are hit by snowstorms that last 3 days . Boston accumulates snow at a rate of 1.5
stich3 [128]

Question is ;

Complete question is;

Boston , Massachusetts, and buffalo, New York, are hit by snowstorms that last 3 days . Boston accumulates snow at a rate of 1.5 feet every 36 hours. Buffalo accumulates snow at a rate of 0.01 inches every minute.

Which city accumulates more snow in 3 days? How much more snow?

Answer:

- Boston accumulates more snow in 3 days.

- It accumulates 0.6 ft of snow more than Boston

Step-by-step explanation:

Boston accumulates 1.5 feet of snow every 36 hours.

Number of hours in 3 days = 24 × 3 = 72 hours.

Thus, In 72 hours, Boston would have accumulated; (1.5 × 72)/36 = 3 feet of snow.

Now, Buffalo accumulates 0.01 inches of snow every minute.

In 3 days, number of minutes we have = 60 × 24 × 3 = 4320 minutes

Thus, total snow accumulated in 3 days = 0.01 × 4320/1 = 43.2 inches

Now, let's convert this to ft;

12 inches = 1ft

Thus; 43.2 inches = 43.2 × 1/12 = 3.6ft

Thus, Buffalo accumulates more snow in 3 days.

It accumulates 0.6 ft of snow more than Boston

3 0
3 years ago
A parabola with vertex (h, k) and a vertical axis of symmetry is modeled by the equation y - k = a(x - h)2. Determine the vertex
Readme [11.4K]
Hello :
<span>y - 4 = (x+1)²
h = -1    and  k=4
the vertex is : A(-1 ; 4)</span>
6 0
3 years ago
Alessandro currently has $2,400 in his savings account. He saves $250 per month. Bea currently has $1,750 in her account. She sa
Flauer [41]
Bea has $550 more money than Alessandro after 12 months.
Explanation:
So let start with writing the equation for Alessandro money. So we know that the current amount in his/her bank account has $2,400 and she saves $250 per month. So the equation that best fit these terms is:
y
=
250
x
+
2
,
400
Bea has $1,750 in his/her bank account and saves $350 per month. So the equation that best fit these terms is:
y
=
350
x
+
1
,
750
So for x for both of these equations is 12. So let plug the number in
Alessandro:
y
=
250
(
12
)
+
2
,
400

y
=
3000
+
2400

y
=
$
5400
after 12 months
Bea:
y
=
350
(
12
)
+
1750

y
=
4200
+
1750

y
=
$
5950
after 12 months
So subtracting $5950 and 5400 gives us a $550

hope this helps :p
7 0
3 years ago
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