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guapka [62]
3 years ago
7

Eli is feeling gift bags each bag will have three baseball cards which number sentence could either used to find how many bags h

e can fill if he has 21 cars
Mathematics
1 answer:
nydimaria [60]3 years ago
6 0

Answer:

7

Step-by-step explanation:

if he has to be 3 in each baseball card and has 21 cards then you would divide 21 by 3 and get 7 which is your answer.

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HELP HELP
Liono4ka [1.6K]

Answer:

Equation of the parabola: y = 3 - 7x^2

Step-by-step explanation:

The equation of the parabola with vertex (h,k) is y = a(x - h)^2 + k

Thus, the equation of this parabola is  y = ax^2+3

To find a, use the fact that the parabola passes through the point (1,−4):

-4 = a(1)^2 +3

Solving this equation, we get that a = −7.

Thus, the equation of the parabola is y = 3 − 7x^2.

5 0
3 years ago
A carpenter needs 36 screws that are 1.5 inches long, 24 screws that are 2 inches long, and 12 screws that are 2.5 inches long.
Arisa [49]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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A bag contains hair ribbons for a spirit rally.The bag contains 3 black ribbons and 12 green ribbons.Lila selects a ribbon at ra
djverab [1.8K]
<span>3 black ribbons and 12 green ribbons
so P(</span><span>Lila selects a black ribbon)=3/(3+12)
=1/5
</span>2 black ribbons and 12 green ribbons left
P(<span>Jessica selects a green ribbon)=12/(12+2)
</span>=6/7

so P(<span>Lila selects a black ribbon and Jessica selects a green ribbon)
</span>=1/5*6/7
=6/35

ans is D

6 0
3 years ago
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Find the product of (x − 7)2.
vagabundo [1.1K]

Answer:

A.

Step-by-step explanation:

(x − 7)^2=

=x^2 − 14x + 49

5 0
3 years ago
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christopher has saved $40 toward the purchase of a new gaming system. If x is the amount he saves each month for six months, the
yan [13]
I'm assuming there is a typo in the question, and the expression is actually "6x+40". That expression factored is 2(3x+20).
5 0
3 years ago
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