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IrinaK [193]
3 years ago
5

Help meee plsssssssssssss

Mathematics
2 answers:
pshichka [43]3 years ago
4 0

Answer:bet

Step-by-step explanation: I would but I’m not smart enough

aniked [119]3 years ago
4 0
I can’t see image pls repost thank you!
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432566 10.5.623467.14,5<br><br> 4. What is the 1s (lower) quartile of the data set?
egoroff_w [7]

Answer:

I feel sorry that looks hard. see how do you like it. waiting for an answer and then someone finally answers. and there being a smart Butt

Step-by-step explanation:

4 0
4 years ago
Jaiden earned $84 last week. Peter earned only $12. Jaiden's earnings are how many times greater than Peter's.
Colt1911 [192]

Answer:

×7

Step-by-step explanation:

84 \div 12 = 7

6 0
1 year ago
PLSSS HELP ASAP<br> solve questions 1-5 please
sertanlavr [38]

#1. 4x^2 + 17 - 15 = 0

Use the roots given, and plug them in to a factored form. Then, foil! It can also be helpful to multiply the equation to get rid of decimals/fractions.

(x - 3/4)(x + 5) = 0

x^2 - 3/4x + 5x - 3 3/4 = 0

x^2 + 4.25 - 3.75 = 0 (multiply everything by 4)

4x^2 + 17 - 15 = 0

#2. y = 0, -4

Both 4y^2 and 16y contain a 4 in the coefficient and a y in the variables. Therefore, we can factor out a 4y from each.

4y(y + 4) = 0

Then, set both parts of the factored equation equal to 0.

4y = 0

y = 0

y + 4 = 0

y = -4

#3. a = 0, -3

Both 6a^5 and 18a^4 contain a 6 in the coefficient and an a in the variables. Therefore, we can factor out a 6a^4 from each.

6a^4(a + 3) = 0

Then, set both parts of the factored equation equal to 0.

6a^4 = 0

a = 0

a + 3 = 0

a = -3

#4. x = -8

We are looking for two terms that multiply to equal a * c, and add up to equal b. We know that 8 + 8 = 16, and 8 * 8 = 64. There are no negatives in this equation, therefore both signs in our factored form are positive.

(x + 8)(x + 8) = 0

x + 8 = 0

x = -8

#5. x = -8, 8

First, subtract 64 from both sides. The key word here is 'factoring.' If this was not present, there is a different way (which may be easier for some).

x^2 = 64

x^2 - 64 = 0

Next, use the difference of two squares property to factor (x - c)(x + c), and set the two binomials equal to 0.

(x - 8)(x + 8) = 0

x - 8 = 0

x = 8

x + 8 = 0

x = -8

Hope this helps!! :)

3 0
3 years ago
Jillian owns 17%of the stock in a private catering corporation there are 9,400 shares in the entire corporation
damaskus [11]

Answer:

1598

Step-by-step explanation:

3 0
3 years ago
A person standing close to the edge on top of a 24-foot building throws a ball vertically upward. The quadratic function h(t)=−1
Nutka1998 [239]

Answer:

a) maximum height is 156.25 ft

b) 6 seconds

Step-by-step explanation:

a) The maximum height can be found by finding the y-coordinate of the vertex. The vertex is the highest point in a parabola opened downward.

I start with by finding the t-coordinate of the vertex.

The t-coordinate of the vertex is \frac{-b}{2a} where the expression -16t^2+92t+24 will need to be compared to at^2+bt+c.

We see that a=-16,b=92,c=24.

So the t-coordinate of the vertex is \frac{-b}{2a}=\frac{-92}{2(-16)}=\frac{-92}{-32}=\frac{23}{8}.

We can find the h, the height, that corresponds to this t by using the equation h=-16t^2+92t+24 where t=\frac{23}{8}.

So inserting 23/8 for t.

-16(23/8)^2+92(23/8)+24

Plugging into calculator gives you 625/4.

So the maximum height is 625/4 or 156.25.

b) Let's find how long it takes the ball to hit the ground. If the ball is on the ground, then the distance between the ball and the ground is 0.  So we are looking to solve h(t)=0 for t.

So this is equation we are solving for t:

-16t^2+92t+24=0

These numbers are big but since all the terms have a common factor we can make them slightly smaller.

That is, we are going to divide both sides by -4 and see

4t^2-23t-6=0

It looks like it could be possible to factor.

a=4

b=-23

c=-6

We need to find two numbers that multiply to be ac and add up to be b.

a*c=4(-6)=-24

b=-23

So -24=-24*1 and -23=-24+1.

We are going to replace -23t with -24t+1t giving up something that should be factorable by grouping.

4t^2-23t-6=0

4t^2-24t+1t-6=0

Group the first 2 together and group the last two together:

(4t^2-24t)+(1t-6)=0

Factor what you can from each pair:

4t(t-6)+1(t-6)=0

Now each term has a common factor of (t-6) so factor that out giving you:

(t-6)(4t+1)=0

Set both factors equal to 0 giving you

t-6=0              or               4t+1=0

  t=6               or               4t  =-1

  t=6               or                 t=-1/4

So it hit the ground in 6 seconds.

8 0
3 years ago
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