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Sergio [31]
3 years ago
5

Can someone please tell me why I got this wrong?

Mathematics
1 answer:
kvasek [131]3 years ago
8 0
We have 
f(x)=<span>−x</span>²<span>+ 5x + 6
g(x)=</span><span>3x − 2

we know that
f(x)=g(x)
the solution is the intersection both graphs

using a graph tool
see the attached figure

the solution are the points
(4,10)
and
(-2,-8)

</span>

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The angle of elovation from the bottom of a hill to the top is 15. The top of the hill is 200 m above ground level. a)How far to
Allisa [31]

Check the picture below.

6 0
3 years ago
In 1970, the median home value was $20,000. By 2020, the median home value was $320,000. What is the percent increase in home va
ArbitrLikvidat [17]

Answer:

1500%

Step-by-step explanation:

The formula for Percentage increase is

Increase/ Initial Amount × 100

Increase = Current Amount - Initial Amount

Increase = $320,000 - $20,000

Increase = $300,000

Percentage Increase =

$300,000/$20,000 × 100

= 1500%

The percent increase in home value in those 50 years is 1500%

8 0
3 years ago
Alex wants to start an IRA that will have $1,250,675 in it when he retires in 30 years. How much should he invest semiannually i
gulaghasi [49]
The formula of the future value of annuity due is
Fv=pmt [(1+r/k)^(kn)-1)÷(r/k)]×(1+r/k)
Fv future value 1250675
PMT semiannual payment?
R interest rate 0.045
K compounded semiannual 2
N time 30 years
Solve the formula for PMT
PMT=Fv÷ [(1+r/k)^(kn)-1)÷(r/k)]×(1+r/k) Plug in the formula
PMT=1,250,675÷((((1+0.045
÷2)^(2×30)−1)÷(0.045÷2))×(1+0.045÷2))
=9,828.44...Answer

Hope it helps!
7 0
3 years ago
Read 2 more answers
Help plz I need the right answer
Nikolay [14]

Answer:

3 1/5 square units

Step-by-step explanation:

4 units * 4/5 shaded

4*4/5 = 16/5

Changing to a mixed number

5 goes into 16 3 times with 1 left over

3*5 = 15   16-15 = 1

3 1/5 square units

4 0
3 years ago
Oliva works 4 hours each week more than lily
Fynjy0 [20]

Answer:

12 hours

Step-by-step explanation:

First it’s every 2 weeks so divide by 2 to find 1 week and get 16 hours a week then subtract 4 hours cause olivia works 4 more per week and u get 12 hours so Lily works 12 hours a week ;)

sorry if wrong have a good day/night

may i please have a branllest

7 0
3 years ago
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