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Dafna1 [17]
3 years ago
14

F(x)=x²+4x-5 Step by step please

Mathematics
1 answer:
mote1985 [20]3 years ago
6 0

Are you solving for zeroes?

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Three fifths of a number y is negative 9. What is the number?
klio [65]
\frac{3}{5}y=-9 \ |*5 \\\\ 3y=-45 \ |:3\\\\ y=-15
or
\frac{3}{5}y=-9 \\\\ 0,6y=-9 \ |*10\\\\ 6y=-90 \ |:6\\\\ y=-15
3 0
3 years ago
Read 2 more answers
HELP ME FIND MIDPOINT
mezya [45]

Answer: (-1/2, 0) which is the same as saying (-0.5, 0)

================================================

Explanation:

The x coordinates of A and B are -2 and 1 respectively.

Add up those values to get -2+1 = -1

Then cut that result in half: -1/2 = -0.5

This is the x coordinate of the midpoint.

--------

Repeat for the y coordinates:

Add: 1 + (-1) = 0

Cut in half: 0/2 = 0

The y coordinate of the midpoint is 0

-------

Overall, the midpoint is located at (-1/2, 0) which is the same as writing (-0.5, 0). This is where the segment AB crosses the x axis.

8 0
3 years ago
I am a six digit number with two digits less than a whole. If you picked any of my
vlabodo [156]
Very interesting. Never seen this before lol.
4 0
3 years ago
I need help with this question :/
Setler79 [48]

Answer:

see explanation

Step-by-step explanation:

Note there is a common ratio between consecutive terms of the sequence, that is

- 450 ÷ 15 = 13500 ÷ - 450 = - 405000 ÷ 13500 = - 30

Thus to obtain the next term in the sequence multiply the previous term by - 30

start with 15 and multiply by - 30

8 0
4 years ago
1,030 at 4% compounded semiannually for 2 years
kotegsom [21]

Answer: $1114.91

Step-by-step explanation:

The formula for compound interest is

A= P(1+\frac{r}{n})^{nt}  \\

Where

A = final amount

P = initial principal balance (1030 for this)

r = interest rate (0.04 for this)

n = number of times interest applied per time period (2 for this)

t = number of time periods elapsed (2 for this)

A= 1030(1+\frac{.04}{2})^{(2)(2)}  \\\\A= 1030(1+0.02)^{4} \\A=1030(1.02)^4\\A=1114.905125

This rounds up to $1114.91

6 0
3 years ago
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