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Flura [38]
2 years ago
14

Can someone please answer this, ill give you brainliest Would be very appreciated.

Mathematics
1 answer:
nasty-shy [4]2 years ago
7 0

Function: f(x) = x² -2x

Find y intercept:

y = 0² - 2(0)

y = 0

coordinates: (0, 0)

Vertex:

<u>-b/2a</u> = -(-2)/2(1) = 1

y coordinates = 1² - 2(1) = -1

vertex coordinates: (1, -1)

x intercept:

x² -2x = 0

x(x - 2) = 0

x = 0, 2

coordinates: (0, 0), (2, 0)

True statements:

option D

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anu borrows 12,500 as 12% per annum for 3 years at simple interest find the simple interest she has to pay at the end of 3 years
marishachu [46]

Answer:

The interest is 4,500

Step-by-step explanation:

We use the simple interest formula,

I = Prt

where

I = interest

P = principal amount = 12,500

r = interest rate = 12% = 0.12

t = time = 3 years

I = Prt

I = 12,500 × 0.12 × 3

I = 4,500

3 0
2 years ago
Solve for x: 10(x + 1) = 2x - 7
Lisa [10]

Answer:Simplifying

x = -2.125

Step-by-step explanation:Add '-10' to each side of the equation.

10 + -10 + 8x = -7 + -10

Combine like terms: 10 + -10 = 0

0 + 8x = -7 + -10

8x = -7 + -10

Combine like terms: -7 + -10 = -17

8x = -17

Divide each side by '8'.

x = -2.125

Simplifying

x = -2.125

4 0
3 years ago
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What is the area of the pool ?
Lostsunrise [7]

Answer:

brainly.com/question/24258518

Step-by-step explanation:

3 0
3 years ago
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(-3√ -81)(-5+√ -9)+9i
AnnyKZ [126]

Answer:

144i + 81

Step-by-step explanation:

(-3*9i)(-5 + 3i) + 9i

-27i (-5 + 3i) + 9i

FOIL

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144i + 81

5 0
3 years ago
3. Solve using substitution.<br> x - y = 4<br> 3x - 2y = -5
Vedmedyk [2.9K]

<u>Given</u>:

The system of linear equations are x-y=4 and 3x-2y=-5

We need to determine the solution to the system of equations using substitution method.

<u>Solution</u>:

The solution can be determined using the substitution method.

Let us substitute x=4+y in the equation 3x-2y=-5

Thus, we have;

3(4+y)-2y=-5

12+3y-2y=-5

          12+y=-5

                  y=-17

Thus, the value of y is -17.

Substituting y=-17 in the equation x-y=4, we get;

x+17=4

       x=-13

Thus, the value of x is -13.

Hence, the solution to the system of equations is (-13,-17)

6 0
4 years ago
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