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RUDIKE [14]
3 years ago
5

Which of the following statements istrue for every

Mathematics
1 answer:
Gelneren [198K]3 years ago
8 0

Answer:

Please see attachment

Step-by-step explanation:

Please see attachment

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Describe how you would estimate the square root of a number that is not a perfect square without using a calculator.
Mariulka [41]
Round of the number to the nearest whole number then multiply it by itself. 
5 0
3 years ago
(-2,17)(-1,13)(1,5)(2,1)(3,-3)<br> The rate of change is ____.
7nadin3 [17]
Answer:

The rate of change in -4

Step-by-step explanation:

The rate of change is also known as the slope

To do this, take two points {(-2, 17) , (-1, 13)} and find the slope

m = slope

m = change in y/change in x

m = 13 - 17/-1 - (-2)

m = -4/1

m = -4

The rate of change in -4
4 0
2 years ago
Q8 Q21.) Find the amount invested at each rate.
Pavlova-9 [17]
See the attached picture:

6% = 1200
9% = 2400
12% = 3800

5 0
3 years ago
Read 2 more answers
PLEASE CAN SOMEONE HELPPP
NikAS [45]

Answer:

second option

Step-by-step explanation:

The perimeter P is the sum of the 3 sides, then

P = 4x² + 3 + 2x - 5 + x + 11 ← collect like terms

= 4x² + 3x + 9

4 0
3 years ago
Solve x
d1i1m1o1n [39]

Step-by-step explanation:

x^{2} - 4x - 7 = 0

First, let's move the 7 to the right-hand side so we can determine what constant we'll need on the left-hand side to complete the square:

x^{2} - 4x = 7

From here, since the coefficient of the x term is -4, we know the square will be (x - 2) (since -2 it's half of -4).

To complete this square, we will need to add (-2)^{2} to both sides of the equation:

x^{2} - 4x + (-2)^2 = 7 + ^{-2}

x^{2} - 4x + 4 = 7 + 4

(x - 2)^{2} = 11

Now we can take the square root of both sides to figure out the solutions to x:

x - 2 = \pm \sqrt{11}

x = 2 \pm \sqrt{11}

7 0
3 years ago
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