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2 years ago

Does anyone know the answer to this? or how to do it?

Mathematics

1 answer:

Solnce55 [7]2 years ago

7 0

Answer:

( -2 , 0 ) maximum

Step-by-step explanation:

Watch the graph and point out the coordinates.

if its vertex is less that 0 or negative, then maximum.

With vertex being greater than 0 or positive, its minimum.

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The perimeter of a rectangular swimming pool is 414 meters. The length of the pool is 7 meters more than four times the width. F

PolarNik [594]

Answer:

Width = 40 meters

Length = 167 meters

Step-by-step explanation:

Let

Width of the pool = x meters

Then

Length of the pool = 4x + 7 meters

and

Perimeter $=2(x+4x+7)=2(5x+7)=10x+14$ meters

Hence,

$10x+14=414\\ \\10x=414-14\\ \\10x=400\\ \\x=40\ meters\\ \\4x+7=4\cdot 40+7=167\ meters$

5 0

2 years ago

) Rearrange v = u + at to make t the subject of the formula.

uranmaximum [27]

Answer:

t = v-u over a

Step-by-step explanation:

as you take away U

then divide by a

5 0

3 years ago

The ratio of side lengths of a quadrilateral is 3 : 5 : 6 : 9, and its perimeter is 9.2cm. What is the length of the longest sid

wolverine [178]

Answer:

longest side=3.6

let ratio 3:5:6:9be 3x,5x,6xand9x

perimeter= sum of all side

9.2=3x+5x+6x+9x

9.2=23x

x=9.2÷23

x=0.4

9x=9×0.4=3.6

6x=6×0.4=2.4

5x=5×0.4=2

3x=3×0.4=1.2

5 0

2 years ago

Dividing complex numbers

Neporo4naja [7]

Answer:

DIVIDING COMPLEX NUMBERS

<em>Dividing complex numbers is a little more complicated than addition, subtraction, and multiplication of complex numbers because it is difficult to divide a number by an imaginary number. For dividing complex numbers, we need to find a term by which we can multiply the numerator and the denominator that will eliminate the imaginary part of the denominator so that we end up with a real number in the </em><em>DENOMINATOR</em>

3 0

3 years ago

PLEASE HELP SOS

SVETLANKA909090 [29]

Answer:

Part a) Is a growth function

Part b) The function's percent rate of change is 160%

Step-by-step explanation:

we have

$f(x)=0.3(2.6^x)$