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3 years ago

HELPPPPPPPPP PLEASSEEEEE

Mathematics

2 answers:

Lilit [14]3 years ago

7 0

The answer is approximately c, 10.2 units.

SVEN [57.7K]3 years ago

6 0

The answer would be C.

This is because since XY and YZ are the same size/shape, their connecting lines (ZY, XY) are the same too.

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Rewrite the function f(x)=-4(x-3)^2+16 in the form f(x)=ax^2+bx+c

elena55 [62]

Answer:

f(x) = - 4x² + 24x - 20

Step-by-step explanation:

Given

f(x) = - 4(x - 3)² + 16 ← expand the factor using FOIL

= - 4(x² - 6x + 9) + 16 ← distribute parenthesis by - 4

= - 4x² + 24x - 36 + 16 ← collect like terms

= - 4x² + 24x - 20

4 0

3 years ago

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adoni [48]

Answer:

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Step-by-step explanation:

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3 years ago

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Triss [41]

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3 years ago

Calculate the volume of this prism 20 cm 30 cm 10 cm

Ghella [55]

Answer:

$6000(cm)^{3}$

Step-by-step explanation:

$30 \times 10 \times 20$

$300 \times 20$

$6000(cm)^{3}$

<h3>Hope it is helpful...</h3>

5 0

3 years ago

Substitution method 4x + y = 14 6x - 3y = 3

lakkis [162]

Answer:

x = 2.5
y = 4

Step-by-step explanation:

We know that:

4x + y = 14
6x - 3y = 3

Let's first solve for y by choosing any equation.

4x + y = 14
=> y = 14 - 4x

Now, let's substitute the value of y into the second equation.

6x - 3y = 3
=> 6x - 3(14 - 4x) = 3
=> 6x - 42 + 12x = 3
=> 18x - 42 = 3
=> 18x = 42 + 3
=> 18x = 45
=> x = 45/18 = 5/2 = 2.5

Now, let's substitute the value of x into the equation of y.

=> 14 - 4x = y
=> 14 - 4(2.5) = y
=> 14 - 10 = y
=> y = 4

Hence, the value of x and y are 2.5 and 4 respectively.

3 0

3 years ago