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3 years ago

Help!!! Whats The answer, Please explain your answer Marking brainlliest:D I really need this.

Mathematics

2 answers:

Julli [10]3 years ago

7 0

Each side is 4 feet so plug it into the formula
6 x s^2
So 6 x 4^2
4^2 is 16 so
16 x 6
Equals 96.
So A is your answer

Leno4ka [110]3 years ago

4 0

It’s A you’re welcome btw :)

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Beyonce is solving a system of equations:

aivan3 [116]

Answer:

x=5, y=4. (5, 4).

Step-by-step explanation:

2x-3y=-2

4x+y=24

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-2(2x-3y)=-2(-2)

4x+y=24

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-4x+6y=4

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3 years ago

TRUE or FALSE; Quadratic Equations' graphs take the form of V's.

Whitepunk [10]

Answer:

False, they take form of a U shape

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3 years ago

The current temperature is 8 degrees fahrenheit. By how many degrees does the temperature need to change to reach 7 degrees fahr

trapecia [35]

Answer:

-8-7= 15

so the answer is 15

Step-by-step explanation:

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3 years ago

A box has a volume of 546cm3 and a surface area of 422cm2. What are the Length, Width and Height?

Klio2033 [76]

We know that the formula for the volume of a box is:

$V =lwh$

Where:
l = length
w = width
h = height

The formula of the surface area of a box is:
$SA=2(lw+lh+wh)$

Based on the given we know the following:
$546cm^{3} =lwh$

and

$422cm^{2}=2(lw+lh+wh)$

If we factor out the given volume, you can come up with 3 numbers that will satisfy the surface area formula:

$546=6*7*13$

Let:
l = 6cm
w = 7cm
h = 13cm

Now let's try this on the surface area formula:
$422cm^{2}=2(lw+lh+wh)$
$422cm^{2}=2((6cm*7cm)+(6cm*13cm)+(7cm*13cm))$
$422cm^{2}=2(42cm^{2}+79cm^{2}+91cm^{2})$
$422cm^{2}=2(211cm^{2})$
$422cm^{2}=422cm^{2}$

The answer is then:
l = 6cm
w = 7cm
h = 13cm

Any order would be fine.

4 0

3 years ago

Describe the graph of the function. y = |x – 4| – 7

Lemur [1.5K]

Answer:

This is always ''interesting'' If you see an absolute value, you always need to deal with when it is zero:

(x-4)=0 ===> x=4,

so that now you have to plot 2 functions!

For x<= 4: what's inside the absolute value (x-4) is negative, right?, then let's make it +, by multiplying by -1:

|x-4| = -(x-4)=4-x

Then:

for x<=4, y = -x+4-7 = -x-3

for x=>4, (x-4) is positive, so no changes:

y= x-4-7 = x-11,

Now plot both lines. Pick up some x that are 4 or less, for y = -x-3, and some points that are 4 or greater, for y=x-11

In fact, only two points are necessary to draw a line, right? So if you want to go full speed, choose:

x=4 and x= 3 for y=-x-3

And just x=5 for y=x-11

The reason is that the absolute value is continuous, so x=4 works for both:

x=4===> y=-4-3 = -7

x==4 ====> y = 4-11=-7!

abs() usually have a cusp int he point where it is =0

Step-by-step explanation:

5 0

3 years ago