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PtichkaEL [24]
3 years ago
13

I ned help on homework pls help

Mathematics
1 answer:
zmey [24]3 years ago
4 0

Answer:

Step-by-step explanation:

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The base of the pyramid is a square. what is the volume of the pyramid. enter your answer in the box.
Ugo [173]

Answer:

The volume of the pyramid is 672\ cm^{3}

Step-by-step explanation:

we know that

The volume of the pyramid of the figure is equal to

V=\frac{1}{3}b^{2}h

we have

b=12\ cm

h=14\ cm ----> the height must be perpendicular to the base

substitute

V=\frac{1}{3}(12^{2})(14)=672\ cm^{3}

7 0
3 years ago
-11x-4>-15
Pie

Answer:

x<1

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Help please<br><br> Factorise<br><br> x²-x-56<br><br> its due in 4 minutes
Iteru [2.4K]

Answer:

(x-8)(x+7)

Step-by-step explanation:

using quadratic formula we have

x=  \frac{-b+-\sqrt{b^{2}-4*a*c}}{2*a}

we have:

x^2-x-56=0

a= 1 b=-1 c=-56

so we have:

x=(-(-1)+-sqrt(1^1-4*(1)*(-56)))/(2*1)

x=1+-sqrt(1-4*(-56))/(2)

x=(1+-sqrt(225))/2

x=(1+-15)/2

so we have the roots:

x1=(1+15)/2 =8

x2=(1-15)/2=-7

so the answer is (x-8)(x+7)

7 0
3 years ago
Read 2 more answers
How much did jennie earn if she got $40 for babysitting plus a 15% tip
vazorg [7]

Answer:

$46

Step-by-step explanation:

100% of 40 is 40. 10 percent of 40 is 4. 5% of 40 is 2. 40+4+2=46.

7 0
2 years ago
The length of the red line segment is 8 and the length of the blue line segment is 4. How long is the major axis of the eclipse?
liraira [26]

The major axis of the eclipse is 12 units long

The given parameters can be represented as:

Red = 8

Blue = 4

See attachment for illustration

To solve this question, we make use of the following theorem

The distance between a point and the foci sums up to the major axis

This translates to:

Major\ axis = Red + Blue

Major\ axis = 8 + 4

Major\ axis = 12

7 0
3 years ago
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