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shepuryov [24]
3 years ago
6

The square pyramid below represents a tent that Wayne is making.

Mathematics
2 answers:
ZanzabumX [31]3 years ago
6 0

Answer:

79

Step-by-step explanation:

ikadub [295]3 years ago
3 0

Answer:

79

Step-by-step explanation:

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Find the 70th term of the following arithmetic sequence.<br><br> 12,17,22,27,...
nikdorinn [45]
Since it starts at 12 and is increasing by 5 each time, the 70th term will be;
12 + 5(70)
12 + 350
362

362 is the 70th term of the sequence.
8 0
3 years ago
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What is the y-intercept of the function, represented by the table of values
AleksandrR [38]

Answer:

9

Step-by-step explanation:

The table is given below

\left|\begin{array}{c|cc}x&y\\--&--\\-2&15\\1&6\\2&3\\4&-3\\7&-12\end{array}\right|

We can see that the table represents a linear function since by checking its slope.

Using:

  1. Points (-2,15) and (1,6)
  2. Points (1,6) and (2,3)

Slope =\dfrac{6-15}{1-(-2)} =\dfrac{3-6}{2-1}=-3

Therefore, the values represent a linear function.

A linear equation is of the form y=mx+b

Therefore:

y=-3x+b

Using the points (7,-12)

-12=-3(7)+b\\-12=-21+b\\b=-12+21\\b=9

Therefore, the y-intercept of the function, represented by the table of values is 9.

6 0
3 years ago
Find the center and radius when x^2+y^2+4x-4y=17
coldgirl [10]

Answer:

the center is (-2,2) and the radius is 5

3 0
3 years ago
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In a sale, all prices are reduced by 25%. Work out the
Leno4ka [110]

Answer:

1650

Step-by-step explanation:

2200*.25=1650 sale price

6 0
3 years ago
A rectangular picture has dimensions 2½ by 1½. It is to be enlarged so that it is still similar to the original rectangle. If th
S_A_V [24]
Original Perimeter = 2.5 + 2.5 + 1.5 + 1.5 = 8
The longer dimension is 2.5 as 2.5 > 1.5To make 2.5 into 10, we must multiply by 4For the smaller length, we must also multiply by 41.5 x 4 = 6
New Perimeter = 10 + 10 + 6 + 6 = 32
Now find the difference between the old and the new perimeter32 - 8 = 24

<em>*No units were specified - if included, remember to put them in your answer.</em>
4 0
3 years ago
Read 2 more answers
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