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ruslelena [56]
3 years ago
10

What is the surface area of the pyramid whose net is shown here?

Mathematics
1 answer:
Lunna [17]3 years ago
4 0
Urface area  = area of the square + area of the 4 triangles

= 6*6 + 4(1/2*6*6)  

= 36 + 4 * 18  = 108 sq cms
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19. The bases of a trapezoid are 8 and 22 and the trapezoid's area is 135. Find the height
julia-pushkina [17]

Answer: 9

Step-by-step explanation:

A=(a+b)/2 *h

135= 30/2* h

135= 15 * h

135/15= h

9=h

8 0
3 years ago
Read 2 more answers
How many labeled points are between points b and u ?
Olenka [21]

Answer:

It is difficult to give a specific answer without your scenario but maybe this may help you out a bit.

Let's say you have a line like the one attached:

I labelled certain points b and u so you can use it as a reference. Now all you need to do is count all the points that lie on the same line and are found between.

In this case it would be point d and point e because the rest of the points do not line on the same line. For this problem particular scenario, the answer would be 2.

7 0
3 years ago
Help mee!! I will give a branlist answer!!
Nutka1998 [239]
Ok so here u go
<span>Simplifying 6(2x + -11) + 15 = 21        Reorder the terms: 6(-11 + 2x) + 15 = 21 (-11 * 6 + 2x * 6) + 15 = 21 (-66 + 12x) + 15 = 21         Reorder the terms: -66 + 15 + 12x = 21       Combine like terms: -66 + 15 = -51 -51 + 12x = 21     Solving -51 + 12x = 21 Solving for variable 'x'.          Move all terms containing x to the left, all other terms to the right. Add '51' to each side of the equation. -51 + 51 + 12x = 21 + 51 Combine like terms: -51 + 51 = 0 0 + 12x = 21 + 51 12x = 21 + 51       Combine like terms: 21 + 51 = 72 12x = 72 Divide each side by '12'. x = 6 Simplifying x = 6</span>
4 0
3 years ago
How do you solve 9+ (-3)=
PSYCHO15rus [73]
The parenthesis's are only there to keep the two properties organized. The answer would be 6 since its just 9 minus 3 .
4 0
3 years ago
Ashley deposits $2000 in a savings account that pays 8% interest compounded semiannually. What is her balance after one year.
Semmy [17]

Answer:

$2163.20

Step-by-step explanation:

Formula:

AV=PV(1+\frac{i}{n})^{n*t}}\\2000(1+\frac{.08}{2})^{2*1}\\2000*1.04^2=2163.2

6 0
3 years ago
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