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ziro4ka [17]
3 years ago
5

I need help , can someone help me

Mathematics
1 answer:
spayn [35]3 years ago
8 0

Answer:   C.   4:1

If we double all the lengths, the area increase by a factor of 2².

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What is the volume of this square pyramid?
tatuchka [14]

Answer: 1296 cm³

Step-by-step explanation:

Since, the volume of a square pyramid is,

V = \frac{a^2h}{3}

Where a = side of the square base,

h = height of the pyramid,

By the given diagram,

a = 18 cm,

h = 12 cm,

Hence, the volume of the given pyramid,

V = \frac{18^2\times 12}{3}

= \frac{324\times 12}{3}

=\frac{3888}{3}

=1296 cube cm.

⇒ First option is correct.

5 0
3 years ago
If g(x) = 2x + 4, find g(1).
JulijaS [17]
G(1) = 2(1) + 4 = 6
g(1) = 6
6 0
3 years ago
If x = 4 units, y = 5 units, and h = 4 units, find the area of the rhombus shown above using decomposition.
QveST [7]
A. 36 square units
(Please tell me if I’m right in the comments)
Have a wonderful day!
4 0
2 years ago
Pls help :Find the missing side or angle.<br> Round to the nearest tenth.
Nitella [24]

Answer:

C° = 71.6056

Step-by-step explanation:

Law of Cosines: c² = a² + b² - 2abcosC°

Step 1: Plug in known variables

29² = 30² + 15² - 2(30)(15)cosC°

Step 2: Evaluate

841 = 900 + 225 - 900cosC°

-59 = 225 - 900cosC°

-284 = -900cosC°

71/225 = cosC°

cos⁻¹(71/225) = C°

C° = 71.6056

And we have our answer!

7 0
2 years ago
Read 2 more answers
Which graph represents the solution to the given system? <br> y = -2x + 5 and y = 3x - 2
sasho [114]
To find the X value of the solution, you would set the two equations equal to each other bu substitution:
if <span>y = -2x + 5 and y = 3x - 2, 
</span>-2x + 5 must be equal to 3x - 2
solve for x... you should get 7/5

then, plug that into one of the original equations as X and you would get the Y value, 11/5

This point, (7/5,11/5) is where the two lines cross
3 0
2 years ago
Read 2 more answers
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