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2 years ago

Can someone find the perimeter of this shape? ill give brainliest if ur right

Mathematics

1 answer:

Luda [366]2 years ago

8 0

Answer:

Step-by-step explanation:

Add up all the sides to fid the perimeter. 6+6+8+4=24

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I need help with 12 and 13 please.

Cerrena [4.2K]

Just add up all the angles hope you get it right

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3 years ago

Solve for all values of x by factoring. x^2 + 4x – 30 = -3x

vichka [17]

Answer:

${x}^{2} + 4x - 30 = - 3x \\{x}^{2} + 7x - 30 = 0 \\ {x}^{2} - 3x + 10x - 30 = 0 \\ x(x - 3) + 10(x - 3) = 0 \\ (x - 3)(x + 10) = 0 \\ \boxed{x = 3} \\ \boxed{x = - 10}$

<h3>x=3 or x=-10 is the right answer.</h3>

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2 years ago

Which is the volume of the solid?

shepuryov [24]

Answer: the answer is A

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

Pixel goes shopping with one hundred dollars and ends up buying three different types of items: A, B, and C. The unit price of A

mixas84 [53]

Answer:

A - 16, B - 79, C - 5

Step-by-step explanation:

Given

A costs 5$
B costs $0.25
C costs $0.05
A + B + C = 100
5A + 0.25B + 0.05C = 100 ⇒ 100A + 5B + C = 2000

Subtract the first equation from the second:

99A + 4B = 1900

We have a restriction in numbers:

0 < A, B, C < 100

Since 4B can be max 400, we get 99A > 1500 and 99A < 1900 so:

A > 1500/99 > 15

and

A < 1900/99 < 19

A can be 16 or 18 as it should be even number to get B the whole number.

If A = 16:

99*16 + 4B = 1900
4B = 1900 - 1584
4B = 316
B = 316/4 = 79

If A = 18:

99*18 + 4B = 1900
4B = 1900 - 1782
4B = 118
B = 118/4 = 29.5, discarded as decimal

So we get:

A = 16, B = 79 and C = 100 - (16 + 79) = 5

Let's proof the numbers:

16*5 + 79*0.25 + 5*0.05 = 100, confirmed

5 0

2 years ago

Can someone please help

Artist 52 [7]

Answer: dotted

Step-by-step explanation:

4 0

3 years ago