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MrMuchimi
3 years ago
11

Plz help plz help me​

Mathematics
2 answers:
dmitriy555 [2]3 years ago
7 0
I believe it is D but no promises
storchak [24]3 years ago
3 0
Im pretty sure its d
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An architect planned to construct two similar stone pyramid structures in a park. The
Bad White [126]

Answer:

1. Change the length of side AB to 2 feet

Step-by-step explanation:

Since both stone pyramid structures are to be similar, the ratio of their corresponding side lengths must be equal. That is:

\frac{PR}{AC} = \frac{PQ}{AB} = \frac{RQ}{CB}

Since it is said there was an error in side AB, let's assume AB is unknown.

Use the following to find the length of side AB that would be used if she is to make the correction:

\frac{PR}{AC} = \frac{PQ}{AB}

PR = 7.5

AC = 2.5

PQ = 6

AB = x

Plug in the values

\frac{7.5}{2.5} = \frac{6}{x}

Cross multiply

7.5*x = 6*2.5

7.5x = 15

Divide both sides by 7.5

x = \frac{15}{7.5}

x = 2

AB = x = 2

Therefore, she should change the length of side AB to 2 feet.

6 0
3 years ago
What is 34.77 x 10^4
stira [4]
The answer is 347700 hope this helped
4 0
3 years ago
Write a polynomial expression that has the following characteristics: The polynomial expression is a trinomial. The polynomial e
Alexeev081 [22]

Answer:

{ - 5.6}xy ^{2}  + yx + 2x

5 0
3 years ago
What is f(3) if f(x) = 2x + 1?
Vlad [161]

Answer:f= 2/3x+1/3

Step-by-step explanation:

divide both sides by 3 to get the answer

7 0
3 years ago
a tree increases in diameter each year by .51 cm. If the tree currently has a diameter of 4 inches, how old is the tree
yan [13]
This one is a little tricky because of the conversion but .51 cm converts to roughly .2 inches (actually its .200787 but we will round to .2 for ease of math).  4 in/.2in = 20

Therefore the tree is 20 years old.

Footnote 1cm is equal to .3937 inches so it would be .51cm * .3937in = .200787in
8 0
3 years ago
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