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blondinia [14]
3 years ago
13

Question 1 options:

Mathematics
1 answer:
OLEGan [10]3 years ago
5 0

Answer:

4000 m^{3}

Step-by-step explanation:

V = 1/3(Bh)  where B is the area of the base and h is the height of the pyramid

B = 20(20) = 400      h = 30

V = 1/3(400)(30) = 4000 m^{3}

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Plsss help me with this question!! Will mark best answer brainiest!!
timofeeve [1]

Answer:

45

Step-by-step explanation:

45+45=90

ABE = 90 degrees

So if ABE is 90 degrees, then ABE (90) minus DBE(45) = ABD(45 degrees)

Hope you have a great day friend! <3

6 0
3 years ago
The area of a circle is pi(9x2 + 6x + 1) square cm. Find an expression for the length of the circles radius
Ainat [17]

Answer:

r = 3x + 1

Step-by-step explanation:

The area (A) of a circle is calculated as

A = πr² ( r is the radius )

Here

πr² = π(9x² + 6x + 1) ← divide both sides by π

r² = 9x² + 6x + 1 ← perfect square

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8 0
3 years ago
Is this a linear y=2x-8
hoa [83]

Answer:

Yes, it's linear.

Step-by-step explanation:

As long as it follows Y = a + bx (It's commutative so you can swap the order)

(Note: It's not squared, square rooted, etc.)

4 0
3 years ago
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ANSWER QUICKLEY PLEASEE 10 g of salt is dissolved in water. The mass of the salt water solution is 85 g. What was the mass of th
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Answer:

The answer is B because the salt is 10 grams

Step-by-step explanation:

6 0
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10. Consider the diagram below. First, solve for x, then y.
Vlad [161]
The value of x is 38 and y is 40
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