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2 years ago

Which statement is true about the polynomial 3x2y2 − 5xy2 − 3x2y2 + 2x2 after it has been fully simplified?

Mathematics

1 answer:

lorasvet [3.4K]2 years ago

7 0

Answer: Varies

Step-by-step explanation:

There would still be some Xs and Ys.

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In ΔSTU, the measure of ∠U=90°, ST = 9.7 feet, and US = 4 feet. Find the measure of ∠T to the nearest degree.

BaLLatris [955]

Answer:

Around 24 degrees

Step-by-step explanation:

*Make sure calculator is on degree mode*

Try to draw out triangle--it helps

Need to use law of sines... this is where an angle and the side that opposes it are equal to each other. For example, Angle U is equal to 9.7

$\frac{sin\alpha }{4} = \frac{sin90}{9.7}$

Multiply 4 and sin90 and then divide the product by 9.7

Use $sin^{-1}$ on calculator to convert the answer into degrees

5 0

3 years ago

The slant height is used to find the volume of a square pyramid. true or false

alexandr1967 [171]

The answer is false.

For a square pyramid, the volume is calculated by 1/3*B*h. The height should touch the tip and lie perpendicular to the base. Slant height is used for surface area, not volume.

5 0

3 years ago

Number of Gallons 2 4 x

Travka [436]

Answer:

The value of x is 8 gallon.

Step-by-step explanation:

Given a table showing approximate conversion from gallons to liters.

Number of Gallons 2 4 x

Number of Liters 7.6 15.2 30.4

We are required to find value of x,

Given : 2 gallon is equal to 7.6 liters.

⇒ 1 liter is equal to $\frac{2}{7.6}=0.263$ liters. ........(1)

given, x gallon equal to 30.4 liters.

⇒ 1 liter is equal to $\frac{x}{30.4}$ liters. .........(2)

from (1) and (2),

⇒ $0.263=\frac{x}{30.4}$

Solving for x, we get,

⇒ $0.263 \times 30.4=x$

⇒ $7.9952=x$

Approximately x = 8

Thus, the value of x is 8 gallon.

8 0

3 years ago

A number pattern starts with 10 and follows the rule multiply by 3 What is true

lesya692 [45]

Answer:

B) They have a 0 in the ones place.

Step-by-step explanation:

Given

Number pattern that starts with 10.

Rule: Multiply by 3

Required

Select which statement is truth of the pattern.

First, the pattern needs to be listed out.

Given that the pattern starts from 10 and progresses by multiplying current term by 3.

The pattern is as follows;

10, 30, 90, 270, 810, 2430, 7290, .....

By comparing the given options with the above pattern of numbers. We have:

A) They are odd numbers.

This statement is false because the above pattern of numbers are all even and can never be odd

B) They have a 0 in the ones place.

This statement is truth because all the numbers in the above progression ends in 0. This 0 represents the unit of one's place.

Hence, this statement is truth.

C) They have a 3 in the tens place.

This statement is false;

This is so because they have different digits at tens place. The tens place is the digit prior to the last digit of each number.

D) They can be odd or ever numbers.

As pointed out in (A) above, the number can only be even number because the progression starts with an even number (10) and irrespective of what it's been multiplied by, it'll always remain an even number.

Hence,

Only option B is correct/truth.

Others are incorrect

3 0

4 years ago

I really need this . Someone please help . Is it abc or d

prisoha [69]

Answer:

Step-by-step explanation:

lets start off by looking at point A (1,1)

4 units to the right is along the x-axis, so the x-coordinate would be 5 (1 + 4)

2 units up is on the y-axis, so the y-coordinate would be 3 (1 + 2)

A is now (5,3). we can eliminate choices A, C, and D as they each have negative numbers in them, and we are moving in the positive direction, not the negative.

the answer is B

7 0

3 years ago