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Sphinxa [80]
3 years ago
11

Joseph says that the product of a four digit number and a 1 digit number is always a four digit number does Joe didn't make sens

e
Mathematics
1 answer:
mamaluj [8]3 years ago
8 0
The answer is no. Not always.
There are times that the 4 digit number will involve carrying and it will be resulted into 5 digit number.
For example:
9 999 x 9, where 9 999 is a 4 digit number and 9 is a 1 digit number.
When you multiply this one, the answer will be 5 digit number.
9 999
x     9
=> 89 991, thus Joseph's statement does not apply to all multiplication process because  not all 4 digit number multiplied with 1 digit number will result to 4 digit.

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If 270°<θ<360°, and tan⁡ θ= - 1/2, what is the value of tan⁡(−θ)?
stiv31 [10]

Check the picture below.

let's recall that once we move an angle in the opposite direction of the 0-line or x-axis, we end up with a negative counterpart angle.

since we know that θ is on the IV Quadrant, then its negative counterpart must be across the line, and tangent is negative on the IV Quadrant, and positive on the I Quadrant.

4 0
4 years ago
Help!! I cant figure this out for some reason
Thepotemich [5.8K]

Answer:

x³ - 6x² + 18x - 10

Step-by-step explanation:

(f - g)(x) = f(x) - g(x)

= x³ - 2x² + 12x - 6 - (4x² - 6x + 4)

= x³ - 2x² + 12x - 6 - 4x² + 6x - 4 ← collect like terms

= x³ - 6x² + 18x - 10

6 0
3 years ago
4) Crystal wants to buy the newest iPhone XS Max that costs $1200.
irina1246 [14]

Answer:

8.75%

Step-by-step explanation:

If she pays $135 eight times then she pays a total of 135 x 8 = $1080.

She had a down payment of $225, so that added on becomes $1305.

1305/1200 is 1.0875, which is an increase of 0.0875 over the original.

0.0875 x 100 = 8.75% increase.

4 0
3 years ago
Which statement is true about point F? a.F is the midpoint of AA' because bisects AA'. b.F is the midpoint of EG because AA' bis
Dimas [21]

Answer:

The correct option is;

a. F is the midpoint of \overline{AA'} because line \overline{EG} bisects \overline{AA'}

Step-by-step explanation:

Here, since we have that the triangle is reflected across EG therefore the location of the point F which is along EG bisects the line \overline{AA'} as the  dimensions of the line from A to F must be equal to the dimension of the line that extends from A' to F

Therefore the point F is the midpoint of \overline{AA'} because line \overline{EG} bisects \overline{AA'}.

7 0
3 years ago
If the side length is increased by a factor of 3, how much larger is the perimeter of a face of the new cube?
Luden [163]
The <span>perimeter of a face of the new cube is 8 times larger than the previous cube.
</span>Let us say, the side of cube before increase is "a"
Then perimeter of the cube = 12a ,

because the cube has 12 sides.
And perimeter of a face of cube = 4a
Now, the side length is increased by factor of 3 i.e. new side is 3a
Thus, perimeter of new face of the cube = 4*3a = 12a

Therefore, the new perimeter is larger by = 12a - 4a = 8a 
6 0
4 years ago
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