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makvit [3.9K]
3 years ago
14

Explain why the expression 7x + 5 cannot be factored.

Mathematics
2 answers:
TEA [102]3 years ago
5 0
Because 7x have various beside it and 5 is the constant which you cannot add or multiple them together
guajiro [1.7K]3 years ago
3 0
7 Is a prime factor and ther for it can't be factored to 5 not to mention you dont know what x equals <[( not sure if im right I do know this is a vague answer hopes it helps some what)]>
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The list shows the number of stories in the 11 tallest buildings
Bogdan [553]

answer: mode:40 med:30

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3 years ago
Triangle ABC with vertices A (-1, 4), B( -4, 1), and C(-1, 1) is reflected across the y-axis and then translated 4 units to the
Anna71 [15]

Given:

Triangle ABC with vertices A (-1, 4), B( -4, 1), and C(-1, 1) is reflected across the y-axis and then translated 4 units to the left to form triangle A’B’C’.

To find:

The coordinates of the vertices of triangle A’B’C’.

Solution:

If triangle ABC reflected across y-axis, then

(x,y)\to (-x,y)

A(-1,4)\to A_1(1,4)

B(-4,1)\to B_1(4,1)

C(-1,1)\to C_1(1,1)

Coordinates of image after reflection across y-axis are A_1(1,4),B_1(4,1),C_1(1,1).

Then triangle translated 4 units to the left to form triangle A’B’C’.

(x,y)\to (x-4,y)

A_1(1,4)\to A'(-3,4)

B_1(4,1)\to B'(0,1)

C_1(1,1)\to C'(-3,1)

Therefore, the vertices of triangle A’B’C’ are A’ (-3, 4), B’ (0, 1), C’ (-3, 1).

Hence, the correct option is B.

6 0
3 years ago
3a+7+2(3+a) simpilify
Vladimir [108]

Answer: The answer is 5a+13

Step-by-step explanation:

6 0
3 years ago
What does p equal 16-3p=2/3p+5
il63 [147K]

16-3p=2/3p+5

add 3p to each side

16 = 3 2/3 p +5

subtract 5

11 = 3 2/3 p

change to an improper fraction

11 = (3*3+2)/3 p

11 = 11/3 p

multiply by 3/11 on each side

11 * 3/11 = 3/11 * 11/3 p

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7 0
3 years ago
A rectangular prism has a length of 7 cm, a width of 4 cm, and a height of 2 1/2cm.
Anika [276]

Answer:

560 cubes

Step-by-step explanation:

Volume of prism: lwh, 7*4*2.5, 70cm!

Volume of cubes: lwh, 0.5*0.5*0.5, 0.125cm!

70cm/0.125cm=560 cubes.

3 0
3 years ago
Read 2 more answers
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