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Galina-37 [17]
3 years ago
12

Find the unknown side length, x. Write your answer in simplest radical form.

Mathematics
1 answer:
velikii [3]3 years ago
8 0
The answer should be 16√5
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Janet was asked to use the distributive property. She noticed she was marked wrong but does not know what step she did incorrect
kenny6666 [7]

Answer:

You distribute the 2 to all numbers in the 3rd step

Step-by-step explanation:

DISTRIBUTION: you must distribute the outside number to all the inside numbers in the parentheses.

7 0
3 years ago
If x = 4y + 21y and y = 14 + 5, what is 3x × 7? No need to show your work.
podryga [215]

y = 19

x = 4(19) + 21(19) = 76 + 399 = 475

3(475) × 7

1425 × 7

9975 <--- answer.

Hope this helped!

Nate

7 0
3 years ago
Read 2 more answers
In the triangle of ABC, D is a point on AB , AC = 7, AD = 6, and BC = 18. The length of DB could be
Ray Of Light [21]

Answer:

19 > DB > 5

Step-by-step explanation:

In a triangle Δ ABC, AC = 7, and BC = 18.

Therefore, the length of the third side of the triangle Δ ABC i.e. length of AB can have a maximum value of < (7 + 18) i.e. 25 and the minimum value of the length AB will be > (18 - 7) i.e. 11

Hence, the length of AB will be given by 25 > AB > 11.

Now, AB = AD + DB = 6 + DB {Since length of AD is given to be 6}

Therefore, 25 > 6 + DB > 11

⇒ 19 > DB > 5 (Answer)

8 0
3 years ago
Multiply (2x^2-3x+5)(x^2+4x+1)
DochEvi [55]

Answer:

2x^2-12x+5

Step-by-step explanation:

(2x^2-3x+5)(x^2+4x+1)\\(2x^2-12x+5)

3 0
3 years ago
pls help, i need to write an essay explaining what the difference is between finding the volume and total surface of a shape
Vinil7 [7]

Answer:

The surface area applies to how much space a SOLID objects occupies while volume is  the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains, so volume can be anything.

Step-by-step explanation:

you can't really write an essay-

8 0
3 years ago
Read 2 more answers
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