2 years ago

Can someone help me with this pls

Mathematics

1 answer:

Makovka662 [10]2 years ago

8 0

Answer:

3.C

4.D

5.C..........m

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I need help with number 5

Tju [1.3M]

Answer:

B. BD = 9

Step-by-step explanation:

Simply set the 2 equations equal to each other (both are congruent due to perpendicular bisector):

6x + 3 = 3x = 6

3x + 3 = 6

3x = 3

x = 1

Then substitute 1 for <em>x</em> in BD

6(1) + 3

6 + 3

BD = 9

7 0

3 years ago

Read 2 more answers

What number equals 2 4/5?<br> O 0.28<br> O 0.357<br> O 2.45<br> O 2.8

Travka [436]

I think its 2.8.

Reason why:

4/5 = 0.8

Then the 2 would a whole number...

so 2.8.

5 0

3 years ago

What is the length of the hypotenuse, x, if (20,21,x) is a Pythagorean triple?

Sophie [7]

Answer:

Step-by-step explanation:

$(20,21,x) \\Pythagoras -Theorem =\\a^2+b^2 = c^2\\\\20^2 + 21^2 = x^2\\400 + 441 = x^2\\841 = x^2\\Square -root-both-sides\\\sqrt{841} = \sqrt{x^2} \\29 = x\\\\x = 29$

6 0

3 years ago

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In one day, a store sold 3/5 with as many DVDs as Blu-ray Discs. The total number of DVDs and Blu-ray disc sold that day was 472

never [62]

You multiply 3/5 to 472 and the answer will be 283.2

8 0

3 years ago

Please help with 7 :))

Maru [420]

What Is Your. Answer

3 0

3 years ago

Can someone help me with this pls​

Can someone help me with this pls