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worty [1.4K]
4 years ago
5

2. Find the distance between M(1,-2) and N (9, 13).

Mathematics
1 answer:
hammer [34]4 years ago
4 0

Good evening ,

Answer:

<h2>17</h2>

Step-by-step explanation:

Look at the photo below for the details.

:)

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Juan has twice as much money as Blanca, Blanca has 1/5 as much as Ronaldo. Together, they have $500. How much money does Juan ha
PolarNik [594]
Ronaldo has five times blancas amount
Juan has twice the amount
Plus blancas one times her amount that is 8 time blances amount. If Blanca has 1/8 of 500 then Juan has 1/4 and 1/4 of 500 is 125
3 0
3 years ago
-2m=6<br> Solve the equation using full working out
storchak [24]

Answer:

m = -3

Step-by-step explanation:

-2m=6

Divide both sides by (-2).

m = 6 ÷ (-2)

m = -3

7 0
3 years ago
In triangle abc, m of acb = 90, cd is perpendicular to ab , m of acd is 60. and bd is 5 cm. find ad
weeeeeb [17]

Let us draw a picture to make the things more clear.

Attached is the image.

We have been given that

\angle acd = 60 ^{\circ}

Therefore, we have

\angle dcb =90- 60= 30 ^{\circ}

Now, in triangle bcd, we have

\tan30 = \frac{5}{cd}\\&#10;\\&#10;\frac{1}{\sqrt 3}=\frac{5}{cd}\\&#10;\\&#10;cd=5\sqrt 3

Now, in triangle acb, we have

tan 60 = \frac{ad}{5\sqrt3} \\&#10;\\&#10;\sqrt 3=  \frac{ad}{5\sqrt3}\\&#10;\\&#10;ad= 5\sqrt3 \times \sqrt 3\\&#10;\\&#10;ad= 5\times 3\\&#10;\\&#10;ad=15

Thus, ad is 15 cm.


4 0
3 years ago
Can someone help me with this question? I seem to be getting a negative answer every time :(
NeX [460]

Substitute 4 for y. Then -3x^2 + 16 = 52.

Solve for x. Subtract 16 from both sides, obtaining -3x^2 = 36.

Divide both sides by -3, obtaining x^2 = -12. This last result makes no sense, as no square of a real number could be negative. Probably this is where you're ":getting a negative answer."

If imaginary answers were allowed, then x = i*√12 = i*2√3 or x = -i*2√3.


x =

8 0
3 years ago
Read 2 more answers
24. DESS SENSE-MAKING Two times the least of three consecutive odd integers exceeds
lilavasa [31]

Answer:

-27, -25, -23

Step-by-step explanation:

Let the three consecutive odd integers be:

First integer = a

Second integer = a + 2

Third integer = a + 4

Two times the least integer = 15 + three times the greatest

2a = 3(a + 4) + 15

2a = 3a + 12 + 15

2a - 3a = 27

a = -27

So the first integer is -27, the second integer is -25 and the third integer is -23.

5 0
3 years ago
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