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4 years ago

6

I had $5 my mom gave me $10 while my dad gave me $30, my Aunt and Uncle gave me $100, I had another $5.00 How much money did I r

eally have?

2 answers:

Misha Larkins [42]4 years ago

3 0

Answer: By yourself you only had the $10, but if your looking for the added up number its $250. I think I hope this helps:)

jasenka [17]4 years ago

3 0

$45 is the correct answer

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What’s the supplement of 28.5

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28.5+x=180
x=151.5

Final answer: 151.5

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4 years ago

Which expression has a pair of like terms?

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4 years ago

Find the real zeros 4x²-16x + 2.5x

Lapatulllka [165]

I am going to assume 2.5x is really 25x (typo).

First formulate the equality

$4x^2-16x+25x=0 \\4x^2+9x=0 \\x(4x+9)=0 \\$

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8 0

3 years ago

in the figure below trianglePQM and triangleQRP are right triangles. the measure of lineQM is 6 and the measure of lineQP is 8.

Kipish [7]

Answer:

Option 4 is correct. The length of PR is 6.4 units.

Step-by-step explanation:

From the given figure it is noticed that the triangle PQR and triangle MQR.

Let the length of PR be x.

Pythagoras formula

$hypotenuse^2=base^2+perpendicular^2$

Use pythagoras formula for triangle PQM.

$PM^2=QM^2+PQ^2$

$PM^2=(6)^2+(8)^2$

$PM^2=36+64$

$PM^2=100$

$PM=10$

The value of PM is 10. The length of PR is x, so the length of MR is (10-x).

Use pythagoras formula for triangle PQR.

$PQ^2=QR^2+PR^2$

$(8)^2=QR^2+x^2$

$64-x^2=QR^2$ .....(1)

Use pythagoras formula for triangle MQR.

$MQ^2=QR^2+MR^2$

$(6)^2=QR^2+(10-x)^2$

$36=QR^2+x^2-20x+100$

$36-x^2+20x-100=QR^2$ .... (2)

From equation (1) and (2) we get

$36-x^2+20x-100=64-x^2$

$20x-64=64$

$20x=128$

$x=6.4$

Therefore length of PR is 6.4 units and option 4 is correct.

3 0

3 years ago