3 years ago

Please help geometry

Mathematics

2 answers:

ValentinkaMS [17]3 years ago

8 0

Area of triangle = 1/2 b h
here b = z and h = w

so
A = 1/2 zw

answer is
A. 1/2 zw

Cloud [144]3 years ago

6 0

Your answer is A Since Z is width and W is height

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0.25x + 30.00 = 59.50

Anestetic [448]

The answer would be x=118.

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3 years ago

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Solve the following system. x2 + y 2= 25 2x + y = 10 The solution set

anzhelika [568]

Answer: {(5,0), (3,4)}

Step-by-step explanation:

You can apply the Substitution method:

- Solve for y from the second equation.

- Substitute into the first equation and solve for x.

Then:

$y=10-2x$

$x^2+y^2=25\\x^2+(10-2x)^2=25\\$

(Remember that: $(a\±b)^2=a^2\±2ab+b^2$ )

$x^2+(10^2-2(10)(2x)+(2x)^2)=25\\x^2+100-40x+4x^2=25\\5x^2-40x+75=0\\x^2-8x+15=0\\(x-5)(x-3)=0\\\\x=5\\x=3$

Substitute the values obtained into one of the original equation and solve for y:

$2(5)+y=10\\10+y=10\\y=0\\\\2(3)+y=10\\6+y=10\\y=4$

The solution set is: {(5,0), (3,4)}

8 0

3 years ago

300 is 60% of what number?

abruzzese [7]

Answer:

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Step-by-step explanation:

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3 years ago

PLease help!!

weqwewe [10]

√45 + √125

= 3√5 + 5√5

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Answer is C.

Hope it helps!

6 0

3 years ago

BRAINLIEST IF CORRECT

erik [133]

Answer:

$100000$

Step-by-step explanation:

$10^{5}$ means $10$ multiplied by itself by $5$ times.

$10^5 = 100000$

Hope this helps :)

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3 years ago

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