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3 years ago

Khalif is sawing boards to make a deck. What is the area of the deck?

Mathematics

2 answers:

Illusion [34]3 years ago

7 0

Answer:

its C just took my quiz

Step-by-step explanation:

svet-max [94.6K]3 years ago

3 0

Answer:

I'm pretty sure it's c if not I'm sorry

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Someone help me please !!!

KIM [24]

Answer:

1. 10

2. 12

3. Sqrt 130

4. Sqrt 45

Step-by-step explanation:

To find the missing side of a right triangle, use the Pythagorean Theorem. The Pythagorean Theorem is $a^2+b^2=c^2$ where a and b are the legs with a being the smallest and c is the hypotenuse.

1. a=6, b=8, c=?

$6^2+8^2=c^2\\36+64=c^2\\100=c^2\\10=c$

2. a=5, b=?, c=13

$5^2+b^2=13^2\\25+b^2=169\\169-25=b^2\\144=b^2\\12=b$

3. a=7, b=9, c=?

$7^2+9^2=c^2\\49+81=c^2\\130=c^2\\\sqrt{130}=c$

4. a=2, b=?, c=7

$2^2+b^2=7^2\\4+b^2=49\\49-4=b^2\\45=b^2\\\sqrt{45}=b$

5 0

3 years ago

Joel is using the two data points closest to the line to determine the equation of the regression line. What should Joel find fo

pav-90 [236]

3 4 is the answer tos thi

7 0

3 years ago

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What 78 divide by 858 do yall know

BaLLatris [955]

0.0909090909 Is the answer my friend plz mark brainliest

7 0

3 years ago

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Roger bring 4 cakes for desert to the community potluck feast and powwow. His son brings 2 individual servings of dessert. Altog

TiliK225 [7]

$y=\frac{x-2}{4}$
$x=$ the # of people at the feast
$y=$ the # of pieces the cake must be cut

$\frac{34-2}{4} = \frac{32}{4} = 8$

8 0

3 years ago

Factorise 4x^2-y^2 please help

kotegsom [21]

Answer:

(2x + y)(2x - y)

Step-by-step explanation:

1. Simplify the square 4x²:

(2x)² - y²

2. Apple the difference of two squares formula <em>x² - y² = (x + y)(x - y)</em>:

(2x + y)(2x - y)

hope this helps!

8 0

2 years ago