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3 years ago

I need help with my homework can anyone help me please?

Mathematics

2 answers:

alisha [4.7K]3 years ago

7 0

Answer:

For 14 from left to right should be 11 10 10 9 8 6. For 15 is wrong because 4 people jumped 3 feet and 3 people jumped 4 feet

vladimir1956 [14]3 years ago

4 0

Number 15: Nate is wrong because there are four people who jumped three feet and there are only three people who jumped four feet. Nate probably got confused because four feet has a larger font than three feet.

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If the dimensions of a rectangular prism are 39 mm × 12 mm × 15 mm, then what is the surface area

grin007 [14]

Answer:

$\huge\boxed{SA=2466\ (mm^2)}$

Step-by-step explanation:

The formula of a Surface Area of a rectangular prisms:

$SA=2(lw+lh+wh)$

l - length

w - width

h - height

We have:

$l=39mm;\ w=12mm;\ h=15mm$

Substitute:

$SA=2\bigg((39)(12)+(39)(15)+(12)(15)\bigg)\\\\SA=2(468+585+180)\\\\SA=2(1233)\\\\SA=2466\ (mm^2)$

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3 years ago

Im to lazy for math can u help me please?

riadik2000 [5.3K]

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Step-by-step explanation:

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3 years ago

Which in is it.........

ANTONII [103]

I haven't done these problems in a really long time, so there's a chance that my answer might be wrong. I hypothesize that the correct answer is C.

8 0

3 years ago

Helpppppp plsssssssss

bekas [8.4K]

Answer:

Step-by-step explanation:

The right triangle on the right side of the figure has a height of 6 (two same sides lengths) and a base of 3.

x is the hypotenuse (side opposite of 90 degree angle).

We can use the pythagorean theorem to find x. The pythagorean theorem tells us to square each leg (height and base) of the triangle and add it. It should be equal to the hypotenuse square.

For this triangle it means, we square 6 and 3 and add it. It should be equal to x squared. Then we can solve. Shown below:

$6^2 + 3^2 = x^2\\36 + 9 = x^2\\45 = x^2\\x=\sqrt{45}$

Now we can use property of radical $\sqrt{x}\sqrt{y} =\sqrt{x*y}$ to simplify:

$x=\sqrt{45} \\x=\sqrt{5*9} \\x=\sqrt{5} \sqrt{9} \\x=3\sqrt{5}$

Correct answer is C

6 0

3 years ago

Read 2 more answers