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2 years ago

6

Louis needs to secure his tent.He will use a rope to go down the edge of the tent, straight out to a post and back to the starti

ng think fastener,as shown

1 answer:

tester [92]2 years ago

4 0

Answer:

i need help

Step-by-step explanation:

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How to work -1x-2y=-13 x-2y=11 equation by substitution

Norma-Jean [14]

Well if you're wanting to use substitution, you first have to end up with one term on either side of the equation. Use the second one as it's easiest.

So: x-2y=11, so find -2y as there is a -2y in the first equation.
then that becomes -2y=11-x. then sub that into equation 1, and you get:

-x+11-x=-13, which equals to -2x+11=-13, which is -2x=-24, so therefore

x=12. then chuck the x into any of the equations to find what y equals.

hope this helps!

5 0

3 years ago

BC = Round your answer to the nearest hundredth

stich3 [128]

What am I’m supposed to be looking at

3 0

3 years ago

Find surface area of this regular pyramid

liq [111]

Answer:

189 ft²

Step-by-step explanation:

Here is the formula...

1/2 * 6 * 36 + 81

Hope this helps

7 0

3 years ago

Which expression is equivalent to...

torisob [31]

Answer:

$x^{\frac{2}{7} } y^{-\frac{3}{5} } \\$ i.e answer A.

Step-by-step explanation:

This question involves knowing the following power/exponent rule:

$\sqrt[n]{x^m} = x^\frac{m}{n} \\\\so \sqrt[7]{x^2} = x^\frac{2}{7} \\\\and \\\\ \sqrt[5]{y^3} = y^\frac{3}{5} \\$

Next, when a power is on the bottom of a fraction, if we want to move it to the top, this makes the power become negative.

so the y-term, when moved to the top of the fraction, becomes:

$y^{-\frac{3}{5} } \\$

So the answer is: $x^{\frac{2}{7} } y^{-\frac{3}{5} } \\$

7 0

3 years ago

Krystal hiked 109 miles last year. Tanji hiked 12 times as many miles as Krystal. How many miles did Tanji hike last year

lapo4ka [179]

Answer:

1308

Step-by-step explanation:

109 x12

8 0

3 years ago