A reflection across the x-axis would mean that only the x value of the point would change. This means that the y value would still be 4. To find the x value, just flip it to a negative. The negative of 3 is -3

5 0

3 years ago

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476 Marks<br> boole<br> Calculate the area of this triangle.<br> 17 cm<br> 8 cm<br> 15 cm

Naddika [18.5K]

Answer:

Step-by-step explanation:

sides =8 cm, 17 cm and 15 cm

Area of triangle by Hero's Formula,

S=a+b+c/2

S=17+8+15/2

S=40/2

S=20

A= $\sqrt{s(s-a)(s-b)(s-c)}$

A= $\sqrt{20(20-17)(20-8)(20-15)}$

A= $\sqrt{(20)(3)(12)(5)}$

A= $\sqrt{3600}$

A=60 $cm^{2}$

4 0

3 years ago

The selling price for a classic speedboat is $16,000, which is $500 more than two times its original price. What was the origina

lbvjy [14]

$7,750 is the answer :)

3 0

3 years ago

What is 0.8 as a fraction???? Plz answer is u r right I’ll give u brainliest!!!!

const2013 [10]

<h2> $\red { \orange {\boxed {\boxed{Answer}}}}$ </h2><h2> $= 0.8$ </h2><h2> $= \frac{8}{10}$ </h2><h2> $= \frac{8 \div 2}{10 \div 2}$ </h2><h2> $= \frac{4}{5}$ </h2>

#IfWrongPleaseReport

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#ILoveMath

8 0

3 years ago

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