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2 years ago

PLLLEEEAAASSSEEEE IT IS URGENT I NEED ANSWERS TO NO 17 FAST !!!!! PLZ I WILL MARK BRAINLIEST

Mathematics

2 answers:

Alekssandra [29.7K]2 years ago

5 0

Answer:

I have solved your question and your answer is 160. hope it helps:)

Alla [95]2 years ago

4 0

Answer:

its A

Step-by-step explanation:

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Solve the equation using the quadratic formula : x^2-10x+25=18

Sever21 [200]

$x^2-10x+25=18 \\ \\x^2-10x+25-18 = 0\\ \\ x^2-10x+ 7 =0 \\ \\a=1 , b = -10 , c= 7 \\ \\ \Delta = b^{2}-4ac = (-10)^{2}-4*1*7=100-28 = 72 \\ \\\sqrt{\Delta }=\sqrt{72}= \sqrt{2*36} =\sqrt{36}*\sqrt{2} =6\sqrt{2}$

$x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{10- 6\sqrt{2}}{2}=\frac{2(5-3\sqrt{2})}{2}= 5-3\sqrt{2}\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{10+ 6\sqrt{2}}{2}=\frac{2(5+3\sqrt{2})}{2}= 5+3\sqrt{2}$

$Answer : \ x= 5-3\sqrt{2} \ \ or \ \ x = 5+3\sqrt{2}$

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3 years ago

Quetion to represent each problem the sum of 15 and six times a number tea is 80 One what is the number

andrew-mc [135]

Answer: 11

Step-by-step explanation: The sum of 15 and six times t will be 15 + 6t = 81.

Now, you subtract 15 from both sides to isolate the constants from the variables on the left side and on the other side and you will end up with 6t = 66. Then, you divide 6 from both sides to finally isolate the numbers from the variable and 66 divided by 6 would equal 11

Hope this Helps :)

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3 years ago

The measurements of a triangle are given. Is there exactly one triangle that can be formed using the given measurements? If so,

NARA [144]

no, more than one triangle could be made with these measures

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6 0

2 years ago

HELP ME ASAP WORTH BRAINLEST

arlik [135]

Footprints and trails

7 0

3 years ago

Jake performed an experiment to find out which type of chocolate melts the fastest, milk chocolate or dark chocolate. He tested

lutik1710 [3]

Answer:

Please see attached image for full question

"After 64 seconds, ABOUT HALF of the brands of milk chocolate are LIKELY to melt and NONE of the brands of Dark Chocolate are likely to melt"

Step-by-step explanation:

The right answer is

"After 64 seconds, ABOUT HALF of the brands of milk chocolate are LIKELY to melt and NONE of the brands of Dark Chocolate are likely to melt"

We can easily check this solution by seeing the time it took for each chocolate to melt in the attached picture.

After 64 seconds have passed, half of the brands of milk chocolate had already melted, but the dark chocolate time starts after 200s

4 0

3 years ago

PLLLEEEAAASSSEEEE IT IS URGENT I NEED ANSWERS TO NO 17 FAST !!!!! PLZ I WILL MARK BRAINLIEST​

PLLLEEEAAASSSEEEE IT IS URGENT I NEED ANSWERS TO NO 17 FAST !!!!! PLZ I WILL MARK BRAINLIEST