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3 years ago

Select the correct triangles Identify the triangles that are right triangles

Mathematics

2 answers:

jarptica [38.1K]3 years ago

8 0

Answer:

1st and 4th are the right triangles

VLD [36.1K]3 years ago

4 0

Answer: The first and last triangles

Hope this helped! ;)

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The perimeter of a rectangle is 202. The length is 26 more than 4 times the width. Find the dimensions

jek_recluse [69]

Answer:

$P = 2*(26+4y) + 4y$

And if we solve for y we got:

$202= 52 +8y +4y$

$202= 52 +12 y$

And replacing we got:

$150 = 12y$

And we got:

$y = \frac{150}{12}= 12.5$

And for x we got:

$x = 26 +4*12.5 = 76$

So then the length would be 76 and the width we got 12.5

Step-by-step explanation:

For this case we have a rectangle. The perimeter is given by:

$P= 2x+2y$

Where x represent the length and y the the width. We can set the following conditions:

$x = 26 +4y$

And if we replace the conditions we got:

$P = 2*(26+4y) + 4y$

And if we solve for y we got:

$202= 52 +8y +4y$

$202= 52 +12 y$

And replacing we got:

$150 = 12y$

And we got:

$y = \frac{150}{12}= 12.5$

And for x we got:

$x = 26 +4*12.5 = 76$

So then the length would be 76 and the width we got 12.5

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4 years ago

A scientist asked four of her dentist friends if they thought the new Brand X sugar-free gum that she developed was effective.T

tiny-mole [99]

Answer:

the answer is c

Step-by-step explanation:

while four dentists were asked, and three recommended it, those 4 do not speak for the thousands of dentists out there, with a larger pool it may be proven, but the 4 dentists do not speak on behalf of all dentists.

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3 years ago

Francisco had a rectangular piece of wrapping paper that was 14 1/3 inches on two sides and 19 inches on the longer sides. Monic

mina [271]

Answer: B

Step-by-step explanation: the similar paper appears to be 2 times larger then Fransicos since 38/19=2, so I did 14 1/3*2 which equals 28 2/3, so the answer is B

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3 years ago

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guapka [62]

Answer:

$f(x) = 4x + 3 \,,\,\,\,g(x) = 7x-6\\(f/g)(x)=\frac{4x+3}{7x-6}\,,\,\,\,7x-6\neq0\implies x\neq \frac{6}{7}\\\mbox{Domain:}\,\,\,x\in(-\infty,\frac{6}{7}) \cup (\frac{6}{7},+\infty)$

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3 years ago

Sam is baking 10 pies for a school bake sale. He uses 21 cups of apples for 6 pies. How many cups of apples will he need to make

sertanlavr [38]

Answer:

Step-by-step explanation:

6 pies = 21 cups of apples

1 pie = 3.5 cups of apples

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3 years ago