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3 years ago

WILL MARK BRAINLIEST IF CORRECT

Mathematics

2 answers:

icang [17]3 years ago

6 0

Answer:

it is actually 70

Step-by-step explanation:

SSSSS [86.1K]3 years ago

5 0

Answer:

Step-by-step explanation:

x + ( x + 2 ) + ( x + 4 ) = 210

3x + 6 = 210

3x = 204

x = 68

Remember that x is the smallest, so we have to add 4 to 68 to get the largest of the 3 consecutive even integers: 68 + 4 = 72.

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Daisy has a marble collection in her room the ratio of blue marbles to red marbles are 4 : 7 if she has 24 blue marbles how many

Masteriza [31]

Answer:

The answer is 24:42

Step-by-step explanation:

All you have to do is multiply 7 by 6 because for every red marbles there are 6 marbles.

Hopes this helps!!

4 0

2 years ago

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Find the intervals over which the function is increasing. I think it's B which is (-oo,-1),(-1,0) but want to make sure

Butoxors [25]

That looks correct. If your graph let's you scroll upward, double check to see if the line crosses 1 on the x axis. as long as it never touches x=1, you answer is correct

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2 years ago

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svet-max [94.6K]

Answer:

The polygon has 9 sides

Step-by-step explanation:

we know that

A regular polygon has equal length sides and equal interior angles

step 1

Find the measure of the interior angle

Remember that

The interior angle plus the exterior angle must be equal to 180 degrees (form a linear pair)

Let

x ----> the measure of each interior angle in the regular polygon

$x+40^o=180^o$

solve for x

$x=180^o-40^o=140^o$

step 2

Find the number of sides of the regular polygon

we know that

The measure of each interior angle in a regular polygon is given by the formula

$x=\frac{(n-2)180^o}{n}$

where

n is the number of sides of the polygon

substitute the given values

$140^o=\frac{(n-2)180^o}{n}$

solve for n

$140n=180n-360\\180n-140n=360\\40n=360\\n=9\ sides$

therefore

The polygon has 9 sides

8 0

2 years ago

Select the correct answer.<br> Σ(-)),<br> Which expression gives the same result as t=0

Monica [59]

Answer:

Step-by-step explanation:

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2 years ago

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Anton [14]

Answer:

this is right

Step-by-step explanation:

i just took the test and it was B!

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3 years ago