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3 years ago

Anyone know? Will give brainiest

Mathematics

2 answers:

Natalija [7]3 years ago

8 0

By using the process of elimination, the answer is A.

barxatty [35]3 years ago

6 0

The answer is going to be A because if you flip the shapes the angles do not meet each other.

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In a group of 100 adults, 70 say they are most likely to do spring houseclean-ing in March, April, or May. Of these 70, the numb

son4ous [18]

Answer:

Adults that clean in March = 18

Adults that clean in April = 48

Adults that clean in May = 4

Step-by-step explanation:

Adults that clean in the months of March, April and May = 70

Let a represent March, b represent April and c represent May.

Therefore, a + b + c = 70 (i)

From the question, the number of adults that clean in April is 14 more than number of the adults cleaning in months of March and May combined.

b - ( a + c) = 14 (ii)

also, the total number who clean in April and May is 2 more than three times the number who clean in March.

b + c - 3a = 2 (iii)

From (i), a + c = 70 - b (iv)

Substituting (iv) into (ii), b - ( 70 - b) = 14

b -70 + b = 14

2b = 84, b =48

Therefore a + c = 70 - 48

a + c = 22; c = 22 - a (v)

Substituting (v) and b = 48 into (iii)

48 + 22 - a -3a = 2

4a = 72, a = 18

Therefore, c = 22 - 18

c = 4

8 0

3 years ago

- Dale needs to buy some pencils. Brand A has a pack of 48 pencils for $7.97. Brand B has a pack of 72 pencils for $9.88.

Oksanka [162]

Answer:

Brand A= 0.17 per pencil Brand B= 0.14 per pencil

Step-by-step explanation:

To find the price of each pencil, you divide the price by the number of pencils and then round to the nearest hundredth.

8 0

4 years ago

What is the value of x?<br><br> 6<br> 8<br> 10<br> 12

Novosadov [1.4K]

we know that

The sum of exterior angles of any polygon is $360$ degrees

$(62+66+77+59+12x)=360\\( 264+12x)=360\\ 12x=360-264\\12x=96\\x= 8\ degrees$

therefore

<u>the answer is</u>

the value of x is $8\ degrees$

6 0

4 years ago

Read 2 more answers

2) The ratio of an exterior and an interior angle of regular polygon at a vertex is 2 : 7, the number of sides of the regular po

mina [271]

Answer:

Ext=2x

Int=7x

Int+ext=180

2x+7x=180

9x=180

x=20

Ext=2×20=40

No of sides =360/40

=9 sides.

I hope this helped you

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Which expression is equivalent to startfraction m minus 4 over m 4 endfraction divided by (m 2) ?

sertanlavr [38]

Rational functions are written as fractions. The expression equivalent to $\frac{\dfrac{m-4}{m+4} }{m+2}$ is $\frac{m-4}{m^2+6m+8}$

<h3>Rational functions</h3>

Given the rational function expressed as:

$\frac{\dfrac{m-4}{m+4} }{m+2}$

This can be further expressed as:

$\frac{m-4}{(m+4(m+2)}$

Factorize the denominator to have;

$\frac{m-4}{m^2+4m+2m+8}\\ \frac{m-4}{m^2+6m+8}$

Hence the expression equivalent to $\frac{\dfrac{m-4}{m+4} }{m+2}$ is $\frac{m-4}{m^2+6m+8}$

Learn more on rational function here: brainly.com/question/1917026

#SPJ4

4 0

2 years ago