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zimovet [89]
3 years ago
11

One eighth of Tony’s books are mystery books. He has 3 mystery books. How many books does Tony have in all?

Mathematics
1 answer:
Nataly_w [17]3 years ago
6 0

Answer:

he has twenty four books in all

Step-by-step explanation:

If he has 3 mystery books, and 1/8th of his books are mystery, then you do 3*8 to get 24

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Which of the following is the correct classification of ∆mnp if m<m=35° and m<p=47°?​
AnnZ [28]

Answer:

D. Obtuse.

Step-by-step explanation:

We are told that in \Delta MNP m\angle M=35^o and m\angle P=47^o. We are asked to classify our given \Delta MNP.

We can see that angle M and angle P are acute angles as their measure is less than 90 degrees.

Let us find the measure of angle P using angle sum property of triangles, which states that sum of interior angles of a triangle is 180 degrees.

So we can set an equation as:

m\angle M+m\angle P+m\angle N=180^o

Upon substituting our given values we will get,

35^o+47^o+m\angle N=180^o

82^o+m\angle N=180^o

82^o-82^o+m\angle N=180^o-82^o

m\angle N=98^o

As measure of angle N is 98 degrees, so angle N is an obtuse angle.

Since a triangle having an angle that measures more than 90 degrees is called an obtuse triangle, therefore, \Delta MNP is an obtuse triangle and option D is the correct choice.

4 0
3 years ago
Read 2 more answers
What kind of number is e? <br><br> a.) integer<br> b.) rational <br> c.) natural <br> d.) irrational
Oliga [24]

Answer:

c.natural

Step-by-step explanation:

The number e , sometimes called the natural number, or Euler's number, is an important mathematical constant approximately equal to 2.71828.

7 0
2 years ago
Read 2 more answers
Natalie has a 15-pound yellow dumbbell. It is 3 times at heavy as the red dumbbell she has. How many pounds is the red dumbbell?
V125BC [204]
5 pounds is the red dumbbell
7 0
3 years ago
A fire department in a rural county reports that its response time to fires is approximatelyNormally distributed with a mean of
____ [38]

Answer:

Option C) 0.25

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 22 minutes

Standard Deviation, σ = 11.9 minutes

We are given that the distribution of  response time is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(response times is over 30 minutes)

P(x > 30)

P( x > 30) = P( z > \displaystyle\frac{30 - 22}{11.9}) = P(z > 0.6722)

= 1 - P(z \leq 0.6722)

Calculation the value from standard normal z table, we have,  

P(x > 30) = 1 - 0.749= 0.251 = 25.1\%

Thus, the correct answer is

Option C) 0.25

3 0
2 years ago
Read 2 more answers
And for number 3 it’s gonna be
IRISSAK [1]

Answer:

a) f(0)=2

b)f(2)=-4

c)f(0)+f(2)=-2

d)f(3)*f(-2)=-56

e)f(0):f(2)=-1/2

Step-by-step explanation:

f(x) =-3x+2

a) f(0)=-3*0+2=2

b) f(2)=-3*2+2=-6+2=-4

c) f(0)+f(2)=2-4=-2

d)f(3)*f(-2)=-7*8=-56

f(3)=-3*3+2=-9+2=-7

f(-2)=-3*(-2)+2=6+2=8

e)f(0):f(2)=2/(-4)=-1/2

4 0
2 years ago
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