MATHEMATICS MIDDLE SCHOOL

Multiply (1/3)(1/5)

A. -1/10
B. -1/15
C. 1/15
D. 1/10

Answers

Answer 1
Answer:

the answer is c 1/15

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Just Checking2. A consumer watchdog organization received customer complaints aboutthe performance of one brand of batteries. To investigate, the researcherspurchased 24 of these batteries and ran them until they died. This samplelasted a mean of 47 hours with a standard deviation of 3 hours.a) What assumption must we make about battery life in order to use a tmodel?b) Find a 95% confidence interval for the mean lifespan of this brand ofbatteries.c) Write a conclusion based on your confidence interval.
What expression is equivalent to 6(5+3x)
What is the equation for the slope intercept form
For f(x)= 4x+1 and g(x) = x^2 -5, find (f g)(x).O A. 4x2 -19 O B. 4x3 + x2 - 4x -6 O C. 4x3 + x2 - 20x-5 O D. 4x3 + x2 - 5x -5

Trevor drove 202 miles to visit his grandparents. It took him 4 hours to get there. What was the average speed that Trevor drove? What is the answer to that thanks

Answers

The answer is 202 miles devided with 4 hours
202/4=50.5 m/h

Answer:

50.2

Step-by-step explanation:

202/4=50.2

Which equation finds the volume of a cube with a side length of 2 n Superscript 6 units?(2 n Superscript 6 Baseline) cubed = 8 n Superscript 18 cubic units
(2 n Superscript 6 Baseline) cubed = 2 n Superscript 18 cubic units
2 (n Superscript 6 Baseline) cubed = 2 n Superscript 18 cubic units
2 (n Superscript 6 Baseline) cubed = 6 n Superscript 18 cubic units

Answers

Answer:

Volume of the cube: 8n^(18)

Step-by-step explanation:

A cube is a solid figure consisting of 6 squared faces arranged in a structure at right angle with each other.

The volume of a cube is given by:

V=L^3

where

V is the volume

L is the length of one side of the cube

In this problem, the length of the side of the cube is

L=2n^6

Therefore, the volume of the cube is

V=(2n^6)^3 = 2^3 (n^6)^3 = 8n^(18)

Answer:

Its A

Step-by-step explanation:

Plsssssss hlp asap!!! Find the mode for the data set.18, 24, 24, 24, 25, 37, 37, 46


A.
18







B.
24







C.
25







D.
46

What is the mode of the data set?

14, 18, 19, 21, 25, 36, 37, 40, 41



A.
14







B.
25







C.
41







D.
There is no mode

Answers

We find the mode as the value that occurs most often in a set:
18, 24, 24, 24, 25, 37, 37, 46
there are 24 three times, that is the mode
the first one is B because twenty four shows up the most in the data set. the second one is D, there is no mode, because no number shows up more than the other numbers in the data set.

Which number is a factor of 14 but not a multiple of 2

Answers

A factor of 14 is 7, and it isnt a multiple of 2.

7 x 2 = 14
A number that is a factor of 14 but also not a multiple of 2=7

The figure is made up of a square and a rectangle. Find the area of the shaded region.

Answers

trianglearea =1/2bh

small one
base=4
heigh=2
ara=1/2*2*4=4

the other one
flip 90 degrees clockwise
base=2
height=6
aera=1/2*2*6=6

add
4+6=10
total is 10m^2

Please use a system of equations to solve this problem. I already know how to solve this, but I want to know how to solve it using a system of equations!!! A writing workshop enrolls novelists and poets in a ratio of 5:3. There are 24 people at the workshop. How many novelists are there and how many poets are there?

Answers

Answer:

\boxed{\sf \ \ \ 15 \ \ novelists \ \ and \ \ 9 \ \ poets \ \ \ }

Step-by-step explanation:

hello,

let's note a the number of novelists and

b the number of poets.

we know that a = 5/3 b as "enrolls novelits and poets in a ratio of 5:3"

it comes 3a=5b which is the first equation

and we know that a + b = 24 "there are 24 people"

we we have two equations

(1) 3a - 5b = 0

(2) a + b = 24

let's multiply (2) by 3 it comes 3a + 3b = 24*3 = 72

let's do 3*(2) - (1) it comes

3a + 3b -3a + 5b = 72 - 0 = 72

so 8b = 72

so b = 9

and then we replace b in (2) it comes

a = 24-9 = 15

hope this helps
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