1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
satela [25.4K]
3 years ago
5

Kirk used 10.2 centimeters of tape to wrap 3 presents. How many presents did Kirk wrap if he used 23.8 centimeters of tape?

Mathematics
1 answer:
insens350 [35]3 years ago
7 0

Answer:

Kirk wrapped 7 presents with those 23.8 cm of tape.

Step-by-step explanation:

Figure out the unit rate:

10.2 cm tape

-------------------

  3 presents

or

   3 presents

-----------------------

  10.2 cm tape

Multiplying this by 23.8 cm results in the number of presents Kirk wrapped with that much tape:

(3 presents)(23.8 cm tape

--------------------------------------- = 7 presents

           10.2 cm tape

Kirk wrapped 7 presents with those 23.8 cm of tape.

You might be interested in
Order the sides or angles of the triangle from least to greatest
Iteru [2.4K]
Sides:6.7,9.3,9.5

Tell me if that helps
6 0
3 years ago
What is the slope of the line y = -5 - 3x ?<br> o 3<br> O 5<br> 0 -3<br> 0 -8
nexus9112 [7]

Answer:

we need to see the plane

Step-by-step explanation:

but, its 0 -8

3 0
3 years ago
Consider the absolute value function f(x) = a[x]. Would the values of a produce a shrink or a stretch? So
Rom4ik [11]

Answer:

Shrink:

a=1/4

a=0.3

Stretch:

a=60

a=2.5

a=1.1

Step-by-step explanation:

7 0
3 years ago
A research group needs to determine a 90% confidence interval for the mean repair cost for all car insurance small claims. From
lutik1710 [3]

Answer:

a) z = 1.645

b) The should sample at least 293 small claims.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.9}{2} = 0.05

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.05 = 0.95, so z = 1.645, which means that the answer of question a is z = 1.645.

Now, find  the margin of error M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

(b) If the group wants their estimate to have a maximum error of $12, how many small claims should they sample?

They should sample at least n small claims, in which n is found when

M = 12, \sigma = 124.88. So

M = z*\frac{\sigma}{\sqrt{n}}

12 = 1.645*\frac{124.88}{\sqrt{n}}

12\sqrt{n} = 205.43

\sqrt{n} = \frac{205.43}{12}

\sqrt{n} = 17.12

\sqrt{n}^{2} = (17.12)^{2}

n = 293

The should sample at least 293 small claims.

8 0
3 years ago
Need help before 5:30pm i also have to show my work.
SpyIntel [72]

I can help!! But could you tell me what the equations are?

6 0
3 years ago
Other questions:
  • How to add fractions and subtract fraction then the reduce how do I reduce 23/24 11/24 -
    12·1 answer
  • What is the answer to this equation:<br><br> 1/2 + 8/3
    15·1 answer
  • Circle O is shown below. The diagram is not drawn to scale? If Angle r is 32, what is angle O?
    5·1 answer
  • Simplify quantity x squared plus 5 x plus 4 end quantity over quantity x plus 4
    14·2 answers
  • PLEASE HELP!!!
    12·2 answers
  • Which is the final line of her partial product and the correct answer? A. 0 . 4 × 2 = 0 . 8 ; 9.6 B. 0 . 4 × 0 . 2 = 0 . 08 ; 8.
    7·1 answer
  • Each of the five school buses can hold 43 pupils.
    8·2 answers
  • A survey was done to see if residents drive a car or ride the bus. Let C represent residents who drive a car and
    10·2 answers
  • How do we write a set -builder method ?​
    5·1 answer
  • PLEASE PLEASEE HELP ITS PAST DUE AND ITS A TEST ILL GIVE BRAINLIEST
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!