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
dybincka [34]
3 years ago
5

Sam bought six new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are n

ow only thirty - eight cards left. How many cards did Sam start with?
Mathematics
2 answers:
kolezko [41]3 years ago
6 0

Answer:

76

Step-by-step explanation:

Sam bought six new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only thirty eight cards left. Therefore, he started out with 76 baseball trading cards.

Dog ate half of his collection (not including the 6 new baseball cards)

38 are left.

38x2=76

38x2=76

Therefore, he started out with 76 baseball cards.

victus00 [196]3 years ago
4 0

Answer:70

Step-by-step explanation:

multiply 38 to get 76 and then subtract 6

You might be interested in
Pls help me with these problems
Over [174]
I will help u ina sec follow me
5 0
3 years ago
What.... I need help...
Keith_Richards [23]

i am unsure of this, but i think it will be D

4 0
3 years ago
Which equation is represented by the graph below?
Levart [38]
The correct answer is the first choice
3 0
3 years ago
Read 2 more answers
s(t) = 0.29t2 − t + 25 gallons per year (0 ≤ t ≤ 7), where t is time in years since the start of 2007. Use a Riemann sum with n
Sav [38]

Answer: The answer is 300 gallons.

Step-by-step explanation: Riemann sum is a method of calculating the total  area under a curve on a graph, which is also known as Integral.

To calculate that area, we divide it into a number of rectangles with one point touching the curve. The curve has a closed interval [a,b] that can be subdivided into n subintervals, each having a width of Δx_{k} = \frac{b-a}{n}

If a function is defined on the closed interval [a,b] and c_{k} is any point in [x_{k-1},x_{k}], then a Riemann Sum is defined as ∑f(c_{k})Δx_{k}.

For this question:

Δx_{k} = \frac{7-0}{5} = 1.4

Now, we have to find s(t) for each valor on the interval:

s(t) = 0.29t^{2} - t +25

s(0) = 25

s(1) = 24.29

s(2) = 24.16

s(3) = 24.61

s(4) = 25.64

s(5) = 27.25

s(6) = 29.44

s(7) = 32.21

Now, using the formula:

∑f(c_{k})Δx_{k} = 1.4(25+24.29+24.16+24.61+25.64+29.44+32.21)

∑f(c_{k})Δx_{k} = 1.4(212.6)

∑f(c_{k})Δx_{k} ≅ 300

With Riemann Sum, it is estimated the total country's per capita sales of bottled water is 300 gallons.

3 0
3 years ago
(10
Anni [7]

Given:

The matrix multiplication

\begin{bmatrix}4&5&6\\1&2&3\end{bmatrix}\begin{bmatrix}10\\20\\30\end{bmatrix}

To find:

The order of resulting matrix.

Solution:

We know that, if order of first matrix is m_1\times n_1 and the order of second matrix is m_2\times n_2, then the order of these two matrices is m_1\times n_2.

We have,

\begin{bmatrix}4&5&6\\1&2&3\end{bmatrix}\begin{bmatrix}10\\20\\30\end{bmatrix}

Here, the order of first matrix is 2\times 3 and the order of the second matrix is 3\times 1. So, the order of the second matrix is 2\times 1. It is also written are 2 by 1.

Therefore, the correct option is A.

6 0
3 years ago
Read 2 more answers
Other questions:
  • 9 more than the quotient of -36 and -4
    14·2 answers
  • I NEEEDDDDD HELPPPP FASTTTT PLZZZZZ I NEEED SOMEONES HELPPPP !!!!
    15·2 answers
  • Helpppppp pleaseeeeee
    11·1 answer
  • Eddie, 37 year old male, bought a $70,000, 20 year life insurance policy through his employer. Eddie is paid biweekly. How much
    5·2 answers
  • Which correctly completes this number sentence?
    8·2 answers
  • D. The space shuttle travels at about 28,000 km per hour. Using that information, estimate how many hours it will take the shutt
    13·1 answer
  • Please help me, choose the right one
    5·2 answers
  • Write the words used to read the number 46,533,034
    14·1 answer
  • Pls someone help! I will mark brainliest!!!
    8·1 answer
  • Mia found the relationship between the quantities in the table. Her work is shown below. Multiply x by 5 to get y. A 2-column ta
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!