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
olya-2409 [2.1K]
2 years ago
10

. Dinah bought 3 packages of ground beef. The packages weigh 3 3/4 pounds, 1 1/8 pounds, and 2 1/2 pounds. How many pounds of gr

ound beef did Dinah buy
Mathematics
2 answers:
IgorC [24]2 years ago
8 0

Answer:

6 3/8

Step-by-step explanation:

Convert the fractions so that the denominators match.

3\frac{3}{4} =3\frac{6}{8}, then 3\frac{6}{8}=\frac{30}{8}

1\frac{1}{8}=\frac{9}{8}

2\frac{1}{2}=\frac{3}{2}, then \frac{3}{2}=\frac{12}{8}

Add up the fractions.

\frac{30}{8}+\frac{9}{8}+\frac{12}{8} =\frac{51}{8} =6\frac{3}{8}

valentina_108 [34]2 years ago
3 0

Answer:

7\frac{3}{8} pounds

Step-by-step explanation:

First, convert the fractions into improper fractions, and make them have the same denominator.

First package: 3\frac{3}{4} =\frac{15}{4}=\frac{30}{8}

Second package: 1\frac{1}{8} =\frac{9}{8}

Third package: 2\frac{1}{2}=\frac{5}{2}=\frac{20}{8}

Notice that all the fractions have the same denominator, making it easy to add up. Now we add up the fractions.

\frac{30}{8}+\frac{9}{8}+\frac{20}{8}=\frac{59}{8} =7\frac{3}{8}

You might be interested in
Find the integral, using techniques from this or the previous chapter.<br> ∫x(8-x)3/2 dx
Soloha48 [4]

Answer:

\int x(8-x)^{3/2}dx= -\frac{16}{5} (8-x)^{\frac{5}{2}} +\frac{2}{7} (8-x)^{\frac{7}{2}} +C

Step-by-step explanation:

For this case we need to find the following integral:

\int x(8-x)^{3/2}dx

And for this case we can use the substitution u = 8-x from here we see that du = -dx, and if we solve for x we got x = 8-u, so then we can rewrite the integral like this:

\int x(8-x)^{3/2}dx= \int (8-u) u^{3/2} (-du)

And if we distribute the exponents we have this:

\int x(8-x)^{3/2}dx= - \int 8 u^{3/2} + \int u^{5/2} du

Now we can do the integrals one by one:

\int x(8-x)^{3/2}dx= -8 \frac{u^{5/2}}{\frac{5}{2}} + \frac{u^{7/2}}{\frac{7}{2}} +C

And reordering the terms we have"

\int x(8-x)^{3/2}dx= -\frac{16}{5} u^{\frac{5}{2}} +\frac{2}{7} u^{\frac{7}{2}} +C

And rewriting in terms of x we got:

\int x(8-x)^{3/2}dx= -\frac{16}{5} (8-x)^{\frac{5}{2}} +\frac{2}{7} (8-x)^{\frac{7}{2}} +C

And that would be our final answer.

8 0
2 years ago
9. Sonya opened a savings account with and deposits each week. Brad opened a savings account with and contributes each week. Aft
Lapatulllka [165]
It will take 6 weeks for Brad to get twice the amount as Sonya.
Sonya will have $260 dollars and Brad will have $360
8 0
2 years ago
Help plz idk I need help ASAP
rjkz [21]

Answer:

1.  A

2.   - (b)

3. a = c - b

8 0
2 years ago
What is the slope of the line shown below.
rusak2 [61]

slope = (y2-y1)/(x2-x1)

(2,4)   (4,8)

 m= (8-4)/(4-2)

m = 4/2

m=2

Answer: 2

8 0
3 years ago
Read 2 more answers
An ice chest contains 9 cans of apple juice6 cans of grape juice5 cans of orange juiceand 4 cans of pineapple juice Suppose that
KatRina [158]

Answer:

243/506

Step-by-step explanation:

There are 24 total juice boxes.

18 of them are not grape

You have an 18/24 chance of picking not grape juice

The second time, 1 is removed, then another is removed. This creates:

(18/24)*(18/23)*(18/22) = 243/506

4 0
2 years ago
Other questions:
  • Denis, Vera, and Yash are rock climbers. Yash is connected to Vera by a
    11·2 answers
  • Point Q is the midpoint of GH¯¯¯¯¯¯ . GQ=2x+3, and GH=5x−5 .<br><br> What is the length of GQ¯¯¯¯¯ ?
    14·1 answer
  • The order of the ______________ in the congruence statement for two congruent triangles tells you the correspondence.
    7·2 answers
  • Zack works at a carwash and can either do interior carpet cleaning
    7·1 answer
  • Convert 9/16 into decimal
    7·2 answers
  • Explain how knowing 50 times 4 =200 helps you find 500 times 400.
    15·1 answer
  • -Simplify the expression. 2(-y + 9) + 8y
    12·1 answer
  • Simplify the expression— 2.7(w-5.2)
    12·2 answers
  • Let F(x, y, z) = xi. Let S be the surface given by the quarter of the right-circular cylinder centered on the z-axis, of radius
    5·1 answer
  • How to find out the answer to the problem,<br> -3/4 ÷ -1/8=
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!