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
Olegator [25]
3 years ago
15

Consider the equation n2+5=21.

Mathematics
1 answer:
lesya692 [45]3 years ago
6 0

Step-by-step explanation:

n2+5=21

n2 =21-5

n2 = 16

n =16/2=8

You might be interested in
When Mrs. Stewart makes pie dough, she uses 2/3 cup of shortening for every 2 1/2 cups of flour which proportion could be used t
zloy xaker [14]

Answer:

The amount of flour Mrs.Stewart needs for 5 cups of shortening =\frac{75}{4} =18\tfrac{3}{4} cups.

Step-by-step explanation:

Mrs.Stewart pie dough needs  \frac{2}{3} cups of shortening for 2\tfrac{1}{2}=\frac{5}{2} cups of flour.

Now we assume that the shortening needed for x cups of flour is y cups.

Accordingly we can arrange the ratios.

So for one cup of shortening how many cups of flour is needed we have to use the unitary method:

\frac{cups\ of flour\ (x)}{cups\ of\ shortening\ (y)} =\frac{x}{y} =\frac{5/2}{2/3}

Plugging the value of y=5 as it is number of cups of shortening Mrs.Stewart have used.

And multiplying both sides with 5.

Number of cups of flour needed when 5 cups of shortenings are used (x) =\frac{x}{y} =\frac{5/2}{2/3}.

So, (x)=\frac{5\times 3\times 5}{2\times 2} =\frac{75}{4} = 18\tfrac{3}{4}

The amount of floor Mrs.Stewart needed for 5 cups of shortening = 18\tfrac{3}{4}\ cups of floor.

3 0
3 years ago
Cindy took her five grandchildren to the movies, where she offered to buy all of them popcorn and candy. A popcorn bag costs $4.
Svetradugi [14.3K]

Answer:

She buys 5 boxes of popcorn and 6 boxes of candy

Step-by-step explanation:

this is because 5 times 4.00 is 20$ and 2.50 times 6 is 15$

15 + 20 is 35

so your answer is 5 boxes of popcorn and 6 boxes of candy

hope this helped :D

6 0
3 years ago
( - 37 + 37 ) ÷ - 15 = What is the answerr​
Eduardwww [97]

Answer:

0

Step-by-step explanation:

~~~(-37+37 )\div(-15)\\\\=0\div (-15)\\\\=0

5 0
2 years ago
Read 2 more answers
There are two van accessible parking spaces for every 50 parking spaces available in a mall. If there are 200 parking spaces in
mash [69]

Answer:

6

Step-by-step explanation:

7 0
3 years ago
If a teacher brings 3 gallons of juce on a feild trip for 36 students how many fluid ounces did she bring
Elza [17]
If there are 128 fluid ounces per US gallon, and there are 3 gallons, 3x128=384. The teacher brought 384 fluid ounces of juice on the feild trip.
6 0
3 years ago
Read 2 more answers
Other questions:
  • The area of a rectangle is 265.5 m2. If the length is 18 m, what is the perimeter of the rectangle?
    15·1 answer
  • Acrosonic's production department estimates that the total cost (in dollars) incurred in manufacturing x ElectroStat speaker sys
    12·1 answer
  • Water cost $0.08 per gallon. The equation y = 0.08x relates the total cost of water (y) to the number of gallons (x) used. Ident
    7·2 answers
  • Dos puntos pueden determinar un segmento?
    7·1 answer
  • X : Y = 5 : 1<br> Write the equation as a function of X
    12·1 answer
  • How many 5/6 are in 2/3
    13·2 answers
  • Find the profit-maximizing price.
    14·1 answer
  • Find the value of each variable.<br> 29degrees<br> (11x-65)
    13·1 answer
  • 0.2(7 + 2t) = 0.4t + 1.4
    14·1 answer
  • The expressions 4 (y - 3) and 4y - 12 are equivalent?True or False
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!