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
Cerrena [4.2K]
3 years ago
14

An adult blinks about 450 times in 30 minutes. A 12 year old blinks about 150 times in 15 minutes. How many more times does an a

dult blink in 60 minutes that a 12-year-old?
Mathematics
1 answer:
kaheart [24]3 years ago
5 0

Answer:

300

Step-by-step explanation:

An adult blinks

450 in 30 minutes

900 in 60 minutes (multiply 2 on both sidds)

A 12-year-old blinks

150 times in 15 minutes

600 times in 60 minutes (multiply 4 on both sides)

Difference:

900 - 600 = 300.

An adult blinks 300 more times.

You might be interested in
Y+1=3(x−4) what is x and y
kykrilka [37]

Answer:

y=−13

These are the x

and y intercepts of the equation y+1=3(x−4)

.

x-intercept: (133,0)

y-intercept: (0,−13)

Step-by-step explanation:

4 0
3 years ago
What is the logarithmic form of the equation e3x ≈ 3247?
lesya [120]
E^(3x) = 3247

3x = log 3247

x = [log 3247]/3
8 0
3 years ago
Someone please help me with this algebra question 100% correct answer only
Leya [2.2K]
The answer is {4, 6, 8, 10, 12} - or B
7 0
3 years ago
Read 2 more answers
What is a simpler form of the following expressions?
nadezda [96]

Answer:

D. 49p² - 64

Step-by-step explanation:

(7p - 8)(7p + 8)

Solving this requires the 'difference of squares' concept which states;

If (a - b)(a + b)

Then the solution must be a² - b²

Considering (7p - 8)(7p + 8) then the answer is;

(7p)² - 8² = 49p² - 64

6 0
3 years ago
Which oddered pair is the the system of equation?
Mnenie [13.5K]

Answer:

(3, -9)

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination
  • Solving systems of equations by graphing

Step-by-step explanation:

<u>Step 1: Define systems</u>

-5x - 3y = 12

y = x - 12

<u>Step 2: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em>:                              -5x - 3(x - 12) = 12
  2. Distribute -3:                                 -5x - 3x + 36 = 12
  3. Combine like terms:                     -8x + 36 = 12
  4. Isolate <em>x</em> term:                               -8x = -24
  5. Isolate <em>x</em>:                                        x = 3

<u>Step 3: Solve for </u><em><u>y</u></em>

  1. Define original equation:                    y = x - 12
  2. Substitute in <em>x</em>:                                     y = 3 - 12
  3. Subtract:                                               y = -9

<u>Step 4: Graph systems</u>

<em>Check the solution set.</em>

8 0
2 years ago
Other questions:
  • How many different triangles can be constructed with side lengths 5 inches, 7 inches, and 15 inches? exactly one triangle​ more
    13·2 answers
  • Select all of the following pairs of angles that are equal in measure.
    15·1 answer
  • Could someone tell me the answer pls Thankss alot
    13·2 answers
  • 6<br> 4.<br> 2<br> 74-22<br> 2<br> 4-<br> 6<br> Slope
    9·1 answer
  • This is for the little kids what is the answer for 200-500​
    10·1 answer
  • 8X=35<br> WHAT IS THE VALUE FOR X THAT MAKES THE EQUATION TRUE?
    8·2 answers
  • PPPPPPLLLLLS HEllllPP me my assignments due tomorrow :/ The residents of a city voted on whether to raise property taxes. The ra
    7·1 answer
  • You are running at a speed of 2 meters per second. At that speed, how many feet would you run in a minute?
    5·2 answers
  • 5(2x + 4) = 5x + 35 how do you answer this?
    6·2 answers
  • Simplify the following expression to remove negative exponents.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!