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
borishaifa [10]
3 years ago
9

What is the square root of -16?

Mathematics
1 answer:
emmasim [6.3K]3 years ago
4 0

Answer:

-4

Step-by-step explanation:

-4*-4= 16

You might be interested in
Simplify the expression below.
Mashutka [201]

Answer:

D. 10^10

Step-by-step explanation:

Multiplying numbers with exponents rule : a^b*a^c=a^b^+^c

explanation of rule : we simply keep the bases the same and add the exponents.

10^3 • 10^7

keep the base as 10 and add the exponents

10^3 * 10^7 =10^3^+^7=10^1^0

Keep in mind that this only works when the bases are the same.

7 0
3 years ago
Read 2 more answers
What is Bernoulli theore?????​
Ostrovityanka [42]

Answer:

Fluids speed must be matched by change in pressure ( force)

8 0
4 years ago
Read 2 more answers
1. It costs $5820 to get new windows for a certain house. Each of the 28 windows costs the same amount. (a) Determine an estimat
leonid [27]
Estimated round up $6000 and divide by $30(rounded up) = $200 each estimated
$5820÷28= $207.857.. so round up to $208
6 0
3 years ago
Read 2 more answers
Which is the slope of the line that passes through the points (4, 2) and (6, 7)?
denis23 [38]

Answer:

\displaystyle m = 5

General Formulas and Concepts:

<u>Pre-Algebra</u>

Evaluations

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

Coordinate Planes

  • Coordinate (x, y)

Slope Formula: \displaystyle m = \frac{y_2 - y_1}{x_2 - x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify variables.</em>

Point (4, 2)

Point (6, 7)

<u>Step 2: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>.

  1. Substitute in points [Slope Formula]:                                                              \displaystyle m = \frac{7 - 2}{6 - 4}
  2. [Evaluations] Simplify:                                                                                       \displaystyle m = \frac{5}{1}
  3. [Evaluations] Simplify:                                                                                      \displaystyle m = 5
7 0
3 years ago
Read 2 more answers
The sales tax for an item was 12.80 and it cost 320 before tax​
Arlecino [84]

Answer:

4%

Step-by-step explanation:

Divide the tax by the pre-tax price =

12.80/320 = .04 or 4%

8 0
3 years ago
Other questions:
  • Data were collected on random specimens of Yellowfin tuna from 1991 and 2010. For the sample of 231 specimens of Yellowfin tuna,
    15·1 answer
  • A square rug has an area of 225ft. How long is each side of the rug?
    5·1 answer
  • What is the square root of y^8
    10·2 answers
  • Which ordered pair describes the location of the red point? 
    5·2 answers
  • Logy<br>6.<br>If log2<br>logz<br>then x2 =<br>5<br>2<br>3<br>a) 1<br>b) )xy<br>c) Vyz<br>d) Vzx​
    10·1 answer
  • G is the centroid of triangle ABC. If BF=12, what is BG?<br> BG=?
    14·1 answer
  • #8<br> 3(2x + 6) = 2( 4x-5)
    10·1 answer
  • Ichiro dilated triangle ABF with a scale factor of 2.
    10·1 answer
  • Can I have some help plz
    7·2 answers
  • A basketball player made 80 out of 100 attempted free throws. What percent of free throws was​ made?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!