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
pav-90 [236]
3 years ago
7

Evaluate 7!/5!2! choices 1 21 42

Mathematics
2 answers:
atroni [7]3 years ago
6 0
\frac{7!}{5!2!} = \frac{7 * 6 * 5 * 4 * 3 * 2 * 1}{5 * 4 * 3 * 2 * 1 * 2 * 1} = \frac{7 * 6}{2 * 1} = \frac{42}{2} = 21

The answer is B.
grigory [225]3 years ago
5 0

The correct answer is B. 21

You might be interested in
Determine the slope of y=3x^2-8 at (x,y)
romanna [79]
By definition, the slope of a curve is the rate of change of the independent and dependent variables. When graphed in a Cartesian plane, the slope between any two point on the curve is equal to Δy/Δx. However, we should not that only a linear function has a constant slope. For this problem, the equation is quadratic. Hence, you must specify the point where we should get the slope.

In calculus, the slope is the first derivative of the equation:

<span>y=3x</span>²<span>-8
dy/dx = slope = 6x - 0

Thus, the slope at any point of the curve is 6x. For instance, you want to find the slope of the curve at point (1,1), then the slope is equal to 6(1) = 6 units.</span>
8 0
3 years ago
Gloria is 5'3 exactly. If 1 foot equals 174 quarters Gloria height is equal to what quarters?
WARRIOR [948]
174/12 inches in a foot= 14.50
14.50*3 inches= 43.50

174*5 feet= 870=$217.50

217.50+43.50= $261

Gloria’s height is equal to $261
7 0
3 years ago
Read 2 more answers
Someone help me please!
TEA [102]

Answer:

<h2>here's the answer</h2><h2>hope this helps</h2>

5 0
3 years ago
Read 2 more answers
Ignore the answer i clicked on, i did not mean to click it
hjlf

Answer:

<h2><u><em>20√2</em></u></h2>

Step-by-step explanation:

The diagonal of a square is given as, √2 × side. Rearranging this formula to calculate the side of the square, we get, side = diagonal/√2 = (√2 × diagonal)/2 . Thus, the perimeter of the square can be calculated using the formula, P = 2√2 × diagonal.

Diagonal = 5 * 2 = 10

P = 2√2 * 10

P = 20√2

3 0
2 years ago
Emma has money into savings accounts. One rate is 8% and the other is 12%. If she has $450 more in the 12% account and the total
dexar [7]

A account 8% B account 12%

A+$450 = B (1)

Ax8% +Bx12%= $220

Ax0.08 + Bx0.12 = 220

Now we replace (1) on B:

Ax0.08 + (A+450)x0.12 = 220

Ax0.08 + Ax0.12 + 54 = 220

Ax0.2 = 166

A= 830.

Now we replace the value of A on equation (1):

830 + 450 = B

B = 1280

6 0
1 year ago
Other questions:
  • How do I solve 1.60y+1.75x is less than or equal to 10
    6·1 answer
  • Given: WX||YZ ; XY||WZ<br> Prove: WXZ cong. YZW
    12·1 answer
  • I need help with step 1 and step 2
    10·1 answer
  • sanjay's dog weighs 46 pounds on earth multiply the dogs earth weight by 0.38 to find how much it would weigh on mars, and by 2.
    12·1 answer
  • The temperature dropped from 75 degrees to 50 degrees. What was the percent decrease in the temperature?
    15·1 answer
  • F(x) = |x| transforms into function g by a horizontal reflection, shifts left 3 times and 1 time down. What is
    14·1 answer
  • 13. As part of a survey, 300 girls were asked to name their favorite sport. The results showed that 12 of the girls named bowlin
    8·2 answers
  • PLZZ HELPLPPPPpppppppppppppppppp
    12·1 answer
  • Which is the better value 24-ounce box of cereal for $4.84 or 15.3 ounce box of cereal for $3.72
    5·1 answer
  • A triangle with a base of 16 cm and a height of 9 cm.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!