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butalik [34]
3 years ago
9

When Devon cashed a $450 check at the bank, the teller gave him 18 bills, all $20 bills and $50 bills. Which system of equations

can be used to find how many of each type of bill Devon received? A) f- t = 18; 50f + 20t =450 B) f + t = 18; 50f + 20t = 450 C) f + t = 450; 50f + 20t = 18 D) f + t = 18; 50f - 20t =4 50
Mathematics
1 answer:
Neporo4naja [7]3 years ago
7 0
B is the answer to the equation
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Look at the geometry question and solve for X.
zubka84 [21]

Answer:

The value of x = 24.4 units.

Step-by-step explanation:

Given

  • a = 14
  • b = 20
  • c = x

For a right-angled triangle with sides a and b, the hypotenuse  c is defined as

c=\sqrt{a^2+b^2}

substituting c = x, a = 14 and b = 20

c=\sqrt{14^2+20^2}

c=2\sqrt{149}

c = 24.4 units

Therefore, the value of x = 24.4 units.

6 0
3 years ago
I suck at story problems can I please have help?
Mamont248 [21]

a.

b=cost per burrioto

t=cost per taco


b.

3 burritos and 4 tacos costs 11.33; 3b+4t=11.33

9 burritos and 4 tacos costs 22.07; 9b+4t=22.07


c. solve

3b+4t=11.33

9b+4t=22.07

mulitply irst equation by -1 and add to 2nd to cancel t's


-3b-4t=-11.33

<u>9b+4t=22.07 +</u>

6b+0t=10.74


6b=10.74

divide both sides by 6

b=1.79

subsitute back


3b+4t=11.33

3(1.79)+4t=11.33

5.37+4t=11.33

4t=5.96

divide both sides by 4

t=1.49


solution: 1 taco costs $1.49 and 1 burrito costs $1.79

6 0
4 years ago
A circle diameter is 11 cm a square has a side length of 7 cm
olasank [31]

Answer:

By the Pythagorean theorem, the diagonal length (d) of the square is

 d² = 7² + 7²

 d = √98 ≈ 9.8995

Since the diameter of the circle (11 cm) is greater than the diagonal length of the square (9.9 cm), you know the square will fit into the circle without touching.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the value of the letter n?
sleet_krkn [62]

Answer:

The value of n depends on the questin. N would be a variable in an equation.

Step-by-step explanation:

For example. 2*n=6

n is the variable in the equation. Therefore, the value of n is 3. Because 2*3=6.

8 0
3 years ago
At a restaurant mike and his three friends decide to divide the bill evening. If each person paid 13 then what was the total bil
Hatshy [7]
At a restaurant Mike and his three friends that means that there was four people splitting the bill. If each of them paid $13 then the bill was $52

4 * 13 = $52
8 0
3 years ago
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