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dexar [7]
3 years ago
5

4. A student earned an 80% on a math test. If she got 16 questions correct, how many problems were on the test? A. 13 questions

B. 18 questions C. 20 questions D. 22 questions​
Mathematics
2 answers:
choli [55]3 years ago
7 0

Answer:

20 questions on the test so C

Step-by-step explanation:

grandymaker [24]3 years ago
5 0

Answer:

20

Step-by-step explanation:

16*100/80

1600/80=20

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I just need point tbh so thanks !!
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3 years ago
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Calculate the length of the unknown side of this right angled triangle
azamat

Answer:

12.04

Step-by-step explanation:

Well to solve for the unknown side "c" we need to use the Pythagorean Theorem formula,

a^2 + b^2 = c^2

We already have a and b which are 8 and 9 so we plug them in.

(8)^2 + (9)^2 = c^2

64 + 81 = c^2

145 = c^2

c = 12.04 rounded to the nearest hundredth.

<em>Thus,</em>

<em>the unknown side is about 12.04.</em>

<em />

<em>Hope this helps :)</em>

8 0
3 years ago
Select all sets that contain the number 0.484848.
Yuki888 [10]

0.484848  . . . . .

<span>A. Integer . . . no, it's not
B. Irrational . . . no, it's not
C. Natural. . . no, it's not
D. Rational . . . Yes !  It is !
E. Whole</span> . . . no, it's not


4 0
3 years ago
Find the quotients. 25÷34 94÷-34 -57÷-13 -53÷16
Assoli18 [71]

Answer:

  • 25 ÷ 34 = 25/34
  • 94 ÷ -34 = - 94/34 = -2 28/34 = -2 14/17
  • -57 ÷ -13 = 57/13 = 4 5/13
  • -53 ÷ 16 = - 53/16 = -3 5/16
4 0
3 years ago
Which equation is an equation of a circle with radius of 10 cm and center at (-3, 6)?
Musya8 [376]
The equation for a circle is 
(x-h)^2 + (y-k)^2 = r^2
(-3,6)
-3 is h 
6 is k 

(x+3)^2 + (y-6)^2 = 10^2
10^2 = 100 

(x+3)^2 + (y-6)^2 =100
The answer is B!
7 0
3 years ago
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