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Savatey [412]
3 years ago
11

What decimal represents 15 out of 20

Mathematics
2 answers:
prisoha [69]3 years ago
5 0
0.75 is the answer because 14/20 would be .7 would equal 0.70
IRINA_888 [86]3 years ago
3 0

Answer:

.75

Step-by-step explanation:

15/20 reduced is 3/4. We get the 3/4 by dividing the numerator (15) and the denominator (20) each by 5. and 3/4 is 75% which is .75 because its like that's 75 cents of a dollar which is shown as 1.00 and there are four quarters in a dollar (1.00) and 3 out of 4 quarters is .75 cents.

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On multiple-Choice history Test, rita received a mark of 80%. She answer 32 correctly
Fofino [41]

Let total number of questions be x.

According to the question,

80% of x is 32

or 80/100 × x = 32

or x = 32 ÷ 80/100

or x = 32 × 100/80

or x = 32 × 10/8

or x = 4 × 10

or x = 40

<em>So</em><em>,</em><em> </em><em>total</em><em> </em><em>number</em><em> </em><em>of</em><em> </em><em>que</em><em>stions</em><em> </em><em>is</em><em> </em><em>4</em><em>0</em><em>.</em>

3 0
4 years ago
The students in your class are going on a field trip. The ratio of teachers to students must be 1 to 7.
andrew-mc [135]

Answer:

4 teachers for 28 students

Step-by-step explanation:

28/7 = 4

8 0
3 years ago
(6u-7c-6)+(-2u+4c) find the sum and express it in simplest form
astra-53 [7]

Answer:

Step-by-step explanation:

(6u)+(-2u)=4u

(-7c)+(4c)=-3c

6=6

4u-3c+6

6 0
3 years ago
I need help with all of them thanks
KiRa [710]
1. s-13=63       76
2. m-7=73        80
3. 8+m=17-10     0
4. 17+m=80       63
5. Q+25=50-11    14
6. n-18=74       92
7. n+6=82        76
8. n+3=77        74
9. 8x=72         9
10. 2x=15+9      12
3 0
4 years ago
Read 2 more answers
PICTURES INCLUDED HELP NEEDED<br> ASAP
hammer [34]

The perpendicular distance from Frank to the height of statue of Liberty is 306-5.5 = 300.5 ft .

And frank stand 400 feet away from the base of the statue , so base=400 feet

Since tangent function establish relationship between height and base, so we use tanhere.

tan \ x = \frac{300.5}{400} => x = 36.9 degree

So the correct option is the first option .

5 0
3 years ago
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