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Alinara [238K]
3 years ago
7

Which of the following requires a proof?

Mathematics
1 answer:
zmey [24]3 years ago
8 0
Therorem requires proof.
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Cho khối chóp có diện tích đáy B=3 và chiều cao h=4. Thể tích của khối chóp đã cho bằng
lyudmila [28]

Answer:

D. 4

Step-by-step explanation:

 V =\frac{1}{3}Bh=\frac{1}{3}.3.4=4

4 0
3 years ago
Question 4<br> If2x - 3= 25, then2x =<br> ?
podryga [215]

Answer:

14

Step-by-step explanation:

2x - 3= 25

2x=25+3

2x=28

x=28/2

x=14

8 0
3 years ago
The first 5 terms of a sequence are shown below:
slamgirl [31]

Answer:

c: -7

Step-by-step explanation:

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B5%7D%7B2%7D%20%3D%20%5Cfrac%7Bx%20-%204%7D%7B3%7D" id="TexFormula1" title="\frac{5}{
valentina_108 [34]

Step-by-step explanation:

\frac{5}{2}  =  \frac{x - 4}{3}

3 \times \frac{5}{2}  =  \frac{x - 4}{3}

\frac{3}{1}  \times  \frac{5}{2}  =  \frac{x - 4}{3}

cross multiplication

\frac{6 \times 5}{2}  =  \frac{x - 4}{3}

15 =  \frac{x - 4}{3}

15 \times 3 = x - 4

45 + 4 = x

49 = x

4 0
3 years ago
Read 2 more answers
Michael has 2 meters of yarn. she needs to cut the yarn into 10 equal pieces. how long will each price of yarn be? A.) 20 cm B.)
Karolina [17]
2 meters is equal to 200 centimeters
Divide 200 by 10
200/10 = 20cm

Each piece will be 20 cm long
So your answer is A
3 0
3 years ago
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