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patriot [66]
3 years ago
10

Given: x + 2y = -6.

Mathematics
1 answer:
wel3 years ago
4 0

very positive about these results

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The mean temperature for the first 7 days in January was 6 °C.
IRISSAK [1]

Answer:

\frac{x + x + x + x + x + x + x}{7} = 6 \\  \frac{7x}{7}   = 6 \\ x = 6 \\  \frac{6 + 10}{8}  =  \frac{16}{2}

Step-by-step explanation:

answer =2

7 0
2 years ago
POR FAVORRRRRRR NECESITO RÁPIDO LA RESPUESTA<br><br> 3m (4x-5) - 20x + 25
nalin [4]

Answer:

12mx-15m-20x+25 Hope this helps!

Step-by-step explanation:

4 0
3 years ago
Find the length of the third side of each triangle mark
Sedaia [141]

Answer:

I'm going to use the Pythagoras theorem

1. hypotenus²= base²+height²

h²=80²+18²

h²=6400+324

√h²=√6724

hypotenuse= 82

2. 53²=45²+h²

2809=2025+h²

2809-2025=h²

784=h²

√784=√h²

h=28

3. 40²=b²+24²

1600=b²+576

1600-576=b²

√1024=√b²

b= 32

5 0
2 years ago
According to the 1991 census, there are about 43406932 people in our country who speak Urdu. Which of the following is the close
amm1812

According to the 1991 census, there are about 43406932 people in our country who speak Urdu. Which of the following is the closest approximation of this number?

A 4 lakhs

B 43 lakhs

C 4 crores

D 43 crores

→ <u>C</u><u> </u><u>4 </u><u>crores</u>

Explaination :

2 - Unit place

3-tens place

9- hundred place

6 - thousand place

0- ten thousand place

4 - lakh place

3 - ten lakh place

4 - crore place

hence , closest approximation of this number is 4 crores.

7 0
2 years ago
#14 i
ivann1987 [24]

Answer:

Incorrect/No

Step-by-step explanation:

7x2=14

-7x2=-14

<u>Follow the below guidelines:</u>

  • A positive number times a positive number is a positive number
  • A negative number times a positive number is a negative number
  • A positive number times a negative number is a negative number
  • A negative number times a negative number is a positive number

Looking at the last one, we see that -2x-7=14, a positive number

Hope this helps!

--Applepi101

7 0
3 years ago
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