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Nutka1998 [239]
2 years ago
7

Find the value of X:

Mathematics
1 answer:
d1i1m1o1n [39]2 years ago
4 0

this answer is wrong

Answer:

7

Step-by-step explanation:

the left side is 9+18=27

so the right side is 20+x=27

and 27-20=7

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Solve the equation simultaneously<br> 3x+4y-z=19 <br> 5x+2y+z=15 <br> 2x+3y+2z=11.<br> Find x+y+z
Vladimir79 [104]

Answer:

sorry little busy to calculate

Step-by-step explanation:

+5x+2y+z=15

3x +4y_z=19,,,choose which term u wanna eliminate first so u will be able to get your answer there

5 0
3 years ago
In a school with 700 students, a survey revealed that 80% of the students liked the new lunch menu. Based on this data, how many
Slav-nsk [51]

Answer:

560 students

Step-by-step explanation:

We are given that the total number of students is

700

The survey results is 80% likes the new lunch menu

We are expected to establish what amount of students is 80%

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Hence 80% of 700 is 560

5 0
3 years ago
Sue graphed the formula for converting temperatures from Fahrenheit to Celsius. If the temperature is 50 degrees Fahrenheit, wha
KATRIN_1 [288]

Answer:

Second Option (10° Celsius)

Step-by-step explanation:

There is a formula to convert the temperature which is in degree Celsius into degree Fahrenheit and vice versa. The formula to convert the temperature in degree Fahrenheit into degree Celsius is:

C° = (F° - 32) * 5/9.

It is given that the temperature is 50° Fahrenheit. Therefore, F° = 50°. Substituting F° = 50° in the formula gives:

C° = (50° - 32) * 5/9.

Further simplification results in:

C° = 18 * 5/9. Therefore, C° = 10°.

So the correct answer is 10° Celsius!!!

4 0
3 years ago
Read 2 more answers
A group of family went to the store and bought burgers. The first family bought 4 hamburger and 3 cheeseburger for $31. The seco
olganol [36]
I belive the price is 4.4 or $4.40c

8 0
3 years ago
2<br> 7<br> What is the area of the triangle?<br> units?
Alex_Xolod [135]

Step-by-step explanation:

the area of a triangle is always

baseline × height / 2

where baseline and height are perpendicular (at a 90° angle) to each other.

so, in our case the area is

7 × 2 / 2 = 7 × 1 = 7 units²

3 0
2 years ago
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