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beks73 [17]
3 years ago
9

Find the value of x help plz​

Mathematics
1 answer:
Ainat [17]3 years ago
6 0

Answer:

5. x = 9

6. x = 12

7. x = 15

8. x = 11

Step-by-step explanation:

5. 90-56 = 34

34 = 3x + 7

27 = 3x

x = 9

6. 90 - 48 = 42

42 = 3x + 6

36 = 3x

x = 12

7. 90 - 47 = 43

43 = 2x + 13

30 = 2x

x= 15

8. 3x + 5x + 2 =  90

8x = 88

x = 11

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– 3х – бу = 17; (6, 3)
almond37 [142]

I'm going to assume that you want to know whether the coordinate satisfies the equation. Let's find out;

-3х - 6у = 17

-3(6) - 6(3) = 17

-18 - 18 = 17

-36 ≠ 17

The point (6, 3) does NOT satisfy the equation.

Best of Luck!

8 0
3 years ago
there were a total of 125 cars at a car dealership. A salesperson sold 68 of the cars in one month. Write and solve an inequalit
Angelina_Jolie [31]
Let c represent the number of cars that the salesman has left to sell.

      68 + c ≤ 125
68-68 + c ≤ 125 -68
               c≤57
The solution is c ≤ 57. The salesman has at most 57 cars left to sell

Answer:
68 + c ≤ 125; c ≤ 57 cars or less left to sell.
4 0
4 years ago
What is the expanded form of 5(3m + 7)?
aleksley [76]

Answer:  the  answer  is  15m  +  35

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Kanye and jay wanted to see who could run faster in a minute.They both started in the same spot and ran in different directions.
Lena [83]

Answer:

Kanye run faster.

Step-by-step explanation:

Given that,

Time = 1 min = 60 sec

Suppose, we find the speed of kanye and Jay.

According to number line,

Kanye covers the -160m distance and Jay covers the 140 m distance.

Negative sign shows the opposite direction.

We need to calculate the speed of Kanye

Using formula of speed

v=\dfrac{d}{t}

Where, v = speed

d = distance

t = time

Put the value into the formula

v=\dfrac{160}{60}

v=2.66\ m/s

We need to calculate the speed of Kanye

Using formula of speed

v=\dfrac{d}{t}

Put the value into the formula

v=\dfrac{140}{60}

v=2.33\ m/s

The speed of kanye is more than jay.

Hence, Kanye run faster.

6 0
4 years ago
Someone Please Help!!! <br> Find the radian measure of an angle of -280 degrees
SCORPION-xisa [38]
<span>Answer: -4.88691778Solution:1.Write down the number of degrees you want to convert to radians   Given Degree = -280° The formula to convert degrees to radian measure is:Radian =  degree x π/180 2. Multiply the number of degrees by π/180. Think of it like multiplying two fractions: the first fraction has the number of degrees in the numerator and "1" in the denominator, and the second fraction has π in the numerator and 180 in the denominator. -280 x π/180 = -280π/1803. Find the largest number that can evenly divide into the numerator and denominator of each fraction and use it to simplify each fraction. The largest number for 280 is 20.-280 x π/180 = -280π/180 ÷ 20/20 = -14π /9 4. Then multiply the numerator by 3.14159 because pi or π  is equivalent to 3.14159, -14x 3.14159= -43.982265. To get the radian measure, we will divide -43.98226 by 9. -43.98226/9= -4.88691778
</span>
5 0
3 years ago
Read 2 more answers
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