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siniylev [52]
2 years ago
15

Find the value of 7x+2y when x=2 and y=-9

Mathematics
2 answers:
Varvara68 [4.7K]2 years ago
8 0

Answer:

32

Step-by-step explanation:

7×18+2×18=32

x=14

y=18

Have a great day!

Nostrana [21]2 years ago
6 0
Answer = -4

Step-by-Step Explanation:

Given: x = 2, y = -9

Therefore, substituting the values
= 7x + 2y
= 7(2) + 2(-9)
= 14 + -18
= 14 - 18
= -4
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alexandr402 [8]

Answer:

15/2

Step-by-step explanation:

Hello,

the area of a triangle is b*h/2

we can set BC as the base because AC is harder to calculate.

Then we draw an imaginary height.

There's no way to really explain, but the height would be 5 here, since 3 - -2 = 5

The base is 3

3*5/2 = 15/2

Thanks,

lacampanella

3 0
2 years ago
Pleaseeee helpppp!!!!​
kondor19780726 [428]

The right answer is Option A:x=\frac{rs-t}{2}

Step-by-step explanation:

Given expression is;

s=\frac{2x+t}{r}

We will solve this expression for x, therefore,

Multiplying both sides by r

r*s=\frac{2x+t}{r}*r\\rs=2x+t

Subtracting t from both sides

rs-t=2x+t-t\\rs-t=2x\\2x=rs-t

Dividing both sides by 2

\frac{2x}{2}=\frac{rs-t}{2}\\x=\frac{rs-t}{2}

The right answer is Option A:x=\frac{rs-t}{2}

Keywords: subtraction, division

Learn more about subtraction at:

  • brainly.com/question/1238144
  • brainly.com/question/12497249

#LearnwithBrainly

7 0
3 years ago
6. In the quadratic equation x2 + 8x - 2 = 0, what are the values of a, b, and c?
Sunny_sXe [5.5K]

Step-by-step explanation:

letter b ang sagot sa number 6

3 0
2 years ago
In a video game, you score p game points and b triple bonus points. an expression for your score is p+3b. what is your score whe
Simora [160]
245+3(20)
245+60
So the final score would be 305
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2 years ago
Read 2 more answers
Solve for x. 8/9x=32 Enter your answer in the box. x =
lorasvet [3.4K]

Answer:

x = 36

Step-by-step explanation:

Given;

(8/9)x = 32

Solving for x

Multiply through by 9

(8/9)×9 ×x = 32×9

8x = 32×9

Divide through by 8

8x/8 = 32×9/8

x = 36

6 0
3 years ago
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