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Levart [38]
2 years ago
9

I have an exam and I need you to help me

Mathematics
1 answer:
ivolga24 [154]2 years ago
6 0

Answer:

ok we are going to add 3 on both sides:

x/7 = 12

then we are going to multiply by 7 on both sides:

X = 84

You might be interested in
What is 1 × 10 − 3 written in standard form? math
ehidna [41]

Answer:

7

Step-by-step explanation:

When working with order of operations, use the acronym 'PEMDAS' (Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.)

The equation should basically be done in that order.

There are no parenthesis,

no exponents,

But there IS multiplication.

1 x 10 = 10.

So now, what is left over is 10 - 3.

There addition, but there IS subtraction.

10 - 3 = 7.

7 is what is left over.

Therefore, 1 x 10 - 3 in standard form is 7.

8 0
2 years ago
What is the exact distance from (–1, 4) to (6, –2)? (4 points) units units units units
irina1246 [14]

Answer:

\sqrt{85}

Step-by-step explanation:

Calculate the distance d using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = (- 1, 4) and (x₂, y₂ ) = (6, - 2)

d = \sqrt{(6+1)^2+(-2-4)^2}

  = \sqrt{7^2+(-6)^2}

  = \sqrt{49+36}

  = \sqrt{85} ← exact distance

4 0
3 years ago
Can someone help me ? Please thank you
Tom [10]
Correct answer is the 4th choice 16!!!

Hope this helps!!!
7 0
3 years ago
How many solutions does the equation -6y+13+9y=8y-3
Lina20 [59]

Answer:

Single Solution of 3.2 (16/5)

Step-by-step explanation:

3x = 8x -16 <--- I combine like terms.

-5x = -16

-16/-5 = x

x = 3.2

BTW Negative times a Negative equals a positive.

3 0
2 years ago
What is the value of the expression |a + b| + |c| when a = –3, b = 7, and c = –15?
nikdorinn [45]
We know:
|a|=  \left\{\begin{array}{ccc}a&if\ a \ \textgreater \  0\\0&if\ a=0\\-a&if\ a \ \textless \  0\end{array}\right\\\\|2|=2\\|0|=0\\|-3|=3

|a+b|+|c|
substitute a = -3; b = 7; c = -15
|-3+7|+|-15|=|4|+15=4+15=19

3 0
2 years ago
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