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ad-work [718]
2 years ago
10

2x + 8 - 3x = 3 What is x and please show your work

Mathematics
2 answers:
Nitella [24]2 years ago
7 0
So what you will need to do is subtract 2x - 3x = -x, then subtract three from both sides 8 - 3 and the answer will be -x + 5
Norma-Jean [14]2 years ago
3 0
Hopefully this helps!

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Write the product in its simplest form:<br> 7xy3 . (-9xy)
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The answer would be
-63x^2y^3
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The measure of an angle is 56°. What is the measure of its supplementary angle?
allsm [11]

Answer:

Step-by-step explanation: Supplemenatry equal 180 degrees so if you know one find the other

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What is 7x5 and ummmmmm
JulijaS [17]

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2 years ago
Read 2 more answers
John had a bag of marbles as shown below.
Montano1993 [528]

Answer:

\sf A) \quad \dfrac{9}{100}

Step-by-step explanation:

Given:

  • 3 green marbles
  • 4 blue marbles
  • 2 red marbles
  • 1 yellow marble

Total number of marbles = 3 + 4 + 2 + 1 = 10

\sf Probability\:of\:an\:event\:occurring = \dfrac{Number\:of\:ways\:it\:can\:occur}{Total\:number\:of\:possible\:outcomes}

Probability of selecting a green marble on first pick:

\implies \sf P(green\:marble)=\dfrac{3}{10}

Probability of selecting a green marble on second pick:

\implies \sf P(green\:marble)=\dfrac{3}{10}

(as the 1st pick was replaced)

Therefore,

\implies \textsf{P(green marble) and P(green marble)} \sf =\dfrac{3}{10} \times \dfrac{3}{10}=\dfrac{9}{100}

7 0
2 years ago
1. Write the expression:
Svetlanka [38]

Complete question is;

A rocket ship is travelling at an average speed of 1.75 × 10⁴ miles per hour. How many miles will the rocket ship travel in 1.2 × 10² hours?

1. Write the expression:       (1.75 × 10⁴)(1.2 × 10²)

2. Rearrange the expression:     (1.75 × 1.2)(10⁴ × 10²)

3. Multiply the coefficients:      (2.1)(10⁴ × 10²)

4. Apply the product of powers:    2.1 × 10^(y)

The rocket ship will travel 2.1 × 10^(y) miles. What is the value of y in the solution?

Answer:

Distance travelled by rocket ship = 2.1 × 10^(6) miles

y = 6

Step-by-step explanation:

1. The written expression;

(1.75 × 10⁴)(1.2 × 10²)

2. The rearranged expression is;

(1.75 × 1.2)(10⁴ × 10²)

3. Let's multiply the coefficient which is the first bracket to get;

2.1(10⁴ × 10²)

4. Applying the product of powers means we will add the powers of ten which are 4 and 2.

Thus; 2.1(10^(4 + 2)) = 2.1 × 10^(6) miles

Comparing to 2.1 × 10^(y), we have;

y = 6

4 0
2 years ago
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