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Sophie [7]
2 years ago
6

Help!! What is 78,400,000 expressed in scientific notation?

Mathematics
1 answer:
Ludmilka [50]2 years ago
6 0
It's b the number multiplied by 10 must be less than 10
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I need the answer I need help with this question
madreJ [45]
You can print a copy of the graph, stick a pin in the origin, and rotate it 180° to see where the figure ends up.

The origin is the midpoint between each vertex and its image.
Negate every coordinate value, for example, J(-5, -3) gets rotated to J'(5, 3).

3 0
3 years ago
Solve the following system of equations by elimination. What is the value of x? x = 1.5 x = -1.5 x = 8 x = -8
Andru [333]

Using the elimination method, the value of x in the system of equations is calculated as: 8.

<h3>How to Solve a System of Equations by Elimination?</h3>

To solve a system of equations given using the elimination method, do the following:

Multiply 2x - 5y = 1 by 2 and multiply -3x + 2y = -18 by 5 to get the following:

4x - 10y = 2 --> eqn. 1

-15x + 10y = -90 --> eqn. 2

Add

-11x = -88

Divide both sides by -11

x = 8

Learn more about system of equations on:

brainly.com/question/14323743

#SPJ1

8 0
2 years ago
An ant moves forward 18 1⁄2 inches in one hour. It turns around and crawls
zvonat [6]

Answer:

The ant moved 10.75 in after three hours

Step-by-step explanation:

18.5-13.5=5+5.75=10.75

46/8=5.75

7 0
2 years ago
Read 2 more answers
Briainliest Simplify 15√90/√125<br> options<br> 9√2<br> 18√5<br> 18√2/5<br> 27√2/5
nekit [7.7K]

Answer:

9√2

Step-by-step explanation:

simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.

Exact form:9√2

Decimal form: 12.72792206

3 0
2 years ago
Match the graph with its equation.
victus00 [196]

Answer:

<em>B) -7x + 7y = -49</em>

Step-by-step explanation:

This is a y=x plot/line shifted by 7 units.

This can also be verified plugging in the values of x=0,y=-7 and x=7,y=0. The only equation which satisfies these points in Equation B. These points have been chosen as they're the intercepts of this plot.

6 0
3 years ago
Read 2 more answers
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