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3 years ago

What is the product of 9200 and 2.3 times 10^3

Mathematics

1 answer:

AleksandrR [38]3 years ago

7 0

I think it’s 20, 700, 000.

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Construct the triangle ABC using as coordinates of its vertices points A(−3, 0), B(4, 5), C(0, −4). Find the coordinates of inte

Mnenie [13.5K]

Plot all points on the coordinate plane and combine these points by lines to get triangle ABC (see attached picture for details).

Write the equation of side AB:

$\dfrac{x-(-3)}{4-(-3)}=\dfrac{y-0}{5-0} ,\\ \\\dfrac{x+3}{7}=\dfrac{y}{5},\\ \\y=\dfrac{5}{7}x+\dfrac{15}{7}.$

To find y-intercept you have to substitute x=0, then:

$y=\dfrac{5}{7}\cdot 0+\dfrac{15}{7}=\dfrac{15}{7}=2\dfrac{1}{7}.$

The point $\left(0,2\dfrac{1}{7} \right)$ is the point where line AB intersects y-axis.

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3 years ago

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maxonik [38]

5,000,000 is how you write 5 million

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3 years ago

Based on the lesson, Identify the first operation needed to solve the following equation.

mezya [45]

Answer:

multiply

Step-by-step explanation:

you multiply both sides of the equation by 3

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4 years ago

Read 2 more answers

Find the indicated probability.

emmainna [20.7K]

Answer:

P(A or B) = 0.9.

Step-by-step explanation:

This is a question of Venn probabilities.

We use the following relation to solve this question.

$P(A \cup B) = P(A) + P(B) - P(A \cap B)$

The exercise states that:

$P(A) = 0.7, P(B) = 0.6, P(A \cap B) = 0.4$

Then

$P(A \cup B) = P(A) + P(B) - P(A \cap B) = 0.7 + 0.6 - 0.4 = 0.9$

The answer is:

P(A or B) = 0.9.

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3 years ago

What is the answer to this o.428

Anettt [7]

Answer:

0.428o

Step-by-step explanation:

hope this helps

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3 years ago