F(x) = - 2x² – 12x

Round 425 to the nearest ten and to nearest hundred

Sladkaya [172]

Answer:

430;400

Step-by-step explanation:

So tenth is the 2.. 5 makes it go to 3 430

hundred we look to change 4 so we look at tenths 2 is less than 5 so it stays the same 400

6 0

4 years ago

Write a simplified polynomial expression to represent the area of the rectangle

Shtirlitz [24]

The answer is A = 2x² + 6x - 20

The area of the rectangle is:
A = l * w

l = x + 5
w = 2x - 4

A = (x + 5)(2x - 4)

Use the distributive property to calculate this:
A = (x + 5)(2x - 4)
A = x * 2x + x * (-4) + 5 * 2x + 5 * (-4)
A = 2x² - 4x + 10x - 20
A = 2x² + 6x - 20

8 0

3 years ago

Type a digit that makes this statement true.

posledela

The possible digits that will make 14, 213, 1__2 to be divisible by 4 are;

1, 3, 5, 7 and 9

<h3>Divisibility of Numbers</h3>

We are given the digit as 14, 213, 1__2.

Now, we see that the first of the last two digits is blank and for the give digit 14, 213, 1__2 to be divisible by 4 then the last two digits must be divisible by 4.

Now, since the last 2 digits must be divisible by 4, then it means any singe digit odd number we put in the blank space will yield a combined digit that is divisible by 4. Let us check them;

For 1; 14, 213, 112 ÷ 4 = 3, 553, 278

For 3; 14, 213, 132 ÷ 4 = 3, 553, 283

For 5; 14, 213, 152 ÷ 4 = 3, 553, 288

For 7; 14, 213, 172 ÷ 4 = 3, 553, 293

For 9; 14, 213, 192 ÷ 4 = 3, 553, 298

Read more about divisibility of numbers at; brainly.com/question/24672369

7 0

3 years ago

Read 2 more answers

Shaunnie and Marlon missed the lesson on exponents. Shaunnie incorrectly wrote 10⁵ = 50 on her paper, and Marlon incorrectly wro

Jobisdone [24]

a. Shaunnie's mistake was that she multiplied 10 times 5. When you multiply 10x5, it is the same as 10+10+10+10+10. However, the question asked about 10⁵. 10⁵ means 10 to the fifth power which is the same as 10x10x10x10x10. She needs to multiply 10 to itself, ten times. This equals 1,000,000.

b. Marlon made the mistake of not moving the decimal point. Marlon added the two zeros to the end when he multiplied 2.5 to 10² because 10² is the same as 100. However, when multiplying with a decimal, the decimal needs to move as well. He needs to move the decimal place to the right two places. His answer should be 250. The last zero is dropped because it is to the right of the decimal and not followed by another number.

<h3>Further Explanation</h3>

Numbers to the nth power.

When a number has a power as in 10², this means that you multiply that number by itself however many times the power indicates. A number to the 29th power would be multiplied by itself 29 times.

Multiplying Decimals

When multiplying decimals, it is important to remember to shift the decimal to the correct place. A number multiplied by ten moves the decimal one place to the right. A number multiplied by 100 moves the decimal two places to the right. A number multiplied by 1000 moves the decimal three places to the right. A trick for remembering is the number of zeros in 10, 100, or 1000. For each zero, move the decimal

<h3>Answer Details</h3>

Subject: Math

Level: Middle School

Topic: Powers

<h3>Keywords</h3>

powers, multiplication, multiplying with decimals

<h3>Learn More</h3>

Checking decimal multiplication: brainly.com/question/923608

Math Powers: brainly.com/question/100928

3 0

3 years ago

Read 2 more answers