3 years ago

Change the word phrase to an algebraic expression. Use x as the variable to represent the number.

Mathematics

1 answer:

Igoryamba3 years ago

4 0

Answer:

x-23

Step-by-step explanation:

if the number is x then you want to take 23 away so you have x-23

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Create a scenario for y=3x+4 will mark brainliest

Andrew [12]

Answer:

y=10

Step-by-step explanation:

x=2

3x2= 6

6+4 = 10

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3 years ago

One cold night the temperature was 0 degrees at 8 p.m. The temperature dropped at a constant rate from 8 p.m. to midnight. At mi

Elena L [17]

-16.8 = m(4)

-16.8 / 4 = -4.2

So the constant rate is -4.2.

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3 years ago

Yoshi multiplied -6.2 by -0.14. His result was -0.868. Which statement likely describes the error he made in his calculation?

Digiron [165]

Step-by-step explanation:

The answer is letter B. Negative and Negative is Positive.

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3 years ago

2(x-3)=7x-31<br><br> 3x-2 (x+5)=-3+18<br><br> Please show your work

vredina [299]

2(x-3)=7x-31
2x-6=7x-31
-7x -7x
----------------
-5x-6=-31
+6 +6
--------------
-5x=-25
Divide by -5
x=5

3x-2(x+5)=-3+18
15
3x-2(x+5)=15
3x-2x-10=15
x-10=15
+10 +10
--------------
x=25

3 0

3 years ago

List the following numbers in order from least to greatest. a) 3.5× 10/3 B) 3.5× 10-2 C) 5.3 × 10/3

Crazy boy [7]

Answer:

$3.5*10^{-2}, 3.5*10^3, 5.3*10^3$

B, A, C

Step-by-step explanation:

This is scientific notation. The numbers $3.5 * 10^3\\3.5 *10^{-2}\\5.3 * 10^3$ can be ordered least to greatest by looking at their digits and exponents. Since a -2 as an exponent is present, this means this is a small decimal and is the least. 3.5 and 5.3 have the same exponent of 3 but 5.3 is greater than 3.5 so its the greatest. The order is

$3.5*10^{-2}, 3.5*10^3, 5.3*10^3$

5 0

3 years ago