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devlian [24]
2 years ago
9

15 POINTS AND BRAINLY IF RIGHT ANSWER

Mathematics
2 answers:
Lina20 [59]2 years ago
6 0

Answer:

An expression is a number, a variable, or a combination of numbers and variables and operation symbols. An equation is made up of two expressions connected by an equal sign.

16−6=10 This is an equation—two expressions are connected with an equal sign.

2. 4⋅2+1 This is an expression—no equal sign.

3. x÷25 This is an expression—no equal sign.

4. y+8=40 This is an equation—two expressions are connected with an equal sign.

Hope this helps! :)

KonstantinChe [14]2 years ago
3 0

Answer: An equations is a number, a variable, or a combination of numbers and variables and operational symbols. An equation is made up of two expressions connected by an equal sign.

Example Expression: 8x+5y-3x-5

Example Equation: 5x-4=x

Hope this helps a little bit:)

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1. Which expressions below are equivalent to 2(2x + 1)? Select all that apply.
GarryVolchara [31]

Answer:

4x+2

Step-by-step explanation:

2(2x+1)

4x +2

you distribute the the 2

3 0
3 years ago
Read 2 more answers
If anyone can check my work for me that would be greatly appreciated I'm having trouble.
krek1111 [17]
The answer is -13. Solution: = |-4b - 8| + |-1 - b^2| + 2b^3 = |-4(-2) - 8| + |-1 - -2^2| + 2(-2)^3 = |8-8| + |-1+4| + 2(-8) = |0| + |3| + (-16) = -13
8 0
2 years ago
300% of what number 90?
GenaCL600 [577]

The answer is 90 is 300% of 30



6 0
3 years ago
An assembly line inspector inspected 340 machine parts. 323 of the parts passed inspection. What percent of the machine parts di
tester [92]

Answer:

5% did not pass inspection

Step-by-step explanation:

Given

Inspected= 340

Passed = 323

Required

Determine the percentage of parts that didn't pass inspection.

First, we need to calculate the number of those that didn't pass inspection.

Failed = Inspected - Passed

Failed = 340 - 323

Failed = 17

Next, we calculate the percentage as follows:

\% = \frac{Failed}{Inspected} * 100\%

The above formula is derived by dividing the number of parts that didn't pass inspection by the total machine inspected, then multiplied by 100%

So:

\% = \frac{17}{340} * 100\%

\% = \frac{17 * 100\%}{340}

\% = \frac{1700\%}{340}

\% = 5\%

<em>5% did not pass inspection</em>

6 0
3 years ago
7. Blake made a rectangular table for his dining room. The sides of the table are 12 feet and 4 feet. What is the
Naddik [55]

Answer: 12.65.

Step-by-step explanation:

8 0
3 years ago
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