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Zielflug [23.3K]
3 years ago
6

"absmiddle" class="latex-formula">
Mathematics
1 answer:
zysi [14]3 years ago
7 0

Equation: 5x^2+x-7

Since there aren't any like terms and it can't be factored, your answer would be:

5x^2+x-7

Hope this answer helped you!

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A construction crew built 514 miles of road in 412 days. What is the unit rate in miles per day? Write your answer as a fraction
geniusboy [140]

Answer:

R=\dfrac{257}{206}\ \text{miles/day}

Step-by-step explanation:

Given that,

Distance, d = 514 miles

Time, t = 412 days

We need to find the unit rate in miles per day. Its rate is given calculated by dividing distance and time as follows :

R=\dfrac{514\ \text{miles}}{412\ \text{days}}\\\\R=\dfrac{257}{206}\ \text{miles/day}

So, the unit rate is \dfrac{257}{206}\ \text{miles/day}.

5 0
3 years ago
Is this right?????? or not if it's not what's the correct answer (mark brainiest)
Agata [3.3K]

Answer:

Yes.

Step-by-step explanation:

You always do the operations in parenthese first.

"The order of operations is a rule that tells the correct sequence of steps for evaluating a math expression. We can remember the order using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)." -khanacademy . org > ...> order of operations

4 0
2 years ago
Read 2 more answers
A rectangular prism is 4 meters long, 5 meters wide, and has a height of 7 meters. What is its surface area?
Elis [28]
The surface area is all the areas of all the exterior faces in a 3D shape.

Doing all the possibilities, 4 * 5 * 2 , 5 * 7 * 2, 4 * 7 * 2 = total surface area
40 + 70 + 56 = 166 m^2

The answer is 2. 166 m^2

6 0
3 years ago
Robert says 12 divide by 3//4 = 9. He used the following steps: 12/1 × 3/4 = 36/4 What error did Robert make? A. Robert used sub
wlad13 [49]

Answer:

C and D are the same answers but one of those.

Step-by-step explanation:

Um, I got what Robert got, so by process of elimination, it must be C or D. I used multiplication, so it wasn't subtraction or addition. Meaning whatever a reciprocal is, I didn't do that.

8 0
3 years ago
Write in verbal expression. m-14=44?
Alborosie
A number m minus 14 equals 44
8 0
4 years ago
Read 2 more answers
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