Is x^4+3x^3-x+7 in standard form

Mathematics

2 answers:

irakobra [83]2 years ago

7 0

Answer:

yes

Step-by-step explanation:

VARVARA [1.3K]2 years ago

5 0

Answer:

yes

Step-by-step explanation:

The standard form of a polynomial has the exponents decreasing left to right. Here, the exponents are 4, 3, 1, 0, so are decreasing left to right. The expression is in standard form.

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What is the decimal equivalent of ⅞? *<br> 4 points<br> 0.780<br> 0.870<br> 0.875<br> 0.885

Lubov Fominskaja [6]

Answer: 0.875

Step-by-step explanation: How I got this answer is I used Division, (7 ÷ 8= 0.875)

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~IFoundJiminsLostJams~

4 0

2 years ago

Read 2 more answers

you are traveling to an island that is accesible only by boat. you plan to take one boat there and a different boat back. You'll

weqwewe [10]

$\text{Answer: }\text{Distance traveled by steamboat}=20\text{ knots}\\\text{Distance traveled by yacht }=20+20=40\text{ knots}$

Step-by-step explanation:

Since we have given that

Time taken by steamboat makes the trip=5 hours

Time taken by yacht makes the trip =2.5 hours

Since we have also given that

the yacht is 20 knots faster than the steamboat,

So let the speed of steamboat be x

Let the speed of yacht be x+20

Now, we have given that both boats will travel the same distance ,

So,

$\text{Distance traveled by steamboat}=\text{ Distance traveled by yacht}\\\\x\times 5=(x+20)\times 2.5\\\\5x=2.5x+50\\\\5x-2.5x=50\\\\2.5x=50\\\\x=\frac{50}{2.5}\\\\x=20\text{ knots}$