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True [87]
2 years ago
15

What is the standard form of 3+5x-4x^2and what is the standard form of 8x+x+5+x^3​

Mathematics
1 answer:
harina [27]2 years ago
4 0

Answer:

1. -4x^2 + 5x + 3

2. x^3 + 9x + 5

Step-by-step explanation:

hope this helps

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1. from 24 books to 44 books
Anika [276]
I think it’s a 55% increase
7 0
3 years ago
The lengths of the sides of a triangle are given below. Classify the triangle as acute, obtuse, or right.
abruzzese [7]

Answer:

  • A. Acute Triangle

Step-by-step explanation:

<u>Lets verify with Pythagorean:</u>

  • 17² = 289
  • 13² + 14² = 169 + 196 = 365
  • 289 < 365

The angle opposite to a greater side is less than 90° and the sum of the squares are close.

It means all three angles<u> are less than 90°</u>.

With this the triangle is <u>acute</u>.

Correct choice is A.

6 0
2 years ago
I need help with this V-4=v+2+7v-42 ??
zubka84 [21]

Answer:

\boxed{\bold{v \ = \ \frac{36}{7}}}

Step-by-step explanation:

Subtract v from both sides

\bold{v-4-v=v+2+7v-42-v}

Simplify

\bold{-4=2+7v-42}

Switch sides

\bold{2+7v-42=-4}

Group like terms

\bold{7v+2-42=-4}

Subtract the numbers: 2 - 42 = -40

\bold{7v-40=-4}

Add 40 to both sides

\bold{7v-40+40=-4+40}

Simplify

\bold{7v=36}

Divide both sides by 7

\bold{\frac{7v}{7}=\frac{36}{7}}

Simplify

➤ \bold{v=\frac{36}{7}}

5 0
3 years ago
If 1 mile is approximately 1610 meters, which is closest to the number of miles in 10,000
Aleonysh [2.5K]

Answer:

10,000 Miles is 16,100,000 meters. Hope I helped!

Step-by-step explanation:

1610 x 10,000 =

16,100,000

8 0
3 years ago
Read 2 more answers
In​ 2000, 54% of the residents in a large city regularly used newspapers for getting news and this has decreased at an average r
Anika [276]
X=number of years after 2000.
y=percentage of residents (still) reads newspapers for information
initial value (= y-intercept) = percentage in 2000 = 54%
slope = increase each year = -1.7% (because it is a decrease)
the slope intercept form of the equation is therefore:
y=slope(x)+initial value, or
y=-1.7x+54   (in %)
3 0
3 years ago
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