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Scrat [10]
3 years ago
9

Pick the expression that matches this description:

Mathematics
1 answer:
inysia [295]3 years ago
4 0

Answer: Choice D,  -5x^3 + 8

A binomial consists of two terms being added or subtracted. The two terms are -5x^3 and 8. The term -5x^3 has a leading coefficient -5 and exponent 3. The largest exponent determines the degree of the polynomial. The 8 is constant as there are no variables attached or multiplying with it.

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Find the area of the circle to the nearest whole number, if necessary!
astra-53 [7]

Answer:

The circle has an area of about 1385 square mm.

Step-by-step explanation:

Let's recall that circles have an area that can be found with the following formula:

A=\pi r^{2}

where r is the radius of the circle.

Now, focus your eyes on the circle. We are shown that the diameter of this circle is 42 mm, but we only want the radius. Since the radius is half the diameter, the radius is 21 mm. Now, we can solve for the area of the circle.

A=\pi (21)^2\\A=441\pi \\A=1385.44236...

So, to the nearest whole number, the area of the circle is 1385 square mm.

5 0
2 years ago
Write an algebraic expression that models each word phrase four more than a number b
Alisiya [41]
The answer would be the first choice 4+b
5 0
3 years ago
A bakery sells bagels at two different rates. When a customer buys fewer than 12 bagels, each one costs $1.25. When a customer b
Sav [38]

Answer:

1.25b when b < 12 , 1b & then 0.75 b when b <u>> </u>12

Step-by-step explanation:

  • Price for b bagels = Price x Quantity

* Less than 12 bagels bought, cost $1.25 per bagel

So, price for b bagels, when (b < 12) = 1.25b

* 12 or more than 12 bagels bought, cost $1 upto first 12 bagels & 0.75b on each additional bagel

So, price for b bagels, when (b = 12) = b

So, price for b bagels, when (b > 12) = b + 0.75b' , where b' denotes extra b beyond 12

8 0
3 years ago
23/(3+4)-12=??<br> help ;-;
aalyn [17]

Answer:

-4.6

because you add whats inside teh parenthesis then subtract by 12 before dividing by 23

8 0
2 years ago
PLEASE HELP GUYS!! WILL GIVE BRAINLIEST IF CORRECT!!!!
True [87]

3.114

Step-by-step explanation:

Given slope of the line is 1.581,

Mean of the x-coordinate is 5.923,

Mean of the y-coordinate is 12.478

Equation of the line formula is  

y = mx + c

12.478 = 1.581 × 5.923 + c

⇒ 12.478 = 9.364263 + c

⇒ c = 12.478 – 9.364263  

⇒ c = 3.113737

⇒ c = 3.114 (Round off to three decimal places)

Hence, y-intercepts of the line to three decimal places is 3.114.

8 0
3 years ago
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