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3 years ago

8

Claire jogs no more than 20 miles per week. Which inequality represents the number of miles she runs each week? A.x > 20 B.x

< 20 C. x ≥ 20 D.x ≤ 20

1 answer:

Anni [7]3 years ago

8 0

Answer: I’m pretty sure its D

Step-by-step explanation:I will tell you once i finish my test.....

Yes, the correct answer is D. I just finished my test and received a 100.

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(−t 4 −5t 3 −10t 2 )+(9t 3 +3t 2 −1)

klemol [59]

Answer:

$\left(-t^4-5t^3-10t^2\right)+\left(9t^3+3t^2-1\right)=-t^4+4t^3-7t^2-1$

Step-by-step explanation:

Given the expression

$\left(-t^4\:-5t^3\:-10t^2\:\right)+\left(9t^3\:+3t^2\:-1\right)$

Remove parentheses: (a)=a

$=-t^4-5t^3-10t^2+9t^3+3t^2-1$

Group like terms

$=-t^4-5t^3+9t^3-10t^2+3t^2-1$

Add similar elements

$=-t^4-5t^3+9t^3-7t^2-1$ ∵ $-10t^2+3t^2=-7t^2$

Add similar elements

$=-t^4+4t^3-7t^2-1$ ∵ $-5t^3+9t^3=4t^3$

Thus, the equivalent expression in simplified form:

$\left(-t^4-5t^3-10t^2\right)+\left(9t^3+3t^2-1\right)=-t^4+4t^3-7t^2-1$

4 0

3 years ago

31/40 in simplest form

I am Lyosha [343]

Answer:

31/40

Step-by-step explanation:

It cannot be reduced anymore. It is already in simplest form.

5 0

3 years ago

In the figure to the right, AE + DC = 1 1/5 cm, AB = 1 3/4 cm, DE = 1 1/4 cm, and BC = 1 3 /10 cm. Find the perimeter of the fig

pentagon [3]

Answer:

The perimeter of the figure = 9.5 cm

Step-by-step explanation:

<em>Note: You probably missed to add the figure, but after a little research I found and am attaching the figure. I have answered your question based on the reference of that figure. But, I hope you would learn the concept so that you could solve any question based on this concept. So, please check the figure.</em>

<em>Solution:</em>

The perimeter of the figure is the sum of all the sides of the given figure as shown in the attached figure.

So, here is the formula to calculate the perimeter.

<em>Perimeter </em>=<em> AB + DE + BC + AE + BC </em>

As AE + DC = 1 1/5 cm, AB = 1 3/4 cm, DE = 1 1/4 cm, and BC = 1 3/10 cm

Therefore,

<em>Perimeter</em> = 1 3/4 + 1 1/4 + 13/10 + 1 1/5 ∵ AE + BC = 1 1/5

= (130 + 110 + 52 + 88) / 40

= 380/40

= 9.5 cm

So, the perimeter of the figure is = 9.5 cm

Keywords: perimeter

Learn more about perimeter of polygon from brainly.com/question/13393967

#learnwithBrainly

5 0

3 years ago

Read 2 more answers

the subway train can hold a 792 people on Tuesday 56941 people rode the subway how many trains could 56941 people how many peopl

zubka84 [21]

Answer:

56,149 would be left over

Step-by-step explanation:

56,941-792=56,149

3 0

3 years ago

The next model of a sports car will cost 5.8% more than the current model the current model cost 31,000 how much will the price

iren2701 [21]

Answer:

1798 and 32798

Step-by-step explanation:

31000/100=310

310x5.8=1798

8 0

3 years ago