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3 years ago

Rita read a book with 973 pages in one week. if she read the same number of pages each day how many pages did rita read each day

Mathematics

1 answer:

Ede4ka [16]3 years ago

5 0

973 pages divided by 7 days in the week equals 139 pages each day.

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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

Tyrone has 8.06 how many bagels can he buy if each bagel costs 0.65

Aleonysh [2.5K]

8.06 divided by 0.65

7 0

3 years ago

Read 2 more answers

Kalen wrote 60:20 or 3:1 on his paper.what comparison statment would describe the ratios that he wrote?

shepuryov [24]

Answer:

3 teddy bears for each cookie he has.

6 0

3 years ago

For a circle with a radius of 15 cm, what is the length of an arc intercepted by an angle measuring 120°?

slega [8]

Answer: 31.43 cm

Step-by-step explanation:

The length of an arc is calculated using the formula:

$\frac{theta}{360}$ X 2 $\pi$ r

where : theta is the angle in degree

r = radius

If the angle is given in Radian , the length can be calculated using the formula:

L = r∅

Since , the angle is given in degree , we will use the first formula.

L = $\frac{theta}{360}$ X 2 $\pi$ r

L = $\frac{120}{360}$ X 2 X π X 15

L = $\frac{1}{3}$ X 2 X $\frac{22}{7}$ X 15

L = $\frac{660}{21}$

L = 31.42857143

L ≈ 31.43 cm

5 0

3 years ago

a. If a rabbit can move 7/5 miles every hour, then how many hours would it take for a rabbit to go 7 miles?

sergeinik [125]

5 hours because 7/5 *5/1=35/5 and 35 divided by 5 equals 7

3 0

4 years ago