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Andreyy89
1 year ago
10

In a sentence.

Mathematics
1 answer:
Allisa [31]1 year ago
8 0

Answer:

Kelsey can buy 9 books.

Step-by-step explanation:

If Kelsey wants to buy as much books as possible with 30$, multiply 3$ by 9 (books) which is 27$.

30$-27$ is 3$ so she will have 3$ extra dollars to use for shipping.        2$ is the price for shipping so she will have an extra dollar.

<em>I hope this was helpful! :) (Please rate/heart this if helpful)</em>

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I do not get question 11 please help me!
Inessa [10]

Triangle QRS has 3 congruent sides, so it is equilateral and equiangular.

The sum of the measures of the angles of a triangle is 180 deg, so each angle of triangle QRS is 60 deg.

Angle RQS measures 60 degrees and forms a linear pair with angle PQS. Angles in a linear pair a supplementary. That makes the measure of angle PQS 120 deg. leaving only 60 degrees as the sum of the measures of angles PSQ and SPQ. Triangle PQS is isosceles since sides PQ and QS are congruent. The angles opposite congruent sides of a triangle are congruent, so angle PSQ is congruent to angle SPQ. That means angles PSQ and SPQ measure 30 deg each.

m<PSR = m<PSQ + m<QSR = 30 + 60 = 90

m<PQS = 120

m<PSR : m<PQS = 90 : 120 = 3 : 4

No choice shows the correct answer.

7 0
3 years ago
10y + 10 =130 solve for y
aniked [119]

Answer: y=12

Step-by-step explanation:

10y+10=130

-10 -10

10y=120

—- ——

10. 10

Y=12

5 0
3 years ago
Will Give Brainliest!
jeka57 [31]

Answer:

d ≤ - 7

Step-by-step explanation:

Given

- 38d - 57 ≥ - 19d + 76 ( add 19d to both sides )

- 19d - 57 ≥ 76 ( add 57 to both sides )

- 19d ≥ 133

Divide both sides by - 19, reversing the symbol as a result of dividing by a negative quantity.

d ≤ - 7

5 0
2 years ago
PLEASE HELP ME! Thanks!
stepladder [879]

Answer:

I guess 21 is your answers.

3 0
3 years ago
If DE =22 cm and the radius=14cm, how long is GH?
Nadya [2.5K]
What is GH and DE? is there a picture lol
4 0
3 years ago
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