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Alecsey [184]
3 years ago
13

Another oneeeeeeeeeeeeeeeeee

Mathematics
2 answers:
Inessa05 [86]3 years ago
6 0

Answer:

c

Step-by-step explanation:

pick me as the brainlist

aalyn [17]3 years ago
6 0

Answer:

B. The student multiplied 380 by \frac{19}{20}.

Step-by-step explanation:

In the equation -\frac{3}{4}y - \frac{1}{5}y = 380, we can further evaluate the equation into:

-\frac{19}{20}y = 380

To find y, we need to multiply 380 by the inverse of the fraction on the other side, which is -\frac{20}{19}. However, the students multiplied 380 by \frac{19}{20} to get 361. Thus, this was the mistake.

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A number x plus 23 is fewer than 24
pychu [463]

Answer:

Step-by-step explanation:

To translate statements into expressions and equations:

1) Identify __KEY__ __WORDS____ that indicate the operation. 2) Write the numbers/variables in the correct order.

The SUM of _____5_______ and ______8______: _____5 + 8_____ The DIFFERENCE of ___n_____ and ____3______ : _____n – 3______ The PRODUCT of ____4______ and ____b – 1____: __4(b – 1)___

The QUOTIENT of ___4_____ and ____ b – 1_____: 4 ÷ (b – 1) or Write each verbal phrase as an algebraic expression.

                                  1.thesumof8andt 8+t 3.theproductof5andb 5b

LESS THAN

MORE THAN

2.thequotientofgand15 4.thedifferenceof32andx 32-x

SWITCH THE the first number subtracted

                ORDER OF THE TERMS!

from the second! 5. Eightmorethanx _x-8_

Write the phrase five dollars less than Jennifer earned as an algebraic expression.

6. Sixlessthanp __p-6___

   Key Words five dollars less than Jennifer earned Variable Let d represent # of $ Jennifer earned Expression d–5 6. 14lessthanf f-14

8. 3 more runs than Pirates scored P + 3 10. Arthur is 8 years younger than Tanya

7.pmorethan10 10+p

9. 12 less than some number n – 12

11. Kelly’s test score is 6 points higher than Mike’s

              IS,

equals,

is equal to

Substitute with equal sign. 8. The product of 7 and b is equal to 63.

7b = 63

10. The quotient of x and 7 is equal to 13. x/7 =13

 7. 5 more than a number is 6. n+5=6

9. The sum of r and 45 is 79. r+45=79

               TWICE = DOUBLE = 2 times a number = multiply by 2

  Addition Phrases

     Expression

  Subtraction Phrases

     Expression

   8 more than a number

The sum of 8 and a number x increased by 8

the total of x and 8

 x+8

The difference of r and 6

r decreased by 6

6 less than a number

6 subtracted from a number

 r-6

  Multiplication Phrases

     Expression

  Division Phrases

     Expression

   Twice a number

The product of 2 and n

2 multiplied by a number 2 times a number

   2n

 The quotient of z and 3 A number divided by 3 The ratio of z and 3

        Practice: Underline key words. Write each phrase as an algebraic expression or equation.

 11.

13.

15.

18.

20.

Translate each expression or equation into a word expression or statement.

22) 23) 24)

9y the product of 9 and number y________________ x – 8 = 14 _8 less than a number is 14.__

= 24 __the quotient of y and 12 is 24___

Sevenlessthananumberis15 n–7=15 7 less than m m – 7

12. Thetotalof5andc 5+c

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21. (– 65) is 5 times a product of 5 and a number

the score increased by 8 points s + 8 17morethansomenumberis57 n–17=57 twice as many points as Bob has 2B

-65 = 5(5n)

     

Writing Two-Step Expressions and Equations less than twice a number Six x is four Two less than the quotient of 15 and a number 2x–6=4 –2=15

  Nine times a number decreased by four

9n–4

Five times the sum of six and some number

5(6+n)

Twice the difference of y and three

2 ( y – 3)

The sum of 5 and product of 7 and x

5+7x 9–

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12. Ten less than the quotient of a number and −2 is three ___         – 10 = 3_______ 13. 7(b + 2) _The product of 7 and the sum of b and 2_

YOU MUST USE PARENTHESES for · or ÷ THE (SUM) or (DIFFERENCE)!

The quotient of 7 and d decreased by 9

– 9

    The difference of 9 and the quotient of s and –4

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The sale price of an item is four-fifths the original price of the item, x.
MrRissso [65]

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Answer:

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Step-by-step explanation:

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