Math, asked by jacypauls90, 1 year ago

PLEASE HELP WILL MARK BRAINIEST IF 100% RIGHT
1.) Use the distributive Property to simplify the expression .
(-1)(4 - c)
A. 4 - c
B. -4 + c
C. 4 + c
D.-4 - c

2.)Use the distributive Property to simplify the expression
4(2x - 4)
A.8x + 4
B.8x - 4
C.8x - 16
D.4x - 16

3.) Use the distributive Property to simplify the expression
(10 + 4y) 1/2
A. 5 + 2y
B. 20 + 8y
C. 5 + 4y
D. 10 +2y

4.) To which subsets of real numbers does the number - 22 belong ? Choose all that apply (2 points)

A.Whole numbers
B.Rational numbers
C. Integers
D. Irrational numbers
E. Natural numbers

5.)What is an algebraic expression for the following word phrase: "6 times the difference of b and p" ?

A. 6b - p
B. 6(b - p)
C. 6 - bp
D. 6bp

6.)What is the simplified form of the expression ?

5(14 - 2)^2
------------------
2

A. 60
B. 30
C. 72
D. 360

7.) Evaluate u + xy, if u = 18, x = 10, and y = 8

A.188
B.36
C.98
D.224

8. A square field has an area of 479 ft^2 . What is the approximate length of a side of the field ? Give your answer to the nearest foot . Explain your response .

9. Simplify the expression (7 + 5) + 4 x 13 - 2 Show work .

Answers

Answered by lublana
24

1.) Use the distributive Property to simplify the expression .

(-1)(4 - c)

A. 4 - c

B. -4 + c

C. 4 + c

D.-4 - c


Answer:

-1(4-c)

=-1*4-1*-c

=-4+c

Hence choice B is correct.

-------------------


2.)Use the distributive Property to simplify the expression

4(2x - 4)

A.8x + 4

B.8x - 4

C.8x - 16

D.4x - 16


Answer:

4(2x-4)

=4*2x-4*4

=8x-16

Hence choice C is correct.

-------------------


3.) Use the distributive Property to simplify the expression

(10 + 4y) 1/2

A. 5 + 2y

B. 20 + 8y

C. 5 + 4y

D. 10 +2y


Answer:

(10 + 4y) 1/2

=10*1/2 + 4y*1/2

=5 + 2y

Hence choice A is correct.

-------------------


4.) To which subsets of real numbers does the number - 22 belong ? Choose all that apply (2 points)


A.Whole numbers

B.Rational numbers

C. Integers

D. Irrational numbers

E. Natural numbers


Answer:

-22 is a whole number.

-22 can be written as -22/1 so it is rational

It is also integer.

Not natural or irrational

Hence choice A,B,C are correct.

-------------------



5.)What is an algebraic expression for the following word phrase: "6 times the difference of b and p" ?


A. 6b - p

B. 6(b - p)

C. 6 - bp

D. 6bp


Answer:

6(b-p)

Hence choice B is correct.

-------------------



6.)What is the simplified form of the expression ?


5(14 - 2)^2

------------------

2


A. 60

B. 30

C. 72

D. 360


Answer:

\frac{5(14-2)^2}{2}

=\frac{5(12)^2}{2}

=\frac{5\cdot144}{2}

=5*72

=360

Hence choice D is correct.

-------------------



7.) Evaluate u + xy, if u = 18, x = 10, and y = 8


A.188

B.36

C.98

D.224


Answer:

u+xy= 18+10*8=18+80=98

Hence choice C is correct.

-------------------


8. A square field has an area of 479 ft^2 . What is the approximate length of a side of the field ? Give your answer to the nearest foot . Explain your response .


Answer:

Area=479

x^2=479

x=21.8860686282

Which is approx 22 feet.

Hence choice D is correct.

-------------------


9. Simplify the expression (7 + 5) + 4 x 13 - 2 Show work .


Answer:


(7 + 5) + 4 x 13 - 2

=12 + 4 x 13 - 2

=12 + 52 - 2

=64 - 2

=62

Hence final answer is 62.

Answered by BrainlyBAKA
2

  • -1(4-c)
  • =-1*4-1*-c
  • =-4+c
  • Hence choice B is correct.

-------------------

  • 4(2x-4)
  • =4*2x-4*4
  • =8x-16
  • Hence choice C is correct.

-------------------

  • (10 + 4y) 1/2
  • =10*1/2 + 4y*1/2
  • =5 + 2y
  • Hence choice A is correct.

-------------------

  • -22 is a whole number.
  • -22 can be written as -22/1 so it is rational
  • It is also integer.
  • Not natural or irrational
  • Hence choice A,B,C are correct.

-------------------

  • 6(b-p)
  • Hence choice B is correct.

-------------------

  • 5(14 - 2)^2

------------------

  • = {5(12)^2}/{2}
  • = 5⋅144/2
  • =5*72
  • =360

  • Hence choice D is correct.

-----------------

  • u+xy= 18+10*8=18+80=98

  • Hence choice C is correct.

----------------

  • Area=479
  • x^2=479
  • x=21.8860686282
  • Which is approx 22 feet.
  • Hence choice D is correct.

------------------

  • (7 + 5) + 4 x 13 - 2
  • =12 + 4 x 13 - 2
  • =12 + 52 - 2
  • =64 - 2
  • =62

  • Hence final answer is 62.

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