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Butoxors [25]
3 years ago
9

100 POINTS PLEASE ANSWER IM BEGGING YOU!!!

Mathematics
2 answers:
Kazeer [188]3 years ago
5 0

Answer:

A (1/7)

Step-by-step explanation:The square root goes into 1 and 49 turning them into 1 and 7, which means it's a real number and u get A.

svetlana [45]3 years ago
3 0

Answer:

1/7

Step-by-step explanation:

If you multiply 1/7 by 1/7 you get 1/49. That is why it is the square root.

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Find an<br> expression which represents the sum of (7x - 8y) and (-6x - 6y) in<br> simplest terms.
grigory [225]

Answer:

\displaystyle (7x - 8y) + (-6x - 6y) = x - 14y

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

<em />\displaystyle (7x - 8y) + (-6x - 6y)<em />

<em />

<u>Step 2: Simplify</u>

  1. Combine like terms (x):                                                                                    \displaystyle (7x - 8y) + (-6x - 6y) = x - 8y - 6y
  2. Combine like terms (y):                                                                                    \displaystyle (7x - 8y) + (-6x - 6y) = x - 14y
3 0
2 years ago
Sophia pays $19.99 membership fee for an online music store. If sophia purchases n songs for $0.99 each write the expression for
Alona [7]

Answer:

The expression for the total cost is x = 19.99 + 0.99n .

Step-by-step explanation:

Let us assume that the total cost be x.

As given

Sophia pays $19.99 membership fee for an online music store.

If sophia purchases n songs for $0.99 each .

Than the expression becomes

Total cost = Membership fee + Cost of n songs

x = 19.99 + 0.99n

Here n represented the number of songs.

4 0
3 years ago
What can be concluded about the sphere? Check all that apply. The sphere has a radius of 10 cm. The diameter measure is substitu
MA_775_DIABLO [31]

Answer: Its C and E on engenuity

Step-by-step explanation:

The radius is half the diameter.

The volume of the sphere is two-thirds the volume of a cylinder with the same radius and height.

4 0
3 years ago
Read 2 more answers
Which of the following is equivalent to 60 g?​
guajiro [1.7K]

Answer:

The number of cups that are equivalent to 60 grams varies based on what is being measured.

Step-by-step explanation:

j

5 0
3 years ago
David weighs 20 pounds more than katie while jonathan weighs 120 pounds less than three times katie's weight if david and jonoth
ladessa [460]
D = k + 20
j = 3k - 120
d = j

k + 20 = 3k - 120
20 + 120 = 3k - k
140 = 2k
140/2 = k
70 = k.....so Katie weighs 70 lbs

David and Johnathan each weigh 90 lbs
3 0
3 years ago
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