3 years ago

Identify the statement as an expression or an equation. 3(4x - 12) 2 4(x - 3)

Mathematics

1 answer:

Assoli18 [71]3 years ago

4 0

Answer:

expression

Step-by-step explanation:

An expression is a number, a variable, or a combination of numbers and variables and operation symbols. An equation is made up of two expressions connected by an equal sign.

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Find the Center and the radius of the circle x2 + y2 - 6x + 8y- 7 = 0.

777dan777 [17]

Answer:

C(3,-4), r=4*sqrt(2)

Step-by-step explanation:

C(p, q)

x^2+y^2+dx+ey+f=0

p=-d/2, q=-e/2, r^2=p^2+q^2-f

x^2+y^2 - 6x+8y-7=0

p=-(-6)/2=6/2=3

q=-8/2=-4

r^2=3^2 +(-4)^2+7

r^2=9+16+7

r^2=32

r=sqrt(32)

r=sqrt(16*2)

r=4*sqrt(2)

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3 years ago

If I get 100 dollars a week for four months how much will I have

Gre4nikov [31]

Answer:

1600 dollars

Step-by-step explanation:

Find out how much you earn a month

1 month = 4 weeks

1 month = 100 x 4 = 400 dollars

Now find out 4 months

4 months = 400 x 4 = 1600 dollars

4 0

3 years ago

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Unit 3 | Lesson 11 Unit Assessment: Multiplication and Division Test, Part 1 Question Navigator 1. (3 pt) Multiply. (–8) •

CaHeK987 [17]

(–8) • (12)= - 96
the answer is -96

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3 years ago

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cestrela7 [59]

Answer:

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Step-by-step explanation:

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3 years ago

Liwen and Celina shared some plants in a ratio of 5:6. Celina decided to give Liwen 2/3 of her plants, which left her with 21 fe

djyliett [7]

Answer: 231

Explanation:

Liwen Celina

5x 6x

5x - 21 = $(\frac{2}{3})$ 6x

5x - 21 = 4x

-4x +21 -4x +21

x = 21

Liwen: 5x = 5(21) = 105

Celina: 6x = 6(21) = 126

Total: 231

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3 years ago