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3 years ago

Which of these is a simplified form of the equation 9p + 3 = − p + 7 + 2p + 3p?

Mathematics

2 answers:

Damm [24]3 years ago

7 0

Answer:

15p=10

Step-by-step explanation:

I think but im not 100%sure

coldgirl [10]3 years ago

5 0

5p=4

hope that helps

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10 (2+3)-83 what’s the answer ?

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The answer for the question is -33

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Some group insurance plans cover ordinary doctor visits and dental work. true or false

Ede4ka [16]

True, but not many. Insurance companies typically have a cap off so the client doesn't go in let's say every week for a check up to see if they grew an inch. This is form personal experience in reading into the fine print.

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Sinker is a weight used by fishermen. A fisherman uses a sinker in the shape of a sphere with radius 0.750.75 cm. The sinker is

omeli [17]

Answer:

Mass m = 20.04 grams

Correct question;

Sinker is a weight used by fishermen. A fisherman uses a sinker in the shape of a sphere with radius 0.75 cm. The sinker is made of lead, which has density 11.34g/cm^3. What is the mass of the sinker?

Step-by-step explanation:

Mass of an object can be defined as

Mass m = density p × Volume V

Given;

Density of the sinker = 11.34g/cm^3

Radius of the sinker = 0.75 cm

And we know that the volume of a sphere is given as;

V = 4/3 × πr^3

Substituting r, we have;

V = 4/3 × π × 0.75^3

V = 1.767 cm^3

Then we can calculate mass as;

m = pV

m = 11.34×1.767

m = 20.03778 g

m = 20.04 grams

6 0

3 years ago

Can’t remember if already posted need help if possible

andrew11 [14]

Answer:

improper fraction 5/8 same with mixed number

Step-by-step explanation:

hope i got this right sorry if not. was a little confusing.

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3 years ago

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What is the sum of (–2. 1x 3. 7) and (5 4. 9x)? Negative 7. 0 x 8. 7 Negative 2. 8 x 8. 7 2. 8 x 8. 7 7. 0 x 8. 7.

sashaice [31]

Sum of two algebraic expressions is addition of two expressions. The sum of the given expressions is given as: Option B: $2.8x + 8.7$

<h3>What are like terms?</h3>

Those terms which have same variables raised with same powers.

For example, $5x^3$ and $3x^3$ are like terms since variable is same, and it is raised to same power 3.

For example $5x^2$ and $x^3$ are not like terms as the variables are same but powers aren't same.

<h3>What are coefficients?</h3>

Constants who are in multiplication with variables are called coefficients of those variables.

For example, in $10x^2$ we have 10 as coefficient of $x^2$

<h3>When can we add or subtract terms of polynomial by their coefficient's addition or subtraction?</h3>

Suppose we have $5x^2 + 6y$

Since those terms are not like terms, their coefficient won't be add and the expression we've got right now, is its simplest form and cannot be reduced more.

If we have, suppose,

$4x + 5x^2 + 2x$ , then we see that 4x and 2x are like terms, their coefficient can be added and thus, the simplified form would be

$(4+2)x + 5x^2 = 6x + 5x^2$

For the given condition, the needed sum is evaluated as:

$(-2.1x + 3.7) + (5 + 4.9x) = (-2.1 + 4.9)x + 5 + 3.7 = 2.8x + 8.7$

Thus,

The sum of the given expressions is given as: Option B: $2.8x + 8.7$

Learn more about addition of polynomials:

brainly.com/question/4420925

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2 years ago