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Vinil7 [7]
3 years ago
6

Give an estimate for 42.8 x 13.6

Mathematics
2 answers:
Anton [14]3 years ago
5 0
The answer is and should be: 602
Ksju [112]3 years ago
4 0

round both numbers up then multiply

 43 * 14 = 602

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Solve the following system of equations.What is one x-value of a solution? f(x) = x² + 7x- 24 g(x) = -3x - 40 x = 4 x = -3 x = 3
oksian1 [2.3K]

For the given set of equations, the values of x = -8 and x = -2.

We have, f(x) = x² + 7x- 24 and g(x) = -3x - 40

An Equation is an algebraic statement that shows that two quantities are equal.

For one x-value of a solution,

We equate both the given functions,

Thus, f(x) = g(x)

x² + 7x- 24 = -3x - 40

x^{2} +7x + 3x -24 + 40 = 0

x^{2} +10x + 16 =0

x^{2} + 8x + 2x +16 =0

x(x+8) + 2(x +8) =0

(x+8) (x+2) = 0

x = -8 and x = -2

Hence, Concluding, we have x = -8 and x = -2

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8 0
1 year ago
5y^2-6y-11-6y^2+2y+5
shusha [124]

Answer:

-y² - 4y - 6

Step-by-step explanation:

Step 1: Write expression

5y² - 6y - 11 - 6y² + 2y + 5

Step 2: Combine like terms (y²)

-y² - 6y - 11 + 2y + 5

Step 3: Combine like terms (y)

-y² - 4y - 11 + 5

Step 4: Combine like terms (constants)

-y² - 4y - 6

6 0
3 years ago
If a cube of metal measures 3 cm on each side and has a mass of 216 g what is the density of the metal
ohaa [14]
The formula of density is mass / volume.
So, the volume is equal to the area of the cube by the total height, so the area of the cube is 3x3= 9, and this result multiplied by the height, 9x3 = 27.
Following the formula of density, we have 216 g / 27 cm^3, the result is 8 g/cm^3.
Hope you undestand my procedure XD
4 0
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emmainna [20.7K]
Answer: the cost of mushroom pizza is $2.00 dollars. The cost of chicken pizza is $1.50.

Hope this helped! Can I get Brainliest?
6 0
3 years ago
Solve 3[-x + (2 x + 1)] = x - 1.
svetoff [14.1K]

Answer:

x = -2

Step-by-step explanation:

5 0
3 years ago
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