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Nadusha1986 [10]
4 years ago
12

Can somebody help me with this math problem?

Mathematics
1 answer:
ankoles [38]4 years ago
7 0
She needs 0.1 because 4x4 is 16. :)
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2meters = what kilograms
liberstina [14]
A meter is a DISTANCE a Kilogram is a WEIGHT. You can not make those equal. thank you for your 5 points.
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3 years ago
What is the volume of a sphere with a radius of 7 cm? Sphere V = 4 3 πr3 1. Substitute the radius into the formula:    V = 4 3 π
netineya [11]

Answer:

1436.75504 or 1372/3π cm^3

Step-by-step explanation:

The volume of a sphere can be found using:

V = 4/3 πr^3

We know the radius is 7, so we can substitute 7 in for r

V = 4/3 π7^3

Evaluate the exponent

V = 4/3 π 343

If we want the answer in terms of pi, multiply the two other numbers, that are not pi: 4/3 and 343.

v= (4/3*343)π

v=1372/3π

If we want an exact answer, multiply 1372/3 and pi

v=1436.75504

So, the volume is 1436.75504 or 1372/3 π cm^3

4 0
4 years ago
Read 2 more answers
6) Qual número deve ser acrescentado a expressão x² - 12x, para que se obtenha um trinômio quadrado perfeito? * 6 5 12 10
Serga [27]

Respuesta:

36

Explicación paso a paso:

Para completar el cuadrado tendremos que sumar la mitad del cuadrado del coeficiente de x a la expresión;

Coeficiente de x = -12

Mitad del coeficiente = (-12/2) = -6

Tomando el cuadrado del resultado = (-6) ^ 2 = 36

Por lo tanto, el número que se debe sumar para obtener un cuadrado perfecto es 36.

7 0
3 years ago
What does x represent in y = mx + b ?
FinnZ [79.3K]

Answer:

In the equation of a straight line (when the equation is written as "y = mx + b"), the slope is the number "m" that is multiplied on the x, and "b" is the y-intercept (that is, the point where the line crosses the vertical y-axis). This useful form of the line equation is sensibly named the "slope-intercept form".

Step-by-step explanation:

5 0
3 years ago
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sam makes $400 per week plus $20 commission oh each new cell phone plan she sells. write an equation to determine how many new p
Nady [450]
To write the equation, you can start with the answer of $680. She receives $400 + $20*plans sold: 400 + 20p = 680 20p = 280 p = 14 {$400 + $20 * 14 = 680} Sam sold 14 plans to make a total of $680.
5 0
4 years ago
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