3 years ago

Maria said," The 4 in 400,000 has a value of 400

Mathematics

1 answer:

Gelneren [198K]3 years ago

3 0

Maria said," The 4 in 400,000 has a value of 400 THOUSANDS
the 4 has a value of four hundred thousands

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A man buys 3 chicken sandwiches at 2.75 each and 2 cokes at 1.19 and the tax is $0.64. he gives you 11.52. how much change shoul

Artist 52 [7]

3 chicken sandwiches at $2.75 each: 3*2.75= 8.25

2 cokes at 1.19: 2*1.19= 2.38

Tax: 0.64

8.25+2.38+0.64= 11.27

He gives you 11.52, to find how much you need to give him back, subtract how much he gives you by the amount that is charged (11.27)

11.52-11.27= $0.25

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3 years ago

Ifx=−8, evaluate the following expression:(x−2)(x+4)x(x+9)

tekilochka [14]

Answer:

= 40

Step-by-step explanation:

so if you mean x = -8

$(x - 2)(x + 4) \times (x + 9) \\$

$( - 8 - 2)( - 8 + 4) \times ( - 8 + 9)$

$( - 10)( - 4) \times 1$

$40 \times 1$

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2 years ago

Given g(x) = 2x + 5, find g(1)

saul85 [17]

Answer:

g(1) =7

Step-by-step explanation:

g(x) = 2x + 5

Let x=1

g(1) = 2(1) +5

= 2+5

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3 years ago

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Write 104/-120 as a rational number in its standard form

AVprozaik [17]

104/-120

=-13/15

Devishri1977 gave a better example of how she got to the answer

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2 years ago

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Amir stands on a balcony and throws a ball to his dog, who is at ground level.

Bumek [7]

Answer:

16 meters

Step-by-step explanation:

The height function is given by:

$h(x)=-(x+1)(x-7)\\h(x)=-(x^2+x-7x-7)\\h(x)=-x^2+6x+7$

The value of x, in seconds, for which the derivate of the height function is zero, is the time at which the maximum height occurs:

$\frac{dh(x)}{dx}= h'(x)=-2x+6=0\\x=3$

For x = 3 seconds, the height is:

$h(3)=-(3^2)+6*3+7\\h(3)=16\ m$

The maximum height that the ball will reach is 16 meters.

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3 years ago

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