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san4es73 [151]
3 years ago
13

PLS HELP FAST‼️‼️ Evaluate if a = 1, b = 3, and c = -4: ab + 3c - b

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
8 0

Answer:

-12

Step-by-step explanation:

ab + 3c - b = (1)(3) + 3(-4) - 3

= 3 + -12 - 3

= -9 - 3

= -12

Hope it helps!! :)))

Tell me if im wrong please

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Interval of convergence is 0 </= x < 1

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4 years ago
Karen earns $62.25 for working 9 hours. if the amount she earns varies with the number of hours she works how much will she earn
nata0808 [166]

Answer:

$103.75

Step-by-step explanation:

we know that

Karen earns $62.25 for working 9 hour

so

using proportion

Find out  how much she will  earn for working 15 hours

\frac{62.25}{9}\ \frac{\$}{h}=\frac{x}{15}\ \frac{\$}{h}\\\\x=62.25(15)/9\\\\x=\$103.75

6 0
3 years ago
Ben has two boxes. The red box has a volume of 46 cubic feet. The blue box has a height of 3 feet, a length of 7 feet, and a wid
Juliette [100K]

Answer:

The blue box is 38 cubic feet grater than the red box.

Step-by-step explanation:

Cuboid:

  • It is a three dimensional shape.
  • It has 6 faces.
  • The surface area of a cuboid is = 2(lb+bh+lh), where l = length, b= width, h= height.
  • The volume of a cuboid is = l×b×h

Given that,

Ben has two boxes.

The volume of the red box is 46 cubic feet.

The dimensions of the blue box is 7 feet by 4 feet by 3 feet.

The volume of the blue box is = length ×width × height

                                                  =(7×4×3) cubic feet

                                                  = 84 cubic feet

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8 0
3 years ago
Use the definition of a Taylor series to find the first four nonzero terms of the series for f(x) centered at the given value of
kolbaska11 [484]

If <em>f(x)</em> = 7/(1<em> </em>+ <em>x</em>), then

<em>f</em> (2) = 7/3

<em>f '(x)</em> = -7/(<em>x</em> + 1)²   ==>   <em>f '</em> (2) = -7/9

<em>f ''(x)</em> = 14/(<em>x</em> + 1)³   ==>   <em>f ''</em> (2) = 14/27

<em>f '''(x)</em> = -42/(<em>x</em> + 1)⁴   ==>   <em>f '''</em> (2) = -14/27

Then the Taylor series of <em>f(x)</em> about <em>a</em> = 2 is

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3 years ago
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