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Julli [10]
2 years ago
8

7.54×10³ im so stuck

Mathematics
2 answers:
ivolga24 [154]2 years ago
5 0

Answer:

7.54 × 10^{3} is equal to 7540

Step-by-step explanation:

10^{3} is the same as 10 × 10 × 10 = 1000

so say 7.54 × 1000 = 7540

LekaFEV [45]2 years ago
3 0

Answer:

7540

Step-by-step explanation:

10 raised to the power of 3 is 1000

7.54 * 1000 = 7540

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Tiffinay plans to use 275 dollars. She wants to buy 3 pants for 42 each and 5 shirts for 27 dollars each she will pay taxs it wi
Zielflug [23.3K]

Answer:

$7.50

Step-by-step explanation:

$42 × 3 = $126

$27 × 5 = $135

$126 + $135 = $261

$275 - $261 = $14

$14 - $6.50 = $7.50

8 0
2 years ago
I PROMISE I WILL LET EVERYBODY KNOW WHAT GRADE I GET WHEN I KNOW
makkiz [27]

Answer:

are those 3 different question of just one?

Step-by-step explanation:

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Whats the y-axis reflection. of 4,-4
Karo-lina-s [1.5K]

Answer:

4,4

Step-by-step explanation:

its ask for the reflection, so -4 will be 4

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2 years ago
Complete the two column proof
ivolga24 [154]

a. is <u><em>Substitution Property</em></u>

b. might be <u><em>definition of supplementary angles</em></u>

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by about how much will f(x,y,z) = In root x^2 +y^2 +z^2 change if the point P(x, y, z) moves from P0(2,2,6) a distance of ds = .
konstantin123 [22]

Answer:

\frac{1}{44} \approx0.0227\hspace{3}units

Step-by-step explanation:

In order to find the answer we need to calculate the directional derivative:

D_uf(x,y,z)=\nabla f\bullet u

\nabla f =The\hspace{3}gradient\hspace{3}of\hspace{3}f\\u=Unit\hspace{3}vector

The gradient of f is:

\nabla f(x,y,z)=\langle\frac{x}{x^2+y^2+z^2}, \frac{y}{x^2+y^2+z^2},\frac{z}{x^2+y^2+z^2}\rangle

The unit vector can be found as:

u=\frac{v}{|v|} =\frac{3i+6j-2k}{\sqrt{3^2+6^2+(-2^2)} } =\langle\frac{3}{7} ,\frac{6}{7}, \frac{-2}{7} \rangle

The directional derivative at the point is:

D_uf(2,2,6)=\langle\frac{1}{22}, \frac{1}{22} ,\frac{3}{22} \rangle \bullet \langle \frac{3}{7} ,\frac{6}{7} ,\frac{-2}{7} \rangle =\frac{5}{22} \bullet \langle \frac{3}{7} ,\frac{6}{7} ,\frac{-2}{7} \rangle =\frac{5}{22}

Finally, the problem tell us that the point moves a distance of 0.1 units. Hence f(x,y,z) will move:

\frac{5}{22} * 0.1=\frac{1}{44}\approx 0.0227\hspace{3}units

6 0
2 years ago
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