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Tatiana [17]
3 years ago
9

Amber saved a total of $3.20 over 5 weeks. She saved the same amount of money each week.

Mathematics
2 answers:
ella [17]3 years ago
4 0
0.64 you just divide 3.20 by five
dybincka [34]3 years ago
3 0

Answer:

0.64

Step-by-step explanation:

you just divide 3.20 by 5

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What are the factors of the equation (y-2)(x+3)
aksik [14]

Answer:

2 and 3 are factors

Step-by-step explanation:

because factors are the number added and the product is the answer

8 0
3 years ago
Subtraction equation with a difference of 54.57
hodyreva [135]
148.57-94 would equal 54.57
5 0
2 years ago
Find the directional derivative of the function at the given point in the direction of the vector v. f(x, y, z) = xyz , (3, 3, 9
Anna [14]

The derivative of f(x,y,z) in the direction of a vector \mathbf u is

\nabla_{\mathbf u}f=\nabla f\cdot\dfrac{\mathbf u}{\|\mathbf u\|}

With f(x,y,z)=xyz, we get

\nabla f=(yz,xz,xy)

and \mathbf u=(-1,-2,2),

\|\mathbf u\|=\sqrt{(-1)^2+(-2)^2+2^2}=3

Then

\nabla_{(-1,-2,2)}f(3,3,9)=(27,27,9)\cdot\dfrac{(-1,-2,2)}3=-21

8 0
3 years ago
3(-4+x)is less than -33
ololo11 [35]

Answer:

x<-7

Step-by-step explanation:

3 0
2 years ago
Am I right?? <br> * Show examples &amp; details if I am wrong!! *
baherus [9]

Yes, you are correct.

From the image, we can see 3 triangles, the large triangle and the two triangles that make the larger triangle.

All 3 of these triangles are similar since they're angle measurements are the same (can be proven by geometry).

We can gather the following information from the given information.

  • The largest triangle (the one made up of two triangles) has a hypotenuse of 3+9=12, and a leg length of x. The hypotenuse to leg ratio is 12/x
  • The second largest triangle has a hypotenuse length x and leg length 9. The hypotenuse to leg ratio is x/9

We know the hypotenuse to corresponding leg ratio must be equal since these two triangles are similar. Thus, we have the equation:

12/x = x/9

Using the cross product property gives us:

x² = 9 × 12

x² = 108

Taking the square root of both sides gives us:

x = √108

= 6 √3

Thus, your answer is correct. Great job!

Let me know if you need any clarifications, thanks!

8 0
3 years ago
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