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MAVERICK [17]
3 years ago
15

Can anyone help me please

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
5 0

Answer:

1. 5(3+9) = <u>(5 x 3) + (5 x 9)</u>

2. (7+8)6 = <u>(6 x 7) + (6 x 8)</u>

3. 51 x 9 + 51 x 31 = 459 + 1581 = <u>2040</u>

4. 17 x 13 + 51 x 13 + 32 x 13 = 221 + 663 + 416 = <u>1300</u>

These should all be right :)

I used PEMDAS and the distributive property.

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Which of the functions below could have created this graph?
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as you can see, the graph crosses the system at (0/0), so it can't be C), due to it's constant at the end, being "+1"
so it's A)
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3 years ago
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Please help me because I don’t know
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In the diagram AB =AD and
Greeley [361]

Answer:

AC ≅ AE

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Given that in ∆ABC and ∆ADE, AB ≅ AD, and <BAC ≅ DAE, <em>the additional information we need to prove that ∆ABC ≅ ADE is AC ≅ AE. </em>This will satisfy the SAS Congruence Theorem. As there would be 2 corresponding sides that are congruent, and 1 corresponding angle in both triangles that are congruent to each other.

8 0
3 years ago
Please answer this correctly
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The average value of f(x,y) over D is given by the ratio

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The denominator is just the area of D, which we already know. The average value is then simplified to

\displaystyle\frac74\iint_Dxy\,\mathrm dA

In the x,y-plane, we can describe the region D as all points (x,y) that lie between the lines y=0 and y=8x (the lines which coincide with the triangle's base and hypotenuse, respectively), taking 0\le x\le1. So, the integral is given by, and evaluates to,

\displaystyle\frac74\int_{x=0}^{x=1}\int_{y=0}^{y=8x}xy\,\mathrm dy\,\mathrm dx=\frac78\int_{x=0}^{x=1}xy^2\bigg|_{y=0}^{y=8x}\,\mathrm dx
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=14x^4\bigg|_{x=0}^{x=1}
=14
3 0
3 years ago
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