3 years ago

Find the missing length. The triangles in each pair are similar.

Mathematics

1 answer:

kolbaska11 [484]3 years ago

8 0

Answer:

Step-by-step explanation:

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Bob and Carol are making glass dolls. On average, they break 12% of the dolls. Today, they only broke 2/3 as many dolls as usual

konstantin123 [22]

If you would like to know how many dolls did Bob and Carol break today, you can calculate this using the following steps:

On average, they break: 12% of 175 = 12/100 * 175 = 21 dolls.
Today: 2/3 as many dolls as usual = 2/3 * 21 = 14 dolls

Result: Bob and Carol broke 14 dolls today.

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3 years ago

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A cockatoo costs $159.95. A cockatiel costs $48.85. What is the difference in price?

k0ka [10]

Answer:

111.1

use subtraction

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3 years ago

Read 2 more answers

∫c<br> x sin y ds, C is the line segment from (0, 1) to (3, 5)

Mnenie [13.5K]

Parameterize the line segment $C$ by

$\mathbf r(t)=\langle x(t),y(t)\rangle=(1-t)\langle0,1\rangle+t\langle3,5\rangle=\langle3t,1+4t\rangle$

where $t\in[0,1]$ . Then

$\mathrm ds=\|\mathbf r'(t)\|\,\mathrm dt$
$\mathrm ds=\|\langle3,4\rangle\|\,\mathrm dt$
$\mathrm ds=5\,\mathrm dt$

So the integral is

$\displaystyle\int_Cx\sin y\,\mathrm ds=5\int_0^1x(t)\sin y(t)\,\mathrm dt$
$=\displaystyle5\int_0^13t\sin(1+4t)\,\mathrm dt$
$=\dfrac{15}{16}(\sin5-\sin-4\cos5)\approx-2.7516$

3 0

3 years ago

translate this phase into an algebraic expression. One more than the product of 13 and Mai's savings. Use the Variable my to rep

Ivenika [448]

It would be (13 x Y) + 1

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3 years ago