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3 years ago

Which of the following shows the intersection of the sets? {1, 4, 8, 12} {2, 4, 6, 8}

Mathematics

2 answers:

Semmy [17]3 years ago

7 0

Answer:

{ 4,8}

Step-by-step explanation:

The intersection is what the sets have in common

{1, 4, 8, 12}∩ {2, 4, 6, 8}

{ 4,8}

Alexandra [31]3 years ago

5 0

Answer:

{4, 8}

Step-by-step explanation:

The intersection of sets are the terms that appear in both sets. In this case, the only numbers that appear in both sets are 4 and 8.

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Solve for X

vovangra [49]

Answer:

308 degree

Step-by-step explanation:

because 360 subtract 52

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3 years ago

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!!20 points!!! Determine which postulate or theorem can be used to prove that ABC = DCB

maria [59]

I think the answer is A, SAS

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3 years ago

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A tent guy line supports one of the upright tent poles. It runs from the top of the pole to a peg in the ground two and a half m

Inessa [10]

Answer:

258 cm

Step-by-step explanation:

Given:

Distance from the base of the pole to the base of a tent guy line is $2\frac{1}{2}$

Length of a tent guy line is 359 cm

To find: Height of the upright tent pole

Solution:

Let AB denotes the pole and AC denotes a tent guy line.

According to Pythagoras theorem, in a right angled triangle, square of hypotenuse is equal to sum of squares of other two sides.

$AC^2=AB^2+BC^2$

$AC=359 cm\\AB=x\\BC=2\frac{1}{2}\,m=\frac{5}{2}\,m=\frac{5}{2}\times 100=250\,cm$

Therefore,

$(359)^2=x^2+(250)^2\\128881=x^2+62500\\128881-62500=x^2\\66381=x^2\\x=257.6\,cm\approx 258\,cm$

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8 0

3 years ago

Suppose u and v are differentiable functions of x and that

Nutka1998 [239]

Answer:

B I personally think..

Step-by-step explanation:

Hi,

Use Differential Formula :

d(u(x) • v(x))/dx = u'(x) • v(x) + u(x) • v'(x)

at x = 1 :

d(u(1) • v(1))/dx = u'(1) • v(1) + u(1) • v'(1)

d(u(1) • v(1))/dx = -5 • 6 + 4 • -2

d(u(1) • v(1))/dx = -30 - 8

d(u(1) • v(1))/dx = -38

Hope this helped :)

5 0

4 years ago

Work out the size of angle A. А 11 cm 9 cm 38° B. С

vagabundo [1.1K]

Answer:

There are two solutions!

a = 48.80524 degrees

a = 131.19476 degrees

Step-by-step explanation:

A = sin^-1 (sinB * 1/b) = sin^-1 * (sin(38degrees) * 11/9. =. sin^-1 (0.75)

^ is used to signify to the __ power

I do not have the proper options for some mathematical functions on my device I’m answering from

7 0

3 years ago