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4 years ago

11

Marge cut 16 pieces of tape for mounting pictures on poster board. Each piece of tape was 3/8 inch long. How much tape did Marge

use?

1 answer:

mafiozo [28]4 years ago

5 0

Hi! :)

It sounds like you need to multiply this fraction.

$\frac{3}{8}$ *16=6

So, Marge used 6 total inches of tape.

Hope this helps!

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Pls help! <br> and a reason.

Rasek [7]

Answer:

$\angle BDA = 72^{\circ}$

$\angle DAB = 36^{\circ}$

$\angle BDC = 108^{\circ}$

$\angle BCD = 36^{\circ}$

$\angle DBC = 36^{\circ}$

Step-by-step explanation:

Given

$\angle ABD = 72^{\circ}$

Required

Determine the missing angles

Since AB = AD, then:

$\angle ABD = \angle BDA$ --- Base angles of an isosceles triangle

Hence:

$\angle ABD = \angle BDA = 72^{\circ}$

$\angle ABD + \angle BDA + \angle DAB = 180^{\circ}$ --- angles in a triangle

$72^{\circ} + 72^{\circ} + \angle DAB = 180^{\circ}$

$144^{\circ} + \angle DAB = 180^{\circ}$

Collect Like Terms

$\angle DAB = 180^{\circ} - 144^{\circ}$

$\angle DAB = 36^{\circ}$

$\angle BDA + \angle BDC = 180^{\circ}$ --- angle on a straight line

$72^{\circ} + \angle BDC = 180^{\circ}$

$\angle BDC = 180^{\circ} - 72^{\circ}$

$\angle BDC = 108^{\circ}$

Since ABC is isosceles, then:

$\angle DAB = \angle BCD = 36^{\circ}$ --- base angle of isosceles

$\angle BCD = 36^{\circ}$

Lastly:

$\angle BCD + \angle BDC + \angle DBC = 180^{\circ}$

$36^{\circ} + 108^{\circ} + \angle DBC = 180^{\circ}$

$\angle DBC = 180^{\circ} - 36^{\circ} - 108^{\circ}$

$\angle DBC = 36^{\circ}$

<em>See attachment</em>

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3 years ago

How do I solve this this question

MAVERICK [17]

to find the sum:

2(3t-4) - (t^2 + 2) - 4t(t-1)

6t - 8 - t^2 - 2 - 4t^2 + 4

6t - 8 - 5t^2 + 2

-5t^2 + 6t - 6

by the sum of roots and product of roots formulae

ax^2 + bx + c

x + y = $\frac{-6}{-5}$

x + y = $\frac{6}{5}$

xy = $\frac{-6}{-5}$

xy = $\frac{6}{5}$

x - y =

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3 years ago

What is the value of 6x^3 +8x when x = 5

sertanlavr [38]

Just sub x in with 5.
So 6(5)^3+8(5) = 6 (125) + 40 = 750 + 40 = 790.
So 790

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3 years ago

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Help test show your work

olga55 [171]

A

Bye have a nice day

6 0

3 years ago

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When information is applicable and useful for the task at hand, it is considered to be

Nataly_w [17]

The information will be "relevant" when it is the application or user. A further explanation is below.

The knowledge to address an inherent issue could be successfully applied, is considered as a piece of Relevant information.
This is indeed a special difficulty whenever selecting the size as well as the composition of financial accounts of such an organization, as users' judgments on a likely path may be adjusted by a suitable design and degree of depth of such helpful material.

Thus the above solution is right.

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