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Eddi Din [679]
3 years ago
9

HELP ME PLEASE I NEED THE ANSWER NOW

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
8 0

Answer:

132 cm^2

Step-by-step explanation:

Find all areas and add together.

A = L x W

tA = (L x W)/2

30 + 30 + 48 + 12 + 12 = 132

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Your Turn: Find the measure of angle P below. Show your work. *
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Check the picture.

The figure shows lines m, n and the line through points A And B, call it l_{AB}.

1. The angles ABC and CBP  are  "supplementary" angles, that is angles whose sum is 180°, because together they form one straight angle.

thus, 

(2x+5°)+(7x-14°)=180°

9x-9°=180°

9x=189°

x=189°/9=21°.


2. Remark, m and n are parallel, otherwise we can say nothing about the measure of angle P

check the second picture, notice the F shape formed by CBP and P.

Angles CBP and P are called "angles F" or "corresponding angles".

Corresponding angles formed by a line cutting 2 parallel lines, are always congruent (that is equal) so:

m(P)=m(CBP)=7x-14°=7.21°-14°=147°-14°=133°


Answer: 133°

5 0
3 years ago
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Find the measure of W
Oksi-84 [34.3K]

Answer:

79

Step-by-step explanation:

if you take a look at the problem it looks like it has an even with, so you subtract 152 by 73 to get 79.

6 0
3 years ago
:( I Need help! Show work please! Aviva has a total of 52 coins, all of which are either dimes or nickels. The total value of th
Jet001 [13]

Answer:

42 Dimes, 10 Nickels.

Step-by-step explanation:

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If D = number of dimes, and N = number of nickels, then the following equations are true:

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Next, let's multiply the first equation by 10 so that we can subtract the second one from it.

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Subtracting the second equation from the first one gives:

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kaheart [24]

Answer:

d

Step-by-step explanation:

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2 years ago
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Which equation can be used to solve for the unknown number? Seven less than a number is thirteen.
zysi [14]

Answer:

n-7=13

Step-by-step explanation:

We need to find an equation that represents the expression: "Seven less than a number is thirteen".

It means that a number minus 7 equals 13. So, the correct option is: n-7=13

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