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anzhelika [568]
3 years ago
13

Find c for me please

Mathematics
1 answer:
UNO [17]3 years ago
6 0

Answer:

180

Step-by-step explanation:

30+60+90

90+90

180

we have add all the angle

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Answer:

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3 years ago
Find the slope of the line (-9, 1) (1, 9)​
dezoksy [38]

Answer:

Slope=4/5

Step-by-step explanation:

This is the formula to find the slope of lines:

y2-y1/x2-x1 (look it up to learn more)

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6 0
3 years ago
Read 2 more answers
70 decreased by 13% =
Pie
If you have a calculator: 
<span>1) To find 1%, divide by 100 (70 / 100 = 0.7) </span>

<span>2) Then, multiply by the % you need (0.7 x 13 = 9.1) </span>

<span>Therefore 70 - 9.1 = 60.9 </span>

<span>If you don't have a calculator: </span>
<span>1) Find 50%, 10%, 5%, and 1%. With these, you can make any % you need. </span>
<span>50% = X / 2 (= 35) </span>
<span>10% = X / 10 (= 7) </span>
<span>5% = first, do 10%, then divide that by 2 (= 3.5) </span>
<span>1% = X / 100 (= 0.7) </span>
<span>Where X is the number you want to work out % for </span>

<span>2) Add those % up to get the amount you want </span>
<span>10% + 1% + 1% +1% = 13% </span>
<span>7 + 0.7 + 0.7 + 0.7 = 9.1 </span>

<span>Therefore 70 - 9.1 = 60.9
Hope that helps :)</span>
7 0
3 years ago
Instructions: Find the angle measures given the figure is a rhombus.
Oksi-84 [34.3K]

Answer:

Angle ABC =70

Step-by-step explanation:

Divide 140 by 2 and apply the rule of alternante interior angles

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Step-by-step explanation:

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5 0
2 years ago
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