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Over [174]
3 years ago
8

Plz helpppppp!!!!!!!

Mathematics
2 answers:
ira [324]3 years ago
4 0

The answer is D.

Can I please get brainliest

Naddika [18.5K]3 years ago
3 0
D ) your welcome luv
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PLEASE HELP ASAP 9TH GRADE MATH AND I NEED HELP, 15 POINTS AND BRAINLIST HELPPPP
Sunny_sXe [5.5K]

Answer:

x = 40°

Step-by-step explanation:

Given that ∠SRT ≅ ∠STR

Then ∠STR = 20

∠STR  and ∠STU are what you call supplementary angles. This means that the sum of their measurements is equal to 180° because they form a straight line.

So if:

∠STR + ∠STU = 180°

m∠STU = 4x

m∠STR = 20

Then:

4x + 20° = 180°

Now we solve for x:

4x + 20 = 180\\\\Subtract\;20\;from\;both\;sides\;of\;the\;equation\\\\4x + 20 - 20 = 180 - 20\\4x = 160\\\\Divide\;both\;sides\;of\;the\;equation\;by\;4\\\\\dfrac{4x}{4}=\dfrac{160}{4}\\\\x = 40

x = 40°

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3 years ago
Explain why one half times two equals one whole
djverab [1.8K]
Two halfs equal one whole. think of it like this, an orange cut in half leaves you with two halfs, put them together and you have a whole. simple. multiplying by 2 just means adding a number two times.
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1half x 2= 2 halves=1 whole
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3 years ago
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jordan solved 6 × 5 by breaking apart the 6 into 5 + 1. which of the following correctly shows the next step to find the solutio
AleksandrR [38]
D, it’s the only answer that equals 30. When splitting up the 6, you’re doing the distributive property, which is what D is doing.
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3 years ago
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Answer:

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<u>x0.25</u>

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3 years ago
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