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Pavlova-9 [17]
3 years ago
5

WILL MARK YOU BRAINLIEST!!!

Mathematics
1 answer:
Xelga [282]3 years ago
8 0

Answer:

very confusing but i'm guessing the glide reflection on triangle DEF

Step-by-step explanation:

1/2 = 4+D/ xy 7*

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Semmy [17]
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3 years ago
Read 2 more answers
Can anyone solve this for me????
sweet-ann [11.9K]

The old rate of pay is x and the new rate is y then we have:

y = 2x + 7

Y = 21

PART 1:  21 = 2x+7

Subtract 7 from each side:

14 = 2x

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7 0
3 years ago
Justin did push-ups for the past 555 days.The following data points are the number of push-ups he did each day.
Vitek1552 [10]

Answer: σ: 2.76

Step-by-step explanation:

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Sum, Σx: 125

Mean, μ: 25

Variance, σ2:  7.6

Steps

look at attached pic for formula

σ^2 = \frac{Σ(xi - μ)^{2} }{N}

\frac{(21 - 25)2 + ... + (29 - 25)2}{5}

⇒ \frac{38}{5}

⇒ 7.6

σ =  \sqrt{7.6}

⇒   2.756809750418

⇒ or 2.76

3 0
2 years ago
What is 345 x 12? Plz tell me the answer
katovenus [111]
The answer is 4140
——————————
3 0
3 years ago
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