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valentina_108 [34]
3 years ago
8

Please answer all the questions below in the picture thank you for

Mathematics
2 answers:
topjm [15]3 years ago
7 0
23 for the third time add atleast 1.8
Maru [420]3 years ago
7 0
Sorry for it being sideways but hope it helps.

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One-half of a number,<br> increased by 69 is 74.<br> What is the number?
Klio2033 [76]

Answer:

10

Step-by-step explanation:

let the number be n then half the number is \frac{1}{2} n , so

\frac{1}{2} n + 69 = 74 ( subtract 69 from both sides )

\frac{1}{2} n = 5 ( multiply both sides by 2 to clear the fraction )

n = 10

Thus the number is 10

6 0
3 years ago
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When ∆A′B′C′ is reflected across the line x = -2 to form ∆A″B″C″, vertex (note: please enter your response using apostrophes ins
maria [59]
(A) because it is reflecting over the x-axis.
7 0
3 years ago
PLEASE HELP!!!!! (Question 74)
lord [1]
SL=2 \pi r h

SL=2*3.14*2*4

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SL=15.24 in² or ³
3 0
3 years ago
Find a degree 3 polynomial with real coefficients having zeros 4 and 2i and a lead coefficient of 1. Write P
iren2701 [21]

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x^2 - 2xi - 4x +8i

Step-by-step explanation:

(x -4) (x -2i) (x+2i)

4 0
3 years ago
Worth 2 marks and I need it urgently pls
melisa1 [442]
4c6d3 x 3c4d

4 x 3=12
12c
you add the powers so 6+4=10
12c10
d3 x d=d3
12c10d3


that is the answer i think

4 0
3 years ago
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