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Zinaida [17]
3 years ago
5

100 points, questions on the picture

Mathematics
2 answers:
Alexus [3.1K]3 years ago
8 0

Answer:

Step-by-step explanation:

22a)  width = 3x-1

2(3x-1)

6x-2 = length

22b)  P =  2* length + 2* width

P= 2(6x-2) +2(3x-1)

P= 12x -4  +6x-2 ;   18x-6

22c) P =  18(5)-6

P = 84 cm

rjkz [21]3 years ago
5 0

Answer:

84cm

Step-by-step explanation:

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Step-by-step explanation:

4 0
3 years ago
Which of the following sets contains only rational numbers?
sp2606 [1]
Rational numbers are numbers which can be written as a fraction (the formula is p/q). They don't include roots we can't solve in order to get a whole number and pi.

A. 776, pi, 25.209, √9   --->    NO (because of pi)
B. 726, 7/34, 20.209, √9    --->   YES
C. √3, 7/39, 20.3, √9   --->    NO (because of √3)
D. 726, 7/34, 20.209, √5   --->   NO (because of √5

Note that √9 = 3, so it IS a rational number.
4 0
3 years ago
Read 2 more answers
(-2+3i)+(5-2i)<br><img src="https://tex.z-dn.net/?f=%28%20-%202%20%2B%203i%29%20%2B%20%285%20-%202i%29%20" id="TexFormula1" titl
qaws [65]
(-2 + 3i + (5 - 2i)
= -2 + 5 + 3i - 2i
= 3 + i  Answer
7 0
3 years ago
Is p → ( q ⟶ r ) equivalent to ( p ⟶ q ) ⟶ r.
bonufazy [111]

Answer: I think it is if I'm understanding correctly

True

Step-by-step explanation:

((p ∧ q) → r)

(p → (q → r))

from (if p and q are true then r is true) we can prove (if q is true

then r is true, if p is true)

5 0
3 years ago
25 out of the 1000 students at Salisbury Middle School were asked what their favorite activity was from last year’s PBIS Carniva
ZanzabumX [31]
25 student 100%
12 dunking booth X%
X=12•100/25
X=48%

1000 students 100%
X students 48%
X=48•1000/100
X=480 students would say that the dunking booth was their favorite activity
5 0
3 years ago
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