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3 years ago

C) Write another name for 25. -

Mathematics

2 answers:

EastWind [94]3 years ago

8 0

Answer:

Twenty five

Step-by-step explanation:

UNO [17]3 years ago

7 0

Answer:

$5^2$

This is basically

$5*5$

and

$5*5$

is equal to

25.

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The General Social Survey reported a sample where about 61% of US residents thought marijuana should be made legal. If we wanted

bazaltina [42]

Answer: we need to survey 2285 Americans.

Step-by-step explanation:

When population proportion (p) is known, then the formula to evaluate the sample size( minimum) is given by :-

$n=p(1-p)(\frac{z^*}{E})^2$ , where E = margin of error , z* = critical z-value.

Given: p= 0.61, E=0.02, Critical z value for 95% = 1.96

Required sample size: $n=(\frac{1.96}{0.02})^2(0.61)(1-0.61)$

$=(98)^2(0.61)(0.39)\\\\=9604(0.61)(0.39)\\\\\approx$$2285$

Hence, we need to survey 2285 Americans.

3 0

3 years ago

Write the following as an inequality.

navik [9.2K]

Answer:

-2 ≤ x ≤ 5

Step-by-step explanation:

x is greater than or equal to -2 and less than or equal to 5

⇒ x ≥ -2 and x ≤ 5

⇒ -2 ≤ x ≤ 5

6 0

2 years ago

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Pierre sold 340 tickets for a concert. balcony tickets cost $5 while tickets for the lower floor cost $10. if pierre sold $2,700

Misha Larkins [42]

Answer:

A:200

Step-by-step explanation:

$2,700÷10=$270-$70

7 0

3 years ago

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Can someone plz solve for A&B? Plz and if you do thank you so much :)

Anna71 [15]

Answer:

Part a-

area= 35

perimeter= 31

part b-

area= 25

perimeter= 18

Step-by-step explanation:

to find the area of a triangle you multiply 1/2Bh

so for part A:

A= $\frac{1}{2}$ (10)(7) (honestly, you can just input the whole equation into the calculator)

A=(5)(7)

A= 35

and for part B:

A= $\frac{1}{2}$ (8.34)(6)

A= (4.17)(6)

A=25.02 (or just 25)

THEN, to find the perimeter you add up all of the sides

so for part A:

P= 14 + 10 + 7 = 31

and for part B:

P= 4 $\frac{1}{3}$ + 8 $\frac{1}{3}$ + 5 $\frac{1}{3}$ = 17 $\frac{3}{3}$ or 18

I hope this helps :)

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3 years ago

HELPPPP THIS IS DUE TODAY plzzzz

professor190 [17]

Answer:

bobby

Step-by-step explanation:

-6 is a greater number for this problem

8 0

3 years ago