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lesantik [10]
3 years ago
8

A rectangle has an area of 48 cm².

Mathematics
2 answers:
malfutka [58]3 years ago
7 0

Answer:

144

Step-by-step explanation:

You need to add 48+48+48=144

hope its correct because its just a guess...

Ad libitum [116K]3 years ago
3 0
3x^2 = 48
Find x
x=4
Hence length is 12

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A science museum makes gift bags for students using 168 magnets, 48 robot figurines, and 24 packs of freeze-dried ice cream. How
skelet666 [1.2K]

Answer:

  • 7 magnets
  • 2 robot figurines
  • 1 pack of freeze-dried ice cream

Step-by-step explanation:

The greatest common factor of 24, 48, and 168 is 24, so 24 gift bags can be made. Each will have 1/24 of the number of gift items of each type that are available.

In each bag are ...

  • 1/24 × 168 magnets = 7 magnets
  • 1/24 × 48 robot figurines = 2 robot figurines
  • 1/24 × 24 packs of ice cream = 1 pack of ice cream

_____

One way to find the greatest common factor (GCF) is to consider whether the smallest number divides all the numbers. If so (as here), then that is the GCF. If not, then consider the smallest difference between any pair of numbers, to see if it divides all of the numbers. If not, then test the smallest positive remainder from any of those divisions. Repeat until you have found a common divisor (which may be 1).

5 0
3 years ago
How would I multiply 43.7(1.23) step by step
DochEvi [55]
4370
123
———
13110
+87400
437000
————
537510

Then you add the number of space the coma takes in the two numbers, so 2+1=3 and u put it in the third place so the answer is : 53,751
8 0
3 years ago
Tina Thompson scored 34 points in a recent basketball game without making any 3-point shots. She scored 23 times, making several
zheka24 [161]
F + g = 23
f+g-g=23-g
f = 23-g
f + 2g =34
23-g+2g=34
23+g=34
23-23+g=34-23
g = 11

f + g = 23
f + 11 = 23
f +11-11 =23-11
f = 12

Check
f + 2g =34
12 + 2(11) =34
12 + 22 = 34
 34=34

She made 11 free throws and 12 field goals






6 0
4 years ago
Read 2 more answers
This table represents a quadratic function. x y 0 -3 1 -3.75 2 -4 3 -3.75 4 -3 5 -1.75 What is the value of a in the function’s
serg [7]

Answer:

a = 0.25

Step-by-step explanation:

Our strategy to solve this problem will be to use the information given in the table to obtain  first the value of c in the quadratic equation which has the form ax^2 + bx + c and then form a system of 2 linear equations  and solve for the coefficients a and b as follow:

from x=0 and y=-3   a*0 + b* 0 + c = - 3

c = -3

from x=1 and  y= -3.75

a*(1) + *(1) + (-3) = -3.75

a + b = -3.75 + 3 = -0.75

from x= 2 and y = -4

a* (2)^2 + b*(2) + (-3) = -4

4a + 2b = -4 +1

4a + 2b = -1

Now we can solve the system f equations by elimination:

a + b = -0.75

4a + 2b = -1

multiply first equation by -2 and add to the second and  get

-2a - 2b = +1.50

4a + 2b = -1

2a = 0.50 and substituting into any of the equations get b =  -1

so the quadratic equation has a= 0.25 b= -1  c= -3

we can even  plug the any of the other values for  x given in the table and check the answer.

8 0
4 years ago
Read 2 more answers
An exit poll of 1000 randomly selected voters found that 515 favored measure A. a. Construct a 99% confidence interval for the s
never [62]

Answer:

Step-by-step explanation:

Given that an  exit poll of 1000 randomly selected voters found that 515 favored measure A.

Sample proportion p = \frac{515}{1000} =0.515

q=1-0.515 =0.485\\n =1000\\SE = \sqrt{\frac{pq}{n} } \\=0.158\\

Margin of error 99% = 2.58*SE

=2.58*0.0158\\=0.0408

99% confidence interval =(0.515-0.0408, 0.515+0.0408)\\= (0.474, 0.556)

------------------------

H_0: p =0.5\\H_a: p >0.5\\

(Right tailed test)

STd error = \sqrt{\frac{0.5*0.5}{1000} } \\=0.0158

Test statistic Z = p diff/std error =\frac{0.015}{0.0158} \\\\=0.9487

p value = 0.1714

6 0
3 years ago
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