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wlad13 [49]
3 years ago
9

Rate and unit rate $7.95 for 5 pounds

Mathematics
1 answer:
Hatshy [7]3 years ago
7 0
7.65/5 approx. So $1.59 per pound.
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What is the probability of pulling a jack or a heart out of a deck of 52 cards
ikadub [295]

Answer:

 =4/13

Step-by-step explanation:

There are 13 hearts in a deck

4 jacks

but 1 is the jack of hearts so we don't double count it

13+4-1 = 16

P( heart or a jack) = jack or heart/ total

                             = 16/52

                             =4/13

8 0
3 years ago
A hypothesis regarding the weight of newborn infants at a community hospital is that the mean is 6.6 pounds. A sample of seven i
fenix001 [56]

Answer:

the null hypothesis is 5.6

Step-by-step explanation:

no step by step srry

6 0
3 years ago
Find the value of this expression if x=-7. x^2 -1 /x+4
belka [17]

Answer:

-16

Step-by-step explanation:

x^2 -1 /x+4

By putting the value of x in the expression as x = -7

= (-7)^2 - 1/ -7 +4

= (+49) - 1/ -3

= 48/-3

= -16

6 0
3 years ago
Write an equation of the line that passes through (-3, 3) and is perpendicular to the line 2y = 8x - 6.
navik [9.2K]

Answer:

2y = 8x - 6

2y/2 = 8x/2 - 6/2

y = 4x - 3

<h2><u>y = -1/4x + 3</u></h2>
6 0
3 years ago
David made a scale drawing of an Olympic-sized pool the pool is 20.5 in long and the drawing that I can shoot pool is 164 ft lon
SIZIF [17.4K]

Answer:

Scale = 1\ in : 8\ ft

Step-by-step explanation:

Given

Scale\ Measurement = 20.5in

Actual\ Measurement = 164ft

Required

Determine the scale

The scale is calculated using the following ratio:

Scale = Scale\ Measurement : Actual\ Measurement;

Substitute values for Scale and Actual Measurements

Scale = 20.5\ in : 164\ ft

Divide ratio by 20.5

Scale = 20.5/20.5\ in : 164/20.5\ ft

Scale = 1\ in : 8\ ft

This implies that: <em>1 inch on scale represents 8 ft in actual measurement</em>

4 0
3 years ago
Read 2 more answers
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