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Keith_Richards [23]
3 years ago
5

What plus -4.52 equals a negative nummber? is it -5.4 or 3.86

Mathematics
2 answers:
adoni [48]3 years ago
6 0

both because -4.52+3.86= -0.66 and -4.52+-5.4= -9.92

algol [13]3 years ago
3 0

Both of there numbers will result in a answer that is negative

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The area of a rectangle is 30 square meters. Find the length and width if the length is 1.45 times the width.
lyudmila [28]

Answer:

<u>The length of the rectangle is 14.5√6/29 or 6.6 meters and the width is 10√6/29 or 4.55 meters.</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Area of a rectangle = 30 square meters

2. Find the length and width if the length is 1.45 times the width.

Width of the rectangle = x

Length of the rectangle = 1.45x

Now substituting in the formula of the area of a rectangle, this way:

30 = x * 1.45x

30 = 1.45x²

x² = 30/1.45

x = √30/1.45

x = 10 √6/29 or 4.55 (Rounding to two decimal places)

1.45 x = 14.5 √6/29 or 6.6

<u>The length of the rectangle is 14.5√6/29 or 6.6 meters and the width is 10√6/29 or 4.55 meters.</u>

7 0
3 years ago
the mean height of the 30 children in a room is 76 cm james whose height is 107 cm went into the room what is the new mean of th
Snezhnost [94]

Answer:

The new mean is 77cm

Step-by-step explanation:

If the mean height of the 30 children in a room is 76 cm, then the sum of their ages is

30 \times 76 = 2280cm

If James with height 107cm joins them, then the total number of children now becomes 30+1=31 and the total height becomes: 2280cm+107cm=2387cm

The new mean now becomes:

\bar x =  \frac{2387}{31}  = 77cm

4 0
3 years ago
What is 4^6 . 4^6 please help​
KonstantinChe [14]

Answer:

4^12 or 16777216

Step-by-step explanation:

4^6* 4^6

We can symplify 4^6* 4^6

Since they both have the same base, we can add there exponent:

4^6* 4^6= 4^12

4^12 equals to 16777216

8 0
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Katena32 [7]

Answer:

10.375

Step-by-step explanation:

1.) Add up all the amount of pizzas |  12 + 9 + 11 +10+13+8+ 7,+ 13=83

2) Divide the total amount of pizzas by the amount of pizzas/amount of numbers of pizzas. | 83 divided by 8 =

10.375

6 0
3 years ago
Find the midpoint between (-6, 8) and (4, 6)<br> Midpoint is _____ ______
seropon [69]

Answer:

(-1,7) is the midpoint of these two points

Step-by-step explanation:

4 0
3 years ago
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