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irina [24]
3 years ago
9

What is the answer to the equation?

Mathematics
2 answers:
Marizza181 [45]3 years ago
7 0

11 - 2r + 3 = 4 \\  - 2r = 4 - 3 - 11 \\  - 2r =  - 10 \\ r =  - 10 \div  - 2 = 5
vovikov84 [41]3 years ago
4 0
R=5 because if 14-2R=4 (I added 3 and 11 from the equation) then r must equal 5 because 14-10=4 and 5x2=10
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The weight of each cookie in a batch of a certain type of commercially produced cookie follows an approximately normal distribut
melisa1 [442]

Answer:

Around 34.14% of the cookies are between 11.32 and 11.35 grams.

Step-by-step explanation:

In a normal distribution around 68.28% of the values are around minus one to one standard deviation. In this case we want to know the percentage of values that are between zero and one standard deviation, therefore the percentage of values that are in that range is given by 68.28% / 2 , which is equal to 34.14%.

7 0
2 years ago
Write the radical in simplest radical form<br><br><br><br> √5/8
tiny-mole [99]

Answer:

\dfrac{\sqrt{10}}{4}

Step-by-step explanation:

\sqrt{\dfrac{5}{8}} =

= \dfrac{\sqrt{5}}{\sqrt{8}}

= \dfrac{\sqrt{5}}{\sqrt{4 \times 2}}

= \dfrac{\sqrt{5}}{2 \sqrt{2}}

= \dfrac{\sqrt{5}\sqrt{2}}{2 \sqrt{2}\sqrt{2}}

= \dfrac{\sqrt{10}}{2 \times 2}

= \dfrac{\sqrt{10}}{4}

3 0
3 years ago
A fruit juice company includes 1.858 ounces of pineapple juice in a 6.65-ounce bottle of a mixed fruit
NeTakaya
4.792 ounces

Remember to put the word ounces to get full credit on the answer
7 0
3 years ago
2 sides of a triangle measure 34 inches and 52 inches. What is the possible third side "x"? A.) 34 &lt; x &lt; 52 B.) 0 &lt; x &
frozen [14]

Answer:

C.) 18 < x < 86

Step-by-step explanation:

triangle property: sum of any 2 sides is larger than the third side

if x <= 18       18 + 34 no larger than 54

if x >= 86       34 + 52 no larger than 86

3 0
3 years ago
1. Jack and Betty have 40 coins that are nickels and dimes. If the value of
nignag [31]

Answer:

Number of nickels = 17

Number of dimes = 23

Step-by-step explanation:

Let

x = number of nickels

y = number of dimes

x + y = 40 (1)

0.05x + 0.10y = 3.15 (2)

From (1)

x = 40 - y

Substitute x = 40 - y into (2)

0.05x + 0.10y = 3.15 (2)

0.05(40 - y) + 0.10y = 3.15

2 - 0.05y + 0.10y = 3.15

- 0.05y + 0.10y = 3.15 - 2

0.05y = 1.15

y = 1.15/0.05

y = 23

Substitute y = 23 into (1)

x + y = 40 (1)

x + 23 = 40

x = 40 - 23

x = 17

Number of nickels = 17

Number of dimes = 23

8 0
2 years ago
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