3 years ago

1+1 2+2 3+3 Add all that up

Mathematics

2 answers:

VARVARA [1.3K]3 years ago

6 0

Answer:

Step-by-step explanation:

1+1+2+2+3+3

2+2+2+3+3

4+2+3+3

6+3+3

9+3

inessss [21]3 years ago

3 0

Answer:

1+1

2+2

3+3= 12

Step-by-step explanation:

pls can I get branliest I need it

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A tree that was 30 meters high was broken so that the broken part was 7 times the length of the part that was left

nikitadnepr [17]

Answer:

Broken = 7x

Step-by-step explanation:

Left = x

x(7x) = 30

(7x² = 30)⅐

x² = 4.285

√x² = √4.285

x = 2.07

Left = 2.07 meters

Broken = 7 x 2.07 = 14.49 meters

i hope this is correct!

good luck on ur test!

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3 years ago

Solve for x. Geometry plz help

SCORPION-xisa [38]

- The solution/answer is 10.

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3 years ago

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Three years ago, Marry was three times as old as his brother. Five years from now he will be twice as old as his brother. How is

chubhunter [2.5K]

3 years ago:
m - 3 = 3(b - 3)
m - 3 = 3b - 9
m + 6 = 3b
m/3 + 2 = b

5 years from now:
m + 5 = 2(b + 5)
m + 5 = 2b + 10
m - 5 = 2b
m/2 - 5/2 = b

combine:
m/3 + 2 = m/2 - 5/2

1. multiply by 6
2m + 12 = 3m - 15

2. add 15 - 2m to both sides
27 = m

Marry is 27 years old.

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3 years ago

s – 34% Americano, 21% Cappuccino, 14% Espresso, 11% Latte, 10% Macchiato, 10% Other. In a random sample of 450 customers, he fi

Sever21 [200]

Answer:

0.000005178

Step-by-step explanation:

we test for the goodness of fit

h0; drink preferences not changed

h1: drink preferences changed

alpha = 0.05

we solve for the test statistics

the chsquare test was performed in the attachment

Chi square = (O-E)²/E

chisquare = 32.30188

degree of freedom = n -1 = 6-1 = 5

using the chi distribution function on excel i calculated the p value

CHIDIST(32.30188, 5) =

P-value = 0.000005178

pvalue is less than 0.05 so we reject null hypothesis and conclude that there is sufficient evidence that drink preferences are changed.

the chisquare calculation is in the attachment. Thank you!

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3 years ago

how much money will you have after 5 years if you deposit $750 into an account that earns 4% simple annual interest?

Helen [10]

Step-by-step explanation:

$ 900 is the answer. as i shown in the attachment

5 0

3 years ago