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3 years ago

15

Which of the following is a solution of 29 = k – 9?

1 answer:

konstantin123 [22]3 years ago

5 0

Answer:

20

29 - 9 = 20

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At the beach roger built a sand castle that was 2and 2/8 feet high if he added a flag that was 2 and 1/4 feet high what is the t

kvasek [131]

let's firstly convert the mixed fractions to improper fractions and then sum them up.

$\bf \stackrel{mixed}{2\frac{2}{8}}\implies \cfrac{2\cdot 8+2}{8}\implies \stackrel{improper}{\cfrac{18}{8}}~\hfill \stackrel{mixed}{2\frac{1}{4}}\implies \cfrac{2\cdot 4+1}{4}\implies \stackrel{improper}{\cfrac{9}{4}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{18}{8}+\cfrac{9}{4}\implies \stackrel{\textit{using the LCD of 8}}{\cfrac{(1)18+(2)9}{8}}\implies \cfrac{18+18}{8}\implies \cfrac{36}{8}\implies \cfrac{9}{2}\implies 4\frac{1}{2}$

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3 years ago

Given that √5 ≈ 2.2360679775 and ???? ≈ 3.1415926535, find the sum √5 + ???? to an accuracy of 10−8 without using a calculator.

muminat

Answer:

√5 + π = 537766063.1 × $10^{-8}$

Step-by-step explanation:

given data

√5 ≈ 2.2360679775

π ≈ 3.1415926535

to find out

√5 + π

solution

√5 + π = 2.2360679775 + 3.1415926535

√5 + π = 5.3776606310

√5 + π = 5.3776606310 × $\frac{10^{-8}}{10^{-8}}$

√5 + π = 537766063.1 × $10^{-8}$

3 0

3 years ago

Does the point (-2,-9) satisfy the equation y = 2x - 5

erik [133]

First, substitute.

-9 = 2(-2) - 5
-9 = -4 -5
-9 = -9
Yes, the point (-2, -9) satisfies the equation

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3 years ago

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828 is 9/10— of which number?

mixer [17]

Answer: 920

Step-by-step explanation:

828 divided by 0.9 will give you the answer

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3 years ago

The equation below describes a proportional relationship between x and y. What is the constant of proportionality?

seraphim [82]

5.36 is the constant of proportionality
i am wondering if u can give me the brainliest.

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3 years ago

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