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3 years ago

Need the Aswer for 622g+8kg im in 3rd grade

2 answers:

4 0

A kilogram is equal to 1,000 grams, if you multiply it by 8, you get 8,000 grams, then you add 622 grams. You're finally left with 8,622 grams.

Norma-Jean [14]3 years ago

4 0

The answer is 8.622 Kilograms.

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Find the greatest number that will divide 63, 45 and 69 so as to leave the same remainder.

jeka57 [31]

Answer:

Step-by-step explanation:

Let n be unknown divisor and a be the same remainder, then

$63=q_1\cdot n+a\\ \\45=q_2\cdot n+a\\ \\69=q_3\cdot n+a$

Subtract a from all equalities:

$63-a=q_1\cdot n\\ \\45-a=q_2\cdot n\\ \\69-a=q_3\cdot n$

Subtract them:

$63-45=(q_1-q_2)n\Rightarrow 18=(q_1-q_2)n\\ \\69-63=(q_3-q_1)n\Rightarrow 6=(q_3-q_1)n\\ \\69-45=(q_3-q_2)n\Rightarrow 24=(q_3-q_2)n$

The greatest number is 6. When you divide numbers 63, 45, 69 by 6, you'll get remainders 3, 3, 3, respectively.

7 0

3 years ago

Can someone help mee :(((?

Shkiper50 [21]

Step-by-step explanation:

2√48= 13.86

3√147= 36.37

Perimeter: 13.86+13.86+36.37+36.37= 100.46

4 0

3 years ago

Solve this system of equation<br><br> r+3s+t=3<br> 2r-3s+2t=3<br> -r+3s-3t=1

pashok25 [27]

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5 0

3 years ago

Find the ratio of x to y. 2/3 4/9 1

nevsk [136]

Answer:

$\frac{x}{y}$ = $\frac{4}{9}$

Step-by-step explanation:

Given

$\frac{x}{5}$ = $\frac{2}{3}$ = $\frac{5}{y}$

This can be expressed in 2 parts as

$\frac{x}{5}$ = $\frac{2}{3}$ ( cross- multiply )

3x = 10 ( divide both sides by 3 )

x = $\frac{10}{3}$

and

$\frac{2}{3}$ = $\frac{5}{y}$ ( cross- multiply )

2y = 15 ( divide both sides by 2 )

y = $\frac{15}{2}$

Thus

$\frac{x}{y}$ = $\frac{\frac{10}{3} }{\frac{15}{2} }$ = $\frac{10}{3}$ × $\frac{2}{15}$ ( cancel 10 and 15 by 5 )

$\frac{x}{y}$ = $\frac{2}{3}$ × $\frac{2}{3}$ = $\frac{4}{9}$

6 0

3 years ago

Kevin spent $28 on fruit at the grocery store. He spent a total of $80 at the store. What percentage of the total did he spend o

rosijanka [135]

Answer:

35%

Step-by-step explanation:

28/80×100%= 35% the rest was sixty-five percent

8 0

3 years ago

Read 2 more answers