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Jet001 [13]
4 years ago
15

A positive integer is 28 more than 3 times another. Their product is 580. Find the two integers

Mathematics
1 answer:
Degger [83]4 years ago
6 0

10 and 58

10*58=580

10*3+28=58

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Two bowls and one cup weigh 800 grams. One bowl and two cups weigh 700 grams. Find the weight of the bowl and the cup
antoniya [11.8K]

Answer:

\large \boxed{\textbf{Bowl = 300 g; cup = 200 g}}  

Step-by-step explanation:

 Let b  = the mass of a bowl  

and c = the mass of a cup  

We have two conditions:  

\begin{array}{lrcl}(1) &2b + c  & = & 800\\(2) & b + 2c & = & 700\\\end{array}

Calculations:  

\begin{array}{lrcll}(3) & 4b + 2c &=  & 1600&\text{ Multiplied (1) by 2}\\& 3b & = & 900&\text{Subtracted (2) from (3)}\\(4) & b & = & \mathbf{300}&\text{Divided each side by 3}\\ & 600 + c & = & 800&\text{Substituted (4) into (2}\\ & c & = & \mathbf{200}\\\end{array}\\\text{The mass of a bowl  is $\large \boxed{\textbf{300 g}}$ and that of a cup is $\large \boxed{\textbf{200 g}}$}

Check:

\begin{array}{rlcrl}2(300) + 200& =800 & & 300 + 2(200) & = 700\\600 + 200 & = 800& & 300 + 400 & = 700\\800 & = 800& & 700 & = 700\\\end{array}

OK.

6 0
3 years ago
What are the first two answers? #16 and #17
Luden [163]
Answer to number 16 is 27 and 17 is 2
5 0
4 years ago
Solve for v.<br> 5v- 13=22
aliina [53]

Answer:

5(7)-13=22

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
I need help..
frosja888 [35]

Answer:

The answer to your question is:      y = 8x

Step-by-step explanation:

As both lines are parallels, then the slope is the same.

From the line given, get the slope

m = 8

Point (0, 0)

                       (y - y1) = m(x - x1)

                       (y - 0) = 8(x - 0)

                        y = 8x

4 0
3 years ago
Ok this isnt a math question but i still need an answer y when i go on this website WHY wont it just give me the answer after i
vredina [299]
I'd help you but you'd probably sue me too.
Fun fact: You can't just sue people for petty reasons like this. You will end up having to pay court costs, costs to the party your suing for their time, and likely be in contempt of court which is punishable by anything from a warning to jail time. Try again asking nicely and maybe someone will help you.
4 0
3 years ago
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