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gulaghasi [49]
3 years ago
5

4. Raj and Saleem can type 20 and 40 words,

Mathematics
1 answer:
kondaur [170]3 years ago
3 0

Answer:

Raj will take 10 minutes

explanation:-

Raj types 20 words per minute

Saleem types 40 words per minute

I. e speed and time are inversly proportional.

therefore, Raj will take twice the time Saleem takes.

Raj takes 2 * 5 = 10 minutes

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Algebra isn’t my best subject, please help
kogti [31]

The Distributive property states that when we have the statement a(b + c), we can "distribute" the a by multiplying a times both terms that are inside the parenthses.

So in this problem, 2(5 + 7) can be simplified by distributing the

2 through both terms that are inside the set of parenthses.

So we have (2 · 5) + (2 · 7).

8 0
3 years ago
A restaurant has 15 1/5 pounds of ground beef to make meat loaves. Each meat loaf requires 2 2/8 pounds of ground beef. How many
frosja888 [35]

Answer:

First make mixed

15 x 5 = 75+1=76

76/5

2x8=16+2=18

18/8

Divide

76/5 / 18/8

Use the reciprocal and multiply

76/5 x 8/18

76x8=608

5x18=90

608/90

Simplify

608/2=304

90/2=45

304/45

6 and 34/45 meat loaves

Hope this helps

Step-by-step explanation:

4 0
3 years ago
What is the value of 3 to the power 2 over 3 to the power 4? A. 1 over 81 B. 1 over 27 C. 1 over 9 D. 1 over 3
rodikova [14]
One way you could solve this is to just multiply the top and bottom out so that you get 9/81, reducing it by 9/9 to get 1/9 or option C.
Another way would be to do 3^{(2-4)} since dividing numbers with exponents would be subtracting the bottom exponent from the top exponent, provided that the base number (in this case 3) is the same for both. For this method, you would get 3^{-2}, which is equal to 1/9 or .1 repeating, the same answer that you'd get with the first method.
6 0
3 years ago
Read 2 more answers
Find the slope of the line through the given points.<br> (6, 1) and (7,-2)
saul85 [17]

Answer:

slope  -3

y-intercept  19

Step-by-step explanation:

5 0
3 years ago
a skateboard company is putting together boards and wheels to make skateboards. the company has a box of 36 boards. they need 4
vodka [1.7K]
If you multiply 36 by four since there are 4 wheels for skateboard
you will get 144.  That number is the total number of wheels you need to order and since they come in packs of 20 what you need to do is divide 144 by 20 and you will get 7.2.  So obviously you can't order 7.20 packs of wheels so this means that 8 packs of wheels must be bought in order to ensure that all of the skateboards get wheels on them.
The answer is 8.
4 0
3 years ago
Read 2 more answers
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