3 years ago

Need help :_: anyone can help me?

Mathematics

1 answer:

AlladinOne [14]3 years ago

3 0

4 2/3 = 14 feet. i hope this helps because i try and for the mixed number i don't know

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7 qt. of a 27% saline solution was mixed

mamaluj [8]

Answer:

24% saline

Step-by-step explanation:

Find how much saline is in both solutions:

7(0.27)

= 1.89

3(0.17)

= 0.51

Add this together:

1.89 + 0.51

= 2.4

Since there are 10 quarts in total, the concentration of the mixture can be found by dividing 2.4 by 10:

2.4/10

= 0.24

So, the concentration of the mixture is 24% saline

4 0

3 years ago

A clothing store is having a sale where all items are 60% off. What is the sale price of a $260 wool

Rudik [331]

Answer:

$104

Step-by-step explanation:

$260 - 60% = $104

7 0

2 years ago

Please i have 15 minutes

TEA [102]

Answer:

$x = \dfrac{-\log 7}{\log 7 - \log 2}$

Step-by-step explanation:

$2^x = 7^{x + 1}$

Take the log of both sides.

$\log 2^x = \log 7^{x + 1}$

Use properties of log.

$x \log 2 = (x + 1) \log 7$

$x \log 2 = x \log 7 + \log 7$

$x \log 2 - x \log 7 = \log 7$

$x(\log 2 - \log 7) = \log 7$

$x = \dfrac{\log 7}{\log 2 - \log 7}$

$x = \dfrac{\log 7}{-(\log 7 - \log 2)}$

$x = \dfrac{-\log 7}{\log 7 - \log 2}$

3 0

3 years ago

Ben is 12 years older than Ishaan. Ben and Ishaan first met two years ago. Three years ago, Ben was 4 times as old as Ishaan.

bixtya [17]

So, the 2 equations would be.... B -12 = I and (B - 3) = 4(I - 3) the second sentence is irrelevant.
B - 3 = 4 (I) - 12
B - 3 = 4B - 48 - 12
B - 4B = -60 + 3
-3B = -57
B (Ben) = 19
Ishaan is 7

Hope this helps!

5 0

3 years ago

Read 2 more answers

Eddie is cutting construction paper into rectangles for a project. He needs to cut one rectangle that is 16 inches x 13 1/4 inch

Alex787 [66]

Answer:

318 in^2

Step-by-step explanation:

Area of a rectangle = length x width

16 x 13 1/4

16 x 53/4 = 212 in^2

10 1/3 + 10 1/4

3 0

2 years ago