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Rzqust [24]
4 years ago
8

A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is

20% salt and
Solution B is 80% salt. She wants to obtain 180 ounces of a mixture that is 30% salt. How many ounces of each solution should she use?
​

Mathematics
1 answer:
navik [9.2K]4 years ago
5 0
The answer is 150 oz of solution a and 30oz of solution b. I’m adding in the work please ask if you have any questions

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One log is 28 feet 7 inches long, and another is 39 feet 8 inches long. what is the sum of their length
frez [133]
1 foot is 12 inches

Convert everything to inches:
28 x 12 = 336 in.
39 x 12 = 468 in.

Add all the inches together:
336 + 468 + 7 + 8 = 819 in.

The answer is 819 inches.
3 0
3 years ago
The circumference of Dion's bicycle tire is 56.52 inches. What is the diameter of Dion's bicycle tire? (Use 3.14 for i.)​
Dafna1 [17]

Answer:

<h2>The answer is 18 inches</h2>

Step-by-step explanation:

Circumference of a circle = πd

where

d is the diameter of the circle

From the question

Circumference = 56.52 inches

π = 3.14

To find the diameter substitute the value of the circumstance into the above formula and solve for the diameter

That's

56.52 = πd

d =  \frac{56.52}{\pi}  \\ d =  \frac{56.52}{3.14}

We have the final answer as

<h3>d = 18 inches</h3>

Hope this helps you

8 0
4 years ago
The record low temperatures in Fargo in D is -35°F the recorded high is 114°F what is the difference in the high recorded temper
Ira Lisetskai [31]

Answer: 149°F

Step-by-step explanation:

Record for low temperature = -35°F

Record for high temperature = 114°F

The difference in the high recorded temperatures and and the low recorded temperatures will be:

= 114°F - (-35°F)

= 114°F + 35°F

= 149°F

4 0
3 years ago
What is the leading coefficient in this expression? 6x^2 + 3x +7
zzz [600]

In functions, the coefficient is the number that multiplies the variables, for example, for 5y, the coefficient is the number "5"

The "leading coefficient" refers to the number that multiplies the greater term of the expression (i.e. the term with the largest exponent), and if the terms are ordered from greatest to least, it corresponds to the coefficient of the first term.

So for the expression

6x^2+3x+7

The first and the term with the largest exponent is:

6x^2

Where "6" is the coefficient of the term and thus the "leading coefficient" of the expression.

7 0
1 year ago
The perimeter of a rectangular
cupoosta [38]

Answer:

5 ft

Step-by-step explanation:

Since we have a rectangle, we know for sure that perimeter = double the width and double the height. Algebraically, that looks like:

P = 2W + 2H

Let's sub in the given values, P and W:

18 = 2(4) + 2H

Now, let's solve for the height, H:

18 = 8 + 2H

10 = 2H

10/2 = H

<u>5 = H</u>

I hope this helps!

7 0
3 years ago
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