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AlexFokin [52]
2 years ago
8

Can someone help me plssss

Mathematics
2 answers:
lilavasa [31]2 years ago
8 0

Answer:

To get the answer you need to understand the differences between the two in order to use common sense to get the answer  

First you’ve got to calculate the inequality which is based on the weather

then look at the multiple choice questions and see which one represents the problem the best and that is… C.

laiz [17]2 years ago
7 0

Answer:

D. w ≥ 70

Step-by-step explanation:

The math symbol that you will use for at least is ≥

At least means " no less than " or " greater than or equal to "

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Simplify the following expression.
Katyanochek1 [597]
Where is the expression?
3 0
3 years ago
A student has an average of 78 on seven chapter tests. If the student's scores on six of the tests are 76, 74, 76, 80, 83, and 9
zhenek [66]

Answer:

The score is 66

Step-by-step explanation:

Say the unknown score is x

Average = Total score/no of occurrence

78 = (x + 76 + 74 + 76 + 80 + 83 + 91)/7

78 × 7 = x + 76 + 74 + 76 + 80 + 83 + 91

546 = x + 480

546 - 480 = x

66 = x

∴ x = 66

4 0
3 years ago
What is 12/28 equivalent from ratios
Jobisdone [24]
Thx from the website http://goodcalculators.com/ratio-calculator/

8 0
3 years ago
Over a 3.5 year period, 27.5 inches of snow fell in Jackson City. What was the average yearly snowfall in Jackson Cit
Ilya [14]
27.5 / 3.5 = 7.86; The average yearly snowfall was 7.86 inches.
7 0
3 years ago
A scientist mixes water (containing no salt) with a solution that contains 35% salt. She wants to obtain 105 ounces of a mixture
Naya [18.7K]

Answer:

60 oz of water to add

45 oz of 35% salt solution should be used

Step-by-step explanation:

Let x = amt no. ounces in the first solution

and  105 - x = amt no. of ounces in the second solution

Ist solution contains 0% salt

2nd solution contains .35(105 - x) salt

.15(105= amt of salt in mix

So.

amt of salt in 1st solution + amt of salt in 2nd solution = amt of salt in the mix

0 + .35(105 - x) = .15(105)

Let's get rid of the fractions by multipying thru the equation by 100

35(105 - x) = 15(105)

3675 - 35x = 1575

-35x = -2100

x = 60 oz of water to add

105 - 60 = 45 oz of 35% salt solution should be used

7 0
3 years ago
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