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Lynna [10]
2 years ago
9

2√135-2√60+√15-√240pls solve this surd​

Mathematics
2 answers:
Zepler [3.9K]2 years ago
5 0

Answer:

wrong❌❌

question

wrong❌❌

question

Arte-miy333 [17]2 years ago
5 0

Answer:

3√15. Explanation: Factor out 135 completely so you can take out any perfect squares. √135 =√3⋅3⋅3⋅5 =√32⋅ 3⋅

Step-by-step explanation:

Hope this helps :D

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A store is selling a mixture of apple granola and blueberry granola for $6.99 per pound. Blueberry granola costs $8.99 per pound
Alik [6]

Answer:the number of pounds of blueberry granola that she should put in the mixture is 10 pounds.

the number of pounds of apple granola that she should put in the mixture is 20 pounds

Step-by-step explanation:

Let x represent the number of pounds of blueberry granola that she should put in the mixture.

Let y represent the number of pounds of apple granola that she should put in the mixture.

She wants to make a 30 pounds mixture. This means that

x + y = 30

A store is selling a mixture of apple granola and blueberry granola for $6.99 per pound. This means that the cost of the 30 pound mixture would be

30 × 6.99 = $209.7

Blueberry granola costs $8.99 per pound and apple granola costs $5.99. This means that

8.99x + 5.99y = 209.7 - - - - - - - - - -1

Substituting x = 30 - y into equation 1, it becomes

8.99(30 - y) + 5.99y = 209.7

269.7 - 8.99y + 5.99y = 209.7

- 8.99y + 5.99y = 209.7 - 269.7

- 3y = - 60

y = - 60/ -3

y = 20

Substituting y = 20 into x = 30 - y, it becomes

x = 30 - 20 = 10 pounds

7 0
3 years ago
What is the meaning of proportional and non-proportional?​
frutty [35]

Answer:

Proportional: Non-Proportional: How to tell the difference: A proportional graph is a straight line that always goes through the origin. A non-proportional graph is a straight line that does not go through the origin.

Step-by-step explanation:

<h3>hope it helps</h3>
4 0
2 years ago
Plss help for a brainlist :)))
sveticcg [70]
Answer:

The slope is 24

Step-by-step explanation:

Use any two points in the graph to find the slope of the graph
- - - - - - - - - - - - - - - - - - - -
Step 1. Use two points

Ex: (10, 320) & (5, 200)

Step 2. Find the slope using the two points

m = slope

m = change in y/change in x

m = (y2 - y1)/(x2 - x1)

m = (200 - 320)/(5 - 10)

m = -120/-5

m = 120/5

m = 24

The slope of the graph/line is 24
5 0
2 years ago
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Nate has $50 to spend at the grocery store. he fills his shopping cart with items totaling $46. At checkout he will have to pay
Akimi4 [234]

Answer:

yes he can

Step-by-step explanation:

he has to pay total is :   46+46x6%=48.76$

so he can pay that

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Which equation represents a linear function with a slope of 12 and a y-intercept of -15?
LUCKY_DIMON [66]

Answer:

Answer is A, top left box.

Step-by-step explanation:

the slope is 1/2 and the slope is always to the right of m

5 0
2 years ago
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