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Aleks [24]
3 years ago
9

Mr. Haney has 11 coins in dimes and quarters. The value of his coins is $2.15. how many dimes does he have?

Mathematics
1 answer:
Anna11 [10]3 years ago
4 0

Answer:

4 dimes

Step-by-step explanation:

d+q=11  

10d+25q=215

15d=11(25)-215=60

d=60/15=4

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How come lemon washing up liquid contains real lemons, but lemon juice contains artificial flavorings.
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Answer:

Lemon juice is acidic and therefore is deemed unsafe to consume this can start to destroy the pancreas and other major arteries if not removed quickly

Step-by-step explanation:

3 0
3 years ago
Can someone help me with this problem? I dont really understand it.
Allushta [10]
OH I KNOW I KNOW TEACHER. its its wait im in middle school what the heck am i doing in here.
4 0
3 years ago
Solve for x in the diagram below
andre [41]

Answer:

x= 20

Step-by-step explanation:

The sum of the three angles is 90 degrees

x+2x+x+10 = 90

Combine like terms

4x+10 = 90

Subtract 10

4x+10-10 = 90-10

4x= 80

Divide by 4

4x/4=80/4

x = 20

3 0
3 years ago
What is the equation of a line that passes through point R(3,7) and has a slope of 6?
djyliett [7]
The answer in slope intercept form is y = 6x-11

If you want the answer in standard form, then it would be 6x-y =11

notes:
* Slope intercept form is y = mx+b
* Standard form is Ax+By = C
=====================================

Explanation:

The given slope is m = 6
The line goes through (x,y) = (3,7)

Plug those three values into the equation below. Isolate b
y = mx+b
7 = 6*3+b
7 = 18+b
7-18 = 18+b-18 ... subtract 18 from both sides
-11 = b
b = -11

So because m = 6 and b = -11, this means y = mx+b turns into y = 6x-11

The answer in slope intercept form is y = 6x-11

To convert to standard form Ax+By = C, we just have to get all the x and y terms together on the same side. I'm going to move the y term to the right side and move the 11 to the left side

y = 6x-11
y+11 = 6x-11+11
y+11 = 6x
y+11-y = 6x-y
11 = 6x-y
6x-y = 11

The answer in standard form is 
6x-y = 11
which is a different way to write the same line

4 0
3 years ago
Find the value of x in this figure.
AleksAgata [21]

Step-by-step explanation:

angle x is equal to 65

angles of triangle is equal to 180

3 0
3 years ago
Read 2 more answers
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